BrowserCut FAQ: Common questions in one place
This knowledge page collects answers about features, formats, privacy, technical setup and troubleshooting.
General
Quick answers about pricing, access and core BrowserCut workflows.
Is BrowserCut really free?
Yes. BrowserCut is free to use for core editing and conversion workflows.
Do I need an account to edit videos?
No account is required to start editing in BrowserCut.
Will BrowserCut add a watermark?
No forced BrowserCut watermark is added to standard exports.
Can I use BrowserCut for client or business projects?
Yes, BrowserCut workflows are suitable for creator, freelance and business use cases.
Formats
Questions about supported containers, conversion routes and export targets.
Which video formats are supported?
BrowserCut supports common formats such as MP4, MKV, MOV, AVI and WebM.
How do I optimize video for WhatsApp?
Use compression and resizing before export to meet WhatsApp file-size and playback constraints.
How do I convert MKV to MP4?
Open the MKV to MP4 converter route, add your file, pick quality settings and export.
Can I extract MP3 from a video file?
Yes. Use Video to Audio or MP4 to MP3 conversion to generate audio-only output.
Privacy
How BrowserCut handles media files, consent and GDPR-relevant behavior.
Do I need to upload my video to BrowserCut servers?
No. Core processing is local in your browser session.
Is BrowserCut GDPR-friendly?
BrowserCut uses local-first processing and consent-based analytics/marketing controls.
Can I use BrowserCut with necessary cookies only?
Yes. Core functionality works without optional marketing consent.
How is AdSense handled on BrowserCut?
Ad and analytics requests are gated by consent settings and restricted through policy controls.
Technical
Browser compatibility, processing engines and performance guidance.
Which browsers work best with BrowserCut?
Current Chromium browsers usually provide the best performance, with fallbacks for others.
Does BrowserCut work on mobile phones?
Yes. The UI is responsive and optimized for touch interactions on modern devices.
Does BrowserCut use WebCodecs or FFmpeg?
BrowserCut uses WebCodecs when available and FFmpeg.wasm fallback for wider format support.
How can I improve processing speed?
Close heavy tabs, use smaller output resolution when possible, and prefer modern browsers/devices.
Troubleshooting
Common problems and direct steps to fix import, export and playback issues.
Why does file import fail?
This is often caused by unsupported/corrupt input or limited browser memory.
Why is there no preview playback?
Some source codecs do not play natively, but conversion/export can still succeed through fallback processing.
What should I do when export gets stuck?
Reduce output settings, retry with a shorter segment and refresh the editor session.
How do I fix audio sync issues?
Use the audio-related workflows to reprocess tracks and export with stable timing settings.