Screen & WebCam Recorder
Record your screen, camera or both with a webcam bubble — encoded locally, saved as a file, never uploaded
What to record
This browser cannot record video (MediaRecorder unsupported). Try Chrome, Edge or Firefox.
Recording uses your browser's screen/camera capture APIs. Everything is captured, encoded and saved locally — the recording is never uploaded. Tab sharing (choose 'This Tab') keeps your other windows private.
Examples
Bug report
This tab · tab audio on · 20 secondsrecording-….mp4 — exact clicks and the error, nothing elseTab capture exposes only the tab; your other windows stay private.
About this tool
Three capture modes through the browser's own APIs: screen only (tab, window or display), webcam with microphone, or screen plus a composited webcam bubble drawn onto an in-memory canvas presenter-style.
Encoding is local MediaRecorder at ~5 Mbps — MP4 where the browser supports it, WebM otherwise — with no upload, no account and no time limit beyond memory. The browser's own 'Stop sharing' bar works as a stop button.
How to use
Pick a source
Screen, webcam, or screen + webcam bubble.
Grant permission
Choose 'This Tab' to keep other windows private; tab audio optional.
Record
Stop here or via the browser's sharing bar — both end cleanly.
Preview and save
Playback on the page, then download the MP4/WebM file.
Use cases
Issue trackers
Autoplaying clips that reproduce the bug without attachments.
Async updates
Webcam standup notes and demo walkthroughs without a meeting link.
Common mistakes
Mistake:Recording the entire screen for a single-tab bug
Fix:Choose 'This Tab' — same evidence, zero bystander content.
Mistake:Worrying about uploads
Fix:There is no server; the recording exists in your tab until you save it.
Frequently asked questions
Related guides
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Trimming Audio in the Browser: Waveforms, Selections and Lossless WAV
How client-side audio trimming works — decodeAudioData, peak computation, drag-to-select on canvas, and why WAV export loses nothing.
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