Best Free Screen Recorder
Record your screen, a window or a tab to a video — privately, in your browser.
100% free
No signup
No watermark
Files processed in memory, never stored
✨
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How it works
- Start recording. Click Start and choose the screen, window or tab to capture when the browser asks.
- Capture. Everything on the shared surface is recorded to a WebM video, locally in your browser.
- Stop and download. Click Stop to preview the clip, then download the .webm — nothing is uploaded.
About this tool
Record your screen, a single window or a browser tab to a video without installing anything. When you press start, your browser asks which surface to share, then captures it straight to a WebM file using the built-in MediaRecorder — no extension, no desktop app. Because the recording is assembled on your own device, the video is never uploaded to a server, so screen captures of private dashboards, chats or documents stay on your machine. In Advanced options you can mix in system/tab audio and your microphone for narration. When you stop, the clip appears in a player you can preview and download.
What people use it for
- Capture a quick how-to or bug repro
- Record a tab or app demo for a teammate
- Save a video walkthrough without installing software
- Narrate a screen recording with your mic
Frequently asked questions
No. The video is captured and assembled entirely in your browser using MediaRecorder, so it never leaves your device — there is no server in the loop.
Yes. In Advanced options you can include system/tab audio (when the browser offers it) and also record your microphone for narration; both are mixed into the same file.
A WebM video (VP9 or VP8 with Opus audio, depending on your browser). WebM plays in most modern players and can be converted to MP4 if you need it.
Recent desktop Chrome, Edge and Firefox support screen capture. If your browser cannot do it, the tool shows a message instead of failing silently.
Yes. When you start, the browser lets you choose the whole screen, a specific application window, or a single browser tab.
Yes — a client-side tool with no account, no watermark and no time limit beyond your device’s memory.
Yes. It runs in your browser, so Screen Recorder works on phones and tablets as well as desktop — there is no app to install.
Usually just a few seconds for a typical file — Screen Recorder starts working the moment you give it your input.
Files up to limited only by your device memory each, and casual use is unlimited under a generous fair-use cap.