FREE BROWSER-BASED TOOLS

Edit responsibly.
Respect creators' rights.

Remove or replace audio in videos you own or are authorized to edit, and prepare a practical copyright-risk checklist — directly in your browser.

Important: No tool can make someone else's copyrighted video copyright-free. This site does not bypass YouTube Content ID, DRM, or copyright claims, and cannot guarantee clearance. Only use media you own or have permission/licences to edit. Files are processed in your browser and are not intentionally uploaded to our server.

Choose a tool

🔇 1. Remove audio

Create a silent copy of an MP4 video you own.

Open tool

🎵 2. Replace audio

Replace the video's sound with music you are licensed to use.

Open tool

🔎 3. Copyright risk checker

Review file details and answer a rights checklist. Not a Content ID scan.

Open tool

📋 4. YouTube preparation report

Create a checklist report before publishing your video.

Open tool

1. Remove audio from MP4

Choose an MP4 file up to 100 MB. Processing happens on your device; keep this page open.

Ready. Select an MP4 you own or are authorized to edit.

2. Replace video audio

Choose an MP4 video and an MP3, WAV or M4A music file you have permission to use. Video limit 100 MB; audio limit 20 MB.

Ready. Only use music you own or are licensed to use.

3. Copyright risk checker

This checks basic file information and your answers. It cannot identify copyrighted songs or compare a video against YouTube's Content ID database.

No file selected.
Your checklist result will appear here.

4. YouTube preparation report

Answer the questions to create a downloadable personal checklist. This is guidance, not legal advice or a guarantee against claims.

Your report will appear here.

Browser video processing uses FFmpeg WebAssembly, which may download a large processing engine the first time. It may not work on every older phone or browser. Keep the browser open during processing. Avoid private or sensitive videos on shared devices.