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ENGINE MEDIARECORDERACCEPTS SCREEN TAB WINDOW

Screen Recorder

MEDIARECORDERTOOL 129 OF 190

Screen Recorder — Free Browser-Based Screen Capture

Record your screen, a window, or a tab — no extensions or downloads needed.

ENGINEMEDIARECORDER
ACCEPTSSCREEN TAB WINDOW
MAX SIZENONE
UPLOADNEVER
01Choose whether to include microphone audio, then click Start Recording.
02Pick the screen, window, or tab to capture in the browser prompt.
03Click Stop and save when you're done, then Download the recorded video.

About Screen Recorder

Record your screen directly from your browser using the native Screen Capture API — no browser extensions, desktop software, or sign-ups required. Choose to record your entire screen (great for full workflow demonstrations), a specific application window (ideal for focused tutorials), or a single browser tab (perfect for recording web app demos). Optionally include audio from your microphone for narration or voice-over, or capture system audio to record the sounds from your application. Preview the recording before saving to make sure it captured exactly what you need, then download as a WebM file. If you need MP4 format for broader compatibility, use the companion WebM to MP4 converter tool. Common use cases include creating software tutorials and how-to videos, recording bug reproduction steps for development teams, capturing online meeting highlights, making product demo videos, and documenting workflows for training materials. The recording uses your browser's built-in MediaRecorder API for efficient capture with minimal CPU overhead.

Questions

Do I need to install anything?

No. This tool uses the browser's built-in Screen Capture API (getDisplayMedia). It works in Chrome, Edge, Firefox, and other modern browsers without any extensions.

Can I record with audio?

Yes. You can include microphone audio for narration. System audio capture depends on your browser and OS — Chrome on Windows and macOS supports it when sharing a tab.

What format is the recording?

Recordings are saved as WebM (VP8/VP9 video with Opus audio), which is the native format for browser MediaRecorder. Use our WebM to MP4 tool if you need MP4.

Is there a recording time limit?

No built-in limit. Recording length is only constrained by your device's available memory and disk space. Very long recordings (30+ minutes) may use significant memory.

Is my file uploaded to a server?

No. Transmute processes everything locally in your browser using JavaScript and WebAssembly. Your files never leave your device — there is no server, no upload, no cloud processing.

Related

WebM to MP4Convert WebM screen recordings to universally compatible MP4 (H.264). Plays everywhere — iOS, social media, presentation software.WEBM → MP4Video TrimmerTrim video clips by setting start and end times. Lossless stream copy preserves the original codec — exports in the same format as input.MP4 → MP4Compress VideoCompress video files with one-click presets for WhatsApp, email, and web. Powered by WebCodecs and mp4-muxer for fast in-browser encoding.MP4 → MP4Video to GIFConvert video clips to animated GIFs with custom start/end time, frame rate, and width. Runs entirely in your browser — no upload, no sign-up.MP4 → GIF