No local file selected.
Enter a value and run the tool to see the result here.
Sharing, history and run details
Check support and limits
Review this tool’s permission, browser support, and network requirements before running it.
Only execution metadata (time, action, status, duration, and result size) from the last 30 days is stored in this browser, up to 20 runs. Inputs, result content, filenames, location, and device data are never saved.
Fullscreen API Tester guide
Enter fullscreen for the current web page, inspect the state, or exit fullscreen. Device data and generated files stay in the browser and are not uploaded to the server.
Key Points
- Category: Browser / Device APIs
- Execution: browser client
- Permissions are requested after a user action.
- Device data and results are not stored on the server or in recent history.
How to Use
- Review browser support and input options.
- Press an action button and grant only the required permission.
- Wait for the browser operation to complete.
- Review or download the local result.
Frequently Asked Questions
What does Fullscreen API Tester do?
Enter fullscreen for the current web page, inspect the state, or exit fullscreen.
Does Fullscreen API Tester store data on the server?
No. Device data and results are processed in the current browser and are not saved to recent history.
What should I check when Fullscreen API Tester does not work?
Check HTTPS, browser API support, site permission, and operating-system settings.
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Camera and Microphone Tester
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Camera Photo Capture
Capture a still photo from the browser camera and download it as JPEG. The image is created only in browser memory.
Browser Audio Recorder
Record microphone input in the browser and create a playable, downloadable WebM or MP4 audio file.
Screen Recorder
Record a user-selected screen, window, or browser tab and download it as WebM or MP4.