Generates a browser extension that captures browser tabs, full screens, or specific application windows with configurable resolution, frame rate. No signup or account required.
Runs on MediaRecorder
Content reviewed October 2026 · About Toolzum
Record your screen, application window, or browser tab with optional microphone audio. Choose HD, Full HD, or 2K quality. Download as WebM or MP4. No software installation needed.
Convert screen sizes between inches, cm, resolution, and aspect — compare displays honestly. Check a 27-inch 4K pixel density — free, local, no signup.
It can record browser tabs, full desktop screens, or specific application windows. You choose the source before recording starts and can configure resolution and frame rate.
Recordings are saved as WebM files using the VP8/VP9 codec, which is widely supported by video players and editors. The format offers good quality at reasonable file sizes.
Tab audio capture is supported in Chrome and Edge. System-wide audio recording depends on your operating system and browser permissions. Microphone input can be optionally included.
No. The extension records directly to a local file on your device using the MediaRecorder API. No video data is transmitted to any server.
Download the generated .zip file, extract it, then load it as an unpacked extension in Chrome via chrome://extensions with Developer mode enabled.