Formatters / Viewers
HTML Formatter
HTML Formatter turns compact or uneven markup into an indented tree, making parent-child relationships, attributes, and closing tags easier to inspect during reviews.
Category
10 tools
Formatters / Viewers
Formatters / Viewers
CSS Formatter
CSS Formatter expands compressed stylesheets into consistent rule blocks so selectors, declarations, media queries, and keyframes can be reviewed without horizontal scrolling.
Formatters / Viewers
JavaScript Formatter
JavaScript Formatter parses scripts and rebuilds their layout with readable indentation, line breaks, object literals, arrays, callbacks, and control-flow blocks.
Formatters / Viewers
JSON Formatter
Formats compact or uneven JSON into a readable hierarchy and reports parsing errors.
Formatters / Viewers
XML Formatter
Indents pasted XML for inspecting element nesting and attributes. Review mixed-content and whitespace-sensitive documents after formatting.
Formatters / Viewers
SQL Formatter
Rearranges pasted SQL with line breaks around common clauses for easier inspection. The formatting helper does not validate a SQL dialect or run queries.
Formatters / Viewers
YAML Formatter
Formats pasted YAML with consistent indentation and line breaks so mappings and sequences are easier to inspect in configuration files.
Formatters / Viewers
Markdown Previewer
Markdown Previewer renders headings, lists, links, emphasis, blockquotes, tables, and fenced code so source text can be compared with its browser presentation.
Formatters / Viewers
GraphQL Formatter
GraphQL Formatter gives queries, mutations, variables, directives, fragments, arguments, and nested field selections a consistent shape for code review.
Formatters / Viewers
SVG Viewer
SVG Viewer helps connect XML elements such as paths, groups, gradients, masks, and viewBox settings with the image they produce in the browser.
Category
10 tools
Minify / Normalize
Minify / Normalize
HTML Minifier
HTML Minifier removes dispensable formatting such as comments and inter-tag whitespace to produce smaller markup for delivery or embedded templates.
Minify / Normalize
CSS Minifier
CSS Minifier removes comments and unnecessary spacing around selectors, braces, declarations, and punctuation to shrink a stylesheet’s delivery form.
Minify / Normalize
JavaScript Minifier
JavaScript Minifier reduces parsed code by removing formatting and applying safe compression or identifier shortening supported by the minification engine.
Minify / Normalize
JSON Minifier
Re-serializes valid JSON without indentation or presentation whitespace.
Minify / Normalize
XML Minifier
XML Minifier reduces layout whitespace and removable comments around markup, which can make machine-generated feeds and configuration documents smaller.
Minify / Normalize
SQL Minifier
Collapses whitespace in pasted SQL into a compact statement. This text-based helper also changes whitespace inside literals, so review the result before use.
Minify / Normalize
Text Minifier
Text Minifier creates a compact text form by reducing repeated spaces and line breaks when the original visual layout is not part of the data.
Minify / Normalize
Normalize Line Endings
Normalizes pasted text line endings to LF so mixed Windows and Unix newlines become consistent for copying into code and data files.
Minify / Normalize
Pretty to Single Line
Collapses whitespace and line breaks in pasted text into one compact line. Whitespace inside quoted strings is not protected.
Minify / Normalize
Remove Comments from Code
Strips recognized code comment patterns from pasted text and returns the remaining source. Review strings and language-specific syntax afterward.
Category
13 tools
Validation / Testing / Parsers
Validation / Testing / Parsers
JSON Validator
Parses JSON syntax to report whether the document is valid and where an error may occur.
Validation / Testing / Parsers
XML Validator
Checks pasted XML for well-formed markup and reports parsing errors. It does not validate the document against an XSD or DTD schema.
Validation / Testing / Parsers
HTML Validator
Parses pasted HTML with the browser DOM parser and reports readability. Browser error recovery means this is not a standards conformance validator.
Validation / Testing / Parsers
YAML Validator
Parses pasted YAML and reports whether the parser accepts its syntax. It does not check application-specific configuration requirements.
Validation / Testing / Parsers
Regex Tester
Applies a JavaScript regular expression globally and lists each full match with its zero-based index.
Validation / Testing / Parsers
Java Regex Tester
Tests a pattern against sample text with the JavaScript RegExp engine, not a Java runtime, and returns full matches with zero-based positions.
Validation / Testing / Parsers
XPath Tester
Evaluates an XPath expression against pasted XML and returns the selected node values as JSON for inspecting document queries.
Validation / Testing / Parsers
JSONPath Tester
Runs a JSONPath expression against valid JSON and returns the selected values as a JSON array; use the root path to inspect the whole document.
Validation / Testing / Parsers
Cron Expression Generator Tester
Parses a cron expression and lists its next five scheduled dates. It previews a schedule and does not create or run background jobs.
Validation / Testing / Parsers
XML Well-Formed Checker
Checks XML tag structure with the XML parser and reports a well-formed result or syntax error; schema and business rules are not checked.
Validation / Testing / Parsers
Diff Checker
Compares two pasted text blocks and shows added and removed content so revisions can be inspected without changing either input.
Validation / Testing / Parsers
Text Diff Checker
Shows differences between a source text and a comparison text, with a readable change view for checking line edits and copied revisions.
Validation / Testing / Parsers
JSON Diff
Parses two JSON documents and compares differences in their structures and values.
Category
11 tools
Data Converters
Data Converters
JSON to XML
Maps JSON objects and arrays into an XML element hierarchy.
Data Converters
XML to JSON
XML to JSON converts elements, attributes, and repeated children into objects and arrays that are easier to use in JavaScript applications and JSON APIs.
Data Converters
JSON to YAML
Converts JSON data into readable YAML mappings and sequences.
Data Converters
YAML to JSON
YAML to JSON parses mappings, sequences, anchors, and scalar values before serializing the resolved data into widely supported JSON syntax.
Data Converters
CSV to JSON
Uses CSV headers and rows to create an array of JSON records.
Data Converters
CSV to XML
CSV to XML converts a header-based table into a document with one element per row and child elements derived from the column names.
Data Converters
CSV to HTML
CSV to HTML turns headers and rows into table markup that can be embedded in documentation, reports, admin screens, or email templates.
Data Converters
CSV to SQL
CSV to SQL maps column headers to fields and emits insert statements, providing a starting point for importing tabular data into a relational table.
Data Converters
TSV to CSV
TSV to CSV reads tab-separated cells and writes comma-separated records with quoting where values contain commas, quotes, or line breaks.
Data Converters
HTML Table to CSV
HTML Table to CSV reads table headers and cells from markup and serializes their text into a portable delimited file for spreadsheet or data-processing workflows.
Data Converters
TypeScript Interface Transformer
Infers TypeScript interfaces from a valid JSON sample and an optional root type name. It does not convert existing TypeScript declarations or validate a schema.
Category
13 tools
Encoding / Decoding / Escape
Encoding / Decoding / Escape
Base64 Encode Decode
Encodes UTF-8 text as Base64 or decodes Base64 back to text, making encoded string payloads readable without claiming arbitrary binary-file conversion.
Encoding / Decoding / Escape
URL Encode Decode
Percent-encodes URL component text or decodes it back to characters.
Encoding / Decoding / Escape
HTML Escape Unescape
Escapes markup-sensitive characters in text as HTML entities or decodes supported entities back into text for inspecting embedded content.
Encoding / Decoding / Escape
XML Escape Unescape
Converts markup-sensitive text characters to XML entities or reverses supported entity escapes for use in XML element content.
Encoding / Decoding / Escape
JSON Escape Unescape
Escapes text for a JSON string or decodes JSON string escapes back to characters. The result is string content rather than a complete object.
Encoding / Decoding / Escape
JavaScript Escape Unescape
Escapes or decodes text using JSON-style string escape rules for JavaScript string content; it does not execute pasted source code.
Encoding / Decoding / Escape
SQL Escape Helper
Wraps text in single quotes and doubles embedded single quotes for a SQL string literal. It is not a substitute for parameterized queries.
Encoding / Decoding / Escape
Unicode Converter
Converts Unicode code points, recovers Korean keyboard input, changes supported character widths and scripts, or inspects invisible characters.
Encoding / Decoding / Escape
ASCII Text Converter
Converts text characters to decimal character codes or decodes a sequence of decimal codes into text for examining numeric character representations.
Encoding / Decoding / Escape
Hex Text Converter
Encodes text as hexadecimal or decodes hexadecimal into text, making the byte representation available for copying and inspection.
Encoding / Decoding / Escape
Hex Dump Viewer
Encodes pasted text as UTF-8 and displays byte offsets, hexadecimal bytes and printable ASCII characters. Hexadecimal input is treated as literal text.
Encoding / Decoding / Escape
Gzip Compress Decompress
Compresses UTF-8 text to Base64-encoded Gzip bytes or decompresses a Base64 Gzip payload back to text using browser compression streams.
Encoding / Decoding / Escape
Brotli Compress Decompress
Compresses text into a Base64 Brotli payload or decompresses encoded Brotli back to text when the browser provides Brotli stream support.
Category
11 tools
Hash / Token / Security Helpers
Hash / Token / Security Helpers
MD5 Generator
Computes the MD5 digest of pasted text and returns hexadecimal output for legacy comparisons. MD5 is not suitable for secure password storage.
Hash / Token / Security Helpers
SHA-1 Generator
Computes a SHA-1 digest from text using browser cryptography and returns hexadecimal output. SHA-1 should not be used for collision-resistant security.
Hash / Token / Security Helpers
SHA-256 Generator
Hashes pasted text with SHA-256 in the browser and returns its hexadecimal digest for comparing content fingerprints.
Hash / Token / Security Helpers
SHA-512 Generator
Hashes pasted text with SHA-512 and returns the hexadecimal digest, allowing a text fingerprint to be copied or compared.
Hash / Token / Security Helpers
HMAC Generator
Computes an HMAC-SHA-256 authentication code from text and a shared secret. Supply your own secret rather than relying on the example default.
Hash / Token / Security Helpers
CRC Checksum Generator
Calculates the CRC32 checksum of pasted text and returns its numeric value for accidental-change checks; CRC is not a cryptographic hash.
Hash / Token / Security Helpers
Password Hash Generator
Derives a PBKDF2 hash from a password and supplied salt. The example salt is fixed, so this is a helper rather than a password-storage system.
Hash / Token / Security Helpers
JWT Decoder
Decodes JWT header and payload JSON and shows the signature segment. Decoding alone does not verify the signature or trust the token claims.
Hash / Token / Security Helpers
JWT Encoder Signer
Signs a JSON payload as an HS256 JWT using a supplied secret, or decodes an existing token. Replace the example secret before using any result.
Hash / Token / Security Helpers
QR Code Generator
Generates a QR code image in the browser from text or a URL.
Hash / Token / Security Helpers
JWT Inspector Upgrade
Decodes JWT header and payload, reports signature presence and interprets exp, nbf and iat claims. It does not verify the signature or authenticate a user.
Category
10 tools
String / Text Editing
String / Text Editing
Find and Replace
Replaces every literal occurrence of a search string in pasted text with the replacement value. The search is case-sensitive and is not a regex.
String / Text Editing
Trim Leading Trailing Spaces
Trims whitespace from the start and end of each pasted line, preserving the line structure while cleaning indented or padded records.
String / Text Editing
Remove All Whitespace
Removes all whitespace characters from pasted text, including spaces, tabs and line breaks, and returns the joined characters.
String / Text Editing
Collapse Multiple Spaces
Replaces runs of multiple spaces or tabs with one space in pasted text while leaving line breaks available for separate records.
String / Text Editing
Join Lines
Joins nonempty lines of pasted text with a chosen separator, producing a single combined string for lists and delimited values.
String / Text Editing
Split Lines
Splits pasted text at a chosen literal separator and places each resulting part on its own line for further list editing.
String / Text Editing
Sort Lines
Sorts pasted lines in ascending or descending text order and returns the reordered list. This is text sorting rather than numeric sorting.
String / Text Editing
Unique Lines
Removes repeated exact lines from pasted text and keeps the first occurrence of each line, preserving the original encounter order.
String / Text Editing
Add Prefix Suffix to Each Line
Adds the chosen prefix and suffix to every pasted line, producing wrapped or labeled records without editing each line separately.
String / Text Editing
Reverse Text
Reverses the Unicode code-point order of pasted text. Combined emoji and combining-character sequences may not stay visually intact.
Category
10 tools
Text Analysis / List Processing
Text Analysis / List Processing
Word Count
Counts non-empty word tokens separated by whitespace or common punctuation.
Text Analysis / List Processing
Character Count
Counts text using selectable character and byte rules, including weighted counts and limit checks for forms with different length requirements.
Text Analysis / List Processing
Line Count
Counts lines in pasted text and reports the total so multiline lists and records can be checked before another transformation.
Text Analysis / List Processing
Word Frequency
Counts case-insensitive word tokens in pasted text and returns the fifty most frequent tokens and their counts as JSON.
Text Analysis / List Processing
Duplicate Line Finder
Finds exact repeated lines in pasted text and lists each duplicate with its occurrence count, leaving the original input untouched.
Text Analysis / List Processing
Empty Line Remover
Removes empty and whitespace-only lines from pasted text while preserving the content and order of the remaining lines.
Text Analysis / List Processing
Numbered Lines
Prefixes each pasted line with a one-based number and period, creating an ordered text list while retaining every line.
Text Analysis / List Processing
Pad Align Text Columns
Splits lines on whitespace, pads cells to column widths and joins them with vertical bars to create a plain-text aligned table.
Text Analysis / List Processing
Extract Substring Range
Extracts a slice of pasted text between a zero-based start and optional end position; JavaScript UTF-16 indexing determines the boundaries.
Text Analysis / List Processing
Case Converter
Converts pasted text to the selected letter-case style, producing a reusable name or phrase in forms such as title, upper or lower case.
Category
10 tools
Numbers / Math / Date / Time
Numbers / Math / Date / Time
Number Base Converter
Parses an integer using the selected source base and prints it in the target base. JavaScript number precision limits large integer conversions.
Numbers / Math / Date / Time
Binary Converter
Converts an entered numeric value to its binary representation with JavaScript number conversion; large integers may lose precision.
Numbers / Math / Date / Time
Hex Converter
Converts an entered numeric value to uppercase hexadecimal using JavaScript numbers; values beyond safe integer precision need extra care.
Numbers / Math / Date / Time
Roman Numeral Converter
Converts decimal integer text to Roman numerals or interprets Roman numeral text as a number for comparing the two representations.
Numbers / Math / Date / Time
Percentage Calculator
Multiplies an entered base value by a chosen percentage and divides by one hundred, returning the corresponding amount.
Numbers / Math / Date / Time
Area Calculator
Converts an area value between square metres, square feet and pyeong using fixed conversion factors; it does not calculate a shape from dimensions.
Numbers / Math / Date / Time
Radians Degrees Converter
Converts a numeric angle from radians to degrees or degrees to radians using pi, returning the converted angle as text.
Numbers / Math / Date / Time
Epoch Timestamp Date
Converts Unix epoch seconds to a UTC ISO date-time, or parses a date-time into epoch seconds.
Numbers / Math / Date / Time
Date Difference Calculator
Reads two date values on separate lines and returns their absolute difference rounded to whole days using JavaScript date parsing.
Numbers / Math / Date / Time
Average Min Max Calculator
Parses a comma- or whitespace-separated number list and returns its average, minimum and maximum as JSON.
Category
10 tools
Random / Dummy Data Generators
Random / Dummy Data Generators
Random String Generator
Generates a string of the requested length from a supplied alphabet or the default letters and digits for sample identifiers and text fixtures.
Random / Dummy Data Generators
Random Password Generator
Creates a password string of the requested length from the built-in letters, digits and symbols. Review it against your service password rules.
Random / Dummy Data Generators
UUID GUID Generator
Uses browser randomness to generate UUID values in standard form.
Random / Dummy Data Generators
Lorem Ipsum Generator
Builds placeholder prose from a small Latin word pool using the requested word count, returning text for testing layouts.
Random / Dummy Data Generators
Random JSON Generator
Creates a JSON array of sample records with sequential id and name fields plus randomized active flags; it does not infer a custom schema.
Random / Dummy Data Generators
Random XML Generator
Creates XML sample items with sequential identifiers and names using the requested row count, providing a simple fixed-shape test document.
Random / Dummy Data Generators
Random CSV Generator
Generates CSV sample rows with id, name and randomized status columns using the requested count; the output schema is fixed.
Random / Dummy Data Generators
Random IP Address Generator
Generates a dotted IPv4-shaped sample with four random octets. The address is not checked for reachability or public allocation.
Random / Dummy Data Generators
Random Color Generator
Generates random red, green and blue channel values and returns matching RGB and hexadecimal representations as JSON.
Random / Dummy Data Generators
Fake Profile Name Generator
Builds a fictional name, example.com email and city from small built-in lists, returning a JSON profile for sample data.
Category
10 tools
CSV / Table Tools
CSV / Table Tools
CSV Viewer
Parses CSV into a browser table for reviewing columns and rows.
CSV / Table Tools
CSV Column Extractor
Selects CSV columns by their header names and writes the requested columns in that order. Use existing headers to keep output rows aligned.
CSV / Table Tools
CSV Row Filter
Filters a header-based CSV using a field=value condition and returns matching rows with the header. Matching is exact text equality.
CSV / Table Tools
CSV Sort
Sorts CSV data rows by a chosen column in ascending or descending text order and writes the header with the sorted rows. Sorting is not numeric.
CSV / Table Tools
CSV Transpose
Swaps CSV rows and columns and returns the transposed table, using the first row to determine the output column positions.
CSV / Table Tools
CSV Delimiter Converter
Parses CSV rows and writes them with the selected output delimiter, retaining quoted values when separator characters require escaping.
CSV / Table Tools
CSV Cleanup
Trims leading and trailing whitespace inside each CSV cell and writes the cleaned table, preserving the existing row and column order.
CSV / Table Tools
CSV Merge
Appends the data rows from a second pasted CSV block below the first CSV header.
CSV / Table Tools
CSV Split
Divides CSV data rows into fixed-size chunks with a repeated header and returns the chunks separated by text markers, rather than separate files.
CSV / Table Tools
CSV to Multiline Text
Extracts the selected CSV column by header name and joins its values with newlines to create a plain-text list.
Category
10 tools
URL / Network / IP / DNS
URL / Network / IP / DNS
URL Parser
Parses a URL and returns its protocol, host, pathname, query string and fragment as JSON so the components can be inspected separately.
URL / Network / IP / DNS
Query String Parser
Parses a URL and returns its query parameters as a JSON object. Repeated parameter names resolve to the final value in the object.
URL / Network / IP / DNS
Domain Extractor
Parses a URL and returns its hostname without the scheme, path or query so domain values can be separated from complete links.
URL / Network / IP / DNS
What Is My IP
Requests the client IP reported by the site server and displays it. This lookup uses a server endpoint rather than purely local browser processing.
URL / Network / IP / DNS
IPv4 Validator
Checks an entered IPv4 address with the IP validation helper and reports whether its textual address format is accepted.
URL / Network / IP / DNS
IPv6 Validator
Checks whether input contains hexadecimal characters and colons as an IPv6-shaped string. This basic check does not fully validate IPv6 address grammar.
URL / Network / IP / DNS
CIDR Subnet Calculator
Computes the network address, broadcast address and conventional host count for an IPv4 CIDR input. The helper does not validate the address or prefix.
URL / Network / IP / DNS
DNS Lookup
Looks up domain address records through the site server when DNS tools are enabled. DNS lookup is disabled in the default hosting configuration.
URL / Network / IP / DNS
MX NS Lookup
Requests mail-exchanger and name-server records through the site DNS endpoint. This server lookup is disabled in the default hosting configuration.
URL / Network / IP / DNS
Open Port Checker
Port checking is disabled on shared hosting. Entering a host or port returns an unavailable message rather than a connection test result.
Category
10 tools
Image Conversion / Basic Editing
Image Conversion / Basic Editing
Image Cropper
Crops a drag- or touch-selected area into a new image file.
Image Conversion / Basic Editing
Image Resizer
Changes image pixel dimensions and exports a new image file.
Image Conversion / Basic Editing
Image Rotator
Rotates a browser-decodable image by the selected angle and exports the rotated pixels in a new image file.
Image Conversion / Basic Editing
Image Flipper
Mirrors an uploaded image horizontally or vertically and exports a new file for correcting the direction of a picture.
Image Conversion / Basic Editing
JPG to PNG
Decodes a JPEG in the browser and re-encodes it as PNG.
Image Conversion / Basic Editing
PNG to JPG
Converts a PNG image to lossy JPEG at the entered quality and removes the alpha channel.
Image Conversion / Basic Editing
WebP Converter
Converts a browser-decodable image to a WebP file at the entered quality.
Image Conversion / Basic Editing
GIF Converter
Re-encodes a browser-decodable image as a palette-based GIF with selected width and color count. The image conversion produces a single frame.
Image Conversion / Basic Editing
Image to Base64
Reads an uploaded image in the browser and returns a data URL containing Base64 bytes for embedding the image in text-based content.
Image Conversion / Basic Editing
Background Remover
Removes pixels matching a sampled or selected background color and exports a transparent PNG. This color-based tool does not segment subjects with AI.
Category
10 tools
Image Adjustments / Effects
Image Adjustments / Effects
Brightness Adjust
Changes the brightness of a browser-decoded image and exports the adjusted pixels as a new file for comparison with the original.
Image Adjustments / Effects
Contrast Adjust
Adjusts the contrast of an uploaded image and exports a new file, changing the separation between light and dark tones.
Image Adjustments / Effects
Grayscale
Converts an uploaded image to grayscale and exports the result, removing color while retaining a monochrome view of its pixels.
Image Adjustments / Effects
Sepia
Applies a sepia color effect to a browser-decoded image and exports the warm-toned result as a new image file.
Image Adjustments / Effects
Saturation Adjust
Changes the color saturation of an uploaded image and exports the adjusted result, making colors more muted or more intense.
Image Adjustments / Effects
Exposure Adjust
Scales image channel values using the selected exposure adjustment and exports a new file. Clipped highlight detail cannot be recovered.
Image Adjustments / Effects
Gamma Adjust
Applies a gamma curve to image channel values and exports the adjusted pixels, changing midtones without editing the source file.
Image Adjustments / Effects
Blur Pixelate
Blurs or pixelates an uploaded image using the chosen mode and strength, then exports the altered image for visual obscuring.
Image Adjustments / Effects
Sharpen
Applies a sharpening filter to a browser-decoded image and exports the result. It enhances edges without recovering missing source detail.
Image Adjustments / Effects
Noise Add Remove
Adds random image noise or applies smoothing in the selected mode and exports the result; smoothing may reduce fine detail.
Category
10 tools
Color / Design / CSS Generators
Color / Design / CSS Generators
Color Picker
Parses a supported color value and returns its hexadecimal, RGB, HSL and HSV representations as JSON for using consistent color values.
Color / Design / CSS Generators
HEX RGB Converter
Parses a supported hexadecimal or RGB color value and returns matching hex and RGB values as JSON for stylesheet editing.
Color / Design / CSS Generators
RGB HSL HSV Converter
Parses a supported color value and returns its RGB, HSL and HSV equivalents as JSON for comparing color models.
Color / Design / CSS Generators
Palette Generator
Builds a palette from a base color by shifting its hue in fixed steps and returns the generated hexadecimal colors as JSON.
Color / Design / CSS Generators
Gradient Generator
Creates a CSS linear-gradient expression from two color values and an angle, returning text to paste into a stylesheet.
Color / Design / CSS Generators
Image Color Extractor
Extracts supported color values from pasted text and displays swatches with JSON output. It does not sample pixels from an uploaded image.
Color / Design / CSS Generators
CSS Box Shadow Generator
Builds a CSS box-shadow declaration from a color and numeric offsets, blur and spread values, ready to paste into a style rule.
Color / Design / CSS Generators
Border Radius Generator
Turns space-separated corner-radius numbers into a CSS border-radius declaration with pixel units for rounding element corners.
Color / Design / CSS Generators
CSS Clip-Path Generator
Wraps a pasted clipping shape in a CSS clip-path declaration. It does not draw the shape or validate browser support for the value.
Color / Design / CSS Generators
Font Pairing Helper
Returns two preset font pairings for an editorial, dashboard, product or modern style keyword. It does not inspect uploaded fonts.
Category
20 tools
PDF / Document Tools
PDF / Document Tools
Merge PDF
Combines pages from multiple PDF files into one document in the selected order.
PDF / Document Tools
Split PDF
Splits every page of one PDF into a separate one-page PDF and bundles the files in a ZIP archive.
PDF / Document Tools
Compress PDF
Rebuilds a PDF with object streams enabled and reports the resulting size; a reduction is not guaranteed.
PDF / Document Tools
Rotate PDF
Rotates selected PDF pages in 90-degree increments and saves a new file.
PDF / Document Tools
Page Numbers PDF
Adds page-number text to selected PDF pages and saves a new PDF, making printed or shared documents easier to reference.
PDF / Document Tools
Watermark PDF
Places a chosen text watermark on PDF pages.
PDF / Document Tools
Edit PDF Text Lite
Places a white-backed text overlay on selected PDF pages and saves a copy. It does not rewrite or securely redact the underlying text.
PDF / Document Tools
Highlight PDF
Finds a word or phrase in the text layer of selected PDF pages and adds highlight rectangles, saving a copy for review. Scanned text needs OCR first.
PDF / Document Tools
PDF Compare
Compares two PDFs using fingerprints, page counts and extracted text differences. It does not provide a pixel-by-pixel visual comparison.
PDF / Document Tools
Delete PDF Pages
Removes the selected page numbers from an uploaded PDF and exports a new document containing the remaining pages.
PDF / Document Tools
Extract PDF Pages
Copies selected pages from a PDF into a new document, preserving the source file and letting you export only the needed pages.
PDF / Document Tools
Organize Reorder PDF Pages
Reorders PDF pages using a supplied page-number sequence and saves the arranged document as a new PDF.
PDF / Document Tools
Convert Office Image to PDF
Combines supported image files into PDF pages. Office documents are not converted by this image-only engine despite the tool name.
PDF / Document Tools
Convert PDF to Image Text
Exports selected PDF pages as rendered images, extracts their text layer, or runs OCR for text output; recognition depends on document quality.
PDF / Document Tools
Protect Unlock Sign PDF
Adds a protection cover or visible signature, or rebuilds an openable PDF copy. It does not provide encryption, password cracking or digital signatures.
PDF / Document Tools
OCR PDF Landing Plan
Builds an OCR workflow checklist from your document context, goal and priorities. This planning tool does not run OCR on PDF files.
PDF / Document Tools
PDF Visual Organizer Workspace
Reorders, deletes, extracts or rotates pages of an uploaded PDF using the selected action and page settings, then saves a new document.
PDF / Document Tools
Student Submission Fast Bundle
Combines uploaded images into a PDF with page labels and the selected layout preset for preparing a student submission.
PDF / Document Tools
Study Materials Workflow Wizard
Merges uploaded PDFs and applies a selected page-order, deletion, extraction or labeling recipe, then exports a combined study document.
PDF / Document Tools
Comment PDF Lite
Places a visible text comment on selected PDF pages and saves a new PDF. The comment is page content rather than a threaded review conversation.
Category
10 tools
Video / Audio Tools
Video / Audio Tools
Mute Video
Records a browser-playable video without audio and exports the muted result. Available output formats depend on browser recording support.
Video / Audio Tools
Trim Video
Records a selected time range from a browser-playable video and exports the clip. Encoding and output format depend on the browser.
Video / Audio Tools
Compress Video
Re-records a video with a selected width and bitrate preset and exports the result; a smaller file size is not guaranteed.
Video / Audio Tools
Video to GIF
Samples frames from a selected video time range and encodes an animated GIF. Larger dimensions and longer clips increase browser memory use.
Video / Audio Tools
MP4 to MP3
Decodes audio from a supported video, selects the requested time range and encodes an MP3 file at the chosen bitrate.
Video / Audio Tools
Extract Audio from Video
Extracts a selected audio range from a browser-decodable video and exports WAV audio, without keeping the video track.
Video / Audio Tools
Change Video Speed
Re-records a browser-playable video at the selected playback speed and exports a new clip; browser media support determines the result format.
Video / Audio Tools
Resize Video
Re-records video frames at the selected width and height and exports the resized clip using an available browser recording format.
Video / Audio Tools
Rotate Video
Re-records a video with its frames rotated by the selected angle and exports a new clip; supported encoding depends on the browser.
Video / Audio Tools
Thumbnail Extractor
Builds a thumbnail image URL from a supported YouTube or Vimeo link. It does not extract a frame from an uploaded local video.
Category
10 tools
AI Writing / Document Assistants
AI Writing / Document Assistants
Content Improver
Reworks pasted text using local keyword and sentence templates, or extracts a short summary. It does not call a generative language model.
AI Writing / Document Assistants
Essay Writer
Creates a structured essay draft from topic keywords using local sentence templates and a chosen length; factual claims need your review.
AI Writing / Document Assistants
Paragraph Writer
Builds a paragraph from a topic and selected tone using local keyword templates. The draft is not generated by a language model.
AI Writing / Document Assistants
Paragraph Completer
Appends a template-based continuation to pasted paragraph text using its keywords. Review the added sentences for relevance and accuracy.
AI Writing / Document Assistants
AI Image Generator
Creates a local rule-based SVG poster, cover or abstract layout from prompt keywords. It does not generate a new bitmap with an AI model.
AI Writing / Document Assistants
Text to Handwriting
Renders pasted text into a ruled-paper SVG using cursive font fallbacks, with up to fourteen lines; it does not reproduce a person's handwriting.
AI Writing / Document Assistants
Chat with PDF
Ranks pasted document sentences against a question and returns relevant lines. It uses keyword matching rather than conversational AI.
AI Writing / Document Assistants
PDF Summarizer
Extracts a short selection of sentences and key terms from pasted document text using local rules; it does not infer a document's meaning.
AI Writing / Document Assistants
Translate PDF
Extracts PDF text and applies a small local English-Korean dictionary, exporting text. It is not full machine translation or layout-preserving PDF translation.
AI Writing / Document Assistants
AI Question Generator from Document
Builds study questions and sentence hints from pasted document keywords using local templates, without calling a generative AI service.
Category
10 tools
Web / Social / Publishing Helpers
Web / Social / Publishing Helpers
Meta Tag Generator
Converts structured title and description fields into HTML metadata tags for copying into a page head; it does not publish or audit the page.
Web / Social / Publishing Helpers
Open Graph Generator
Builds Open Graph metadata tags from pasted structured fields so page previews can be configured for link sharing.
Web / Social / Publishing Helpers
Twitter X Card Generator
Builds Twitter/X card metadata tags from pasted structured fields for use in a page head; platform preview behavior is not guaranteed.
Web / Social / Publishing Helpers
URL Slug Generator
Normalizes pasted text into a URL slug for a page path or identifier, returning the resulting string without creating or checking a live URL.
Web / Social / Publishing Helpers
Favicon Generator
Creates an SVG favicon from short text or initials and returns the image and SVG source. It does not generate an ICO icon bundle.
Web / Social / Publishing Helpers
YouTube Thumbnail Grabber
Reads a YouTube video identifier from a link and displays its standard thumbnail URL; viewing the image contacts YouTube's image host.
Web / Social / Publishing Helpers
Vimeo Thumbnail Grabber
Builds a Vimeo thumbnail URL through the external vumbnail service from a numeric video link; availability depends on that service.
Web / Social / Publishing Helpers
HTML iframe Generator
Creates iframe markup from a URL and width and height values. The target site may block embedding through its own browser security policy.
Web / Social / Publishing Helpers
HTML Table Generator
Converts pasted CSV rows into an HTML table and preview, returning markup that can be copied into a page or document.
Web / Social / Publishing Helpers
Barcode Generator
Encodes entered text as a Code 128 barcode SVG with a readable label. Check the exported image with your intended scanner before use.
Search Answer
All Tools Guide
Explore every category and tool in one place. Search and category navigation make it easy to find the right tool quickly.
Key Points
- Total categories: 21
- Total tool pages: 342
- Total executable features: 461
- Highlighted tools: HTML Formatter, CSS Formatter, JavaScript Formatter, JSON Formatter
Search Answer
Frequently Asked Questions
What can I do on this page?
You can search, compare, and jump straight into the detail page for each tool.
Can I find tools quickly even with many items?
Yes. The catalog combines live search with category grouping to shorten the path to the right tool.
Category
14 tools
Browser / Device APIs
Browser / Device APIs
Browser Capability Checker
Lists detected browser API availability and a support count. API presence alone does not prove permission, device availability or successful operation.
Browser / Device APIs
Geolocation Inspector
Requests device location and displays coordinates, accuracy and available sensor fields. A secure context, browser support and permission are required.
Browser / Device APIs
Camera and Microphone Tester
Lists media devices or briefly opens selected camera and microphone tracks to inspect settings. Device labels and tests depend on browser permission.
Browser / Device APIs
Camera Photo Capture
Requests a camera, captures a still image and prepares a JPEG result. Camera access requires browser support, a secure context and permission.
Browser / Device APIs
Browser Audio Recorder
Records microphone input until you stop and prepares an audio download. Permission and the browser's supported recording formats determine availability.
Browser / Device APIs
Screen Recorder
Records a user-selected screen or window until stopped and prepares a video download. Browser support and screen-sharing permission are required.
Browser / Device APIs
Device Orientation Tester
Reads a device orientation event and displays its alpha, beta and gamma angles; compatible sensors, browser support and possible permission are required.
Browser / Device APIs
Screen Wake Lock
Requests or releases a screen wake lock and reports its state. The browser may release it when the page becomes hidden or system conditions change.
Browser / Device APIs
Web Share Tester
Opens the browser share sheet with entered text or a URL, with a copy fallback when unavailable. Sharing requires compatible browser support.
Browser / Device APIs
Clipboard Read / Write
Reads or writes clipboard text, or lists clipboard MIME types. Secure-context support and browser access restrictions govern each action.
Browser / Device APIs
Local Text File Editor
Opens a selected text file for editing and saves through a supported file handle or prepares a download; direct file saving depends on the browser.
Browser / Device APIs
Browser Notification Tester
Requests notification permission, reports its state or shows a short test notification. Browser and operating-system support may restrict delivery.
Browser / Device APIs
Vibration Pattern Tester
Requests a vibration pattern from comma-separated durations or stops vibration. It only works where the browser and device expose the Vibration API.
Browser / Device APIs
Fullscreen API Tester
Requests or exits fullscreen for this page and reports the current state. The browser requires supported fullscreen APIs and may require a user gesture.
SERVER
Open server inspectionServer inspection tools
Ten workbenches provide 129 checks for public HTTP, DNS, mail, TLS, RDAP and HTML metadata.