Private by design
Repair runs in-browser with WebAssembly, so sensitive footage stays on your device from upload to preview.
Online Video Repair Tool
Repair corrupted videos
online
Fix MP4, MOV, AVI, M4V, and 3GP files that will not play after interrupted recording, transfer errors, or storage damage. Run repair in your browser, preview the result, and keep files local.
Local onlyPreview before saveReference-readyMP4 / MOV / AVI
Live workspaceLocal processing
Drop in. Repair out.
Upload, repair, preview, and export without leaving the homepage.
1
Pick
Damaged clip
2
Fix
Live repair
3
Save
Preview + export
Formats
MP4, MOV, AVI+
Privacy
No upload
Reference
Optional
Drag video here, or click to select file
Supports .mp4, .mov, .m4v, .m4a, .3gp, .avi formats. Max 4GB
Repair Engine Loading
Uploader unlocks as soon as the engine is ready.
Product Fit
Built for practical recovery
The homepage handles the common cases: local repair, fast preview, and the formats people actually bring in.
Formats
MP4, MOV, AVI
MP4, MOV, AVI, M4V, M4A, 3GP, 3G2
Sources
Real-world footage
iPhone, GoPro, dashcam, screen capture
Privacy
No upload
Repair stays on-device in the browser
Limit
Up to 4GB
Built for large local recovery
Why it feels product-first
Local-first workflow
Open, repair, preview, and export without sending footage away.
Structure-aware repair
Rebuilds playback metadata instead of forcing a blind conversion step.
Reference assist
Add a healthy clip when the damaged file needs extra structure to recover cleanly.
Want the full breakdown of how local repair works, where it works best, and what the limits are? Read how VideoRepair works.
Common Recovery Scenarios
Where local browser repair usually helps most
These are the situations VideoRepair is designed for: interrupted recording, broken transfers, and non-zero files that still contain recoverable media data.
Preview before export
Users can verify playback and timeline recovery before paying for the final download.
Reference-assisted recovery
When metadata is badly damaged, a healthy clip from the same device can supply the missing structure.
GoPro
Battery died mid-recording
A good fit when the file still has size but the final metadata was never written after recording stopped unexpectedly.
iPhone
Transfer finished with a black screen
Useful when MOV or MP4 playback fails after AirDrop, cable, or cloud transfer issues even though the file is not empty.
Dashcam
Critical incident clip will not open
Common with loop-recorded footage where power loss or SD wear leaves an unplayable but non-zero file behind.
FAQ
- What files work best?
- MP4, MOV, AVI, M4V, M4A, 3GP, and compatible 3G2 clips. AVI repair currently focuses on classic AVI files.
- What does repair do?
- It inspects the container and rebuilds missing playback metadata or playback indexes.
- When do I add a reference file?
- When the damaged clip came from the same device and settings as a healthy one.
- Does anything upload?
- No. The workflow runs locally in your browser.
Use-case pages
Repair MP4 Online
For standard MP4 clips
Repair MOV Online
For QuickTime and MOV files
Repair AVI Online
For classic AVI files with index damage
GoPro Video Repair
For action-cam footage
iPhone Video Repair
For iPhone captures
Dashcam Video Repair
For critical road footage
Repair 3GP Files Online
For lightweight mobile clips