Repair a corrupted FLV file online.
In our measured video test sets, FileFix fully repaired 1 of 1 FLV file (a single file, so a small sample). Upload the .flv file that won't play and watch a free preview before you pay.
Free preview — pay only if you download (from $12 USD)
Your files auto-delete — delete them sooner anytime
No person looks at your file as part of repair
Uploading your file.
Keep this tab open while the file transfers. Large files can take longer.
Starting upload...
Recovering what we can.
- Upload received
- Repair in progress
- Result ready
Analyzing your file...
Here's what we recovered.
Review the watermarked preview before checkout. Video previews are capped at 12 seconds.
Repair your file
Choose a supported file to see what can be repaired before checkout.
Simulated checkout — no payment is processed.
Optional — we'll email your private download link.
You preview before you pay. If the download is materially worse than the preview you approved, we'll refund you.
Your files auto-delete — delete them sooner anytime
No person looks at your file as part of repair
We couldn't recover this one.
The file is too damaged to rebuild, so there is nothing to preview and no charge.
What stopped you continuing? One tap tells us why.
Try a deep repair
The repair engine can try a longer pass on the file you already uploaded.
Machine-only processing; no human views files; nothing is sent to an outside AI.
Have another clip from the same device?
A healthy video recorded on the same device — ideally the same settings — gives the repair engine a template to rebuild from. It can unlock repairs that fail on their own.
Unrepaired files are kept encrypted for up to 30 days, then deleted.
FileFix can't fix that kind of file yet.
Right now we repair video, audio, document, and image files (MP4, MOV, M4V, MKV, AVI, TS, MTS, M2TS, MPG, MPEG, VOB, 3GP, WebM, FLV, M4A, WAV, MP3, AAC, FLAC, OGG, OPUS, AIFF, XLSX, DOCX, PPTX, ODT, ZIP, RAR, PDF, AI, HEIC, and HEIF). We're adding support for more formats over time.
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Why FLV files stop playing
FLV (Flash Video) was written by old web video sites, stream recorders and screen capture tools. Video and audio sit in tags, and a header plus metadata at the start describe the duration and keyframes.
A recording or download that stopped early leaves the last tags cut short and the duration or keyframe list wrong. Players then refuse the file, cannot seek, or stop early.
FileFix reads the tags that are present and rebuilds a playable file, and only offers checkout when it produces one. Footage that never reached the file cannot be recreated.
What we can and can't fix
We can usually fix
- FLV recordings and downloads that were cut off or have a broken header or metadata.
We can't fix
How it works
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Upload Drop a supported video file in. It uploads over an encrypted connection. The repair runs automatically — no person watches your file.
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Free watermarked preview You see a free watermarked preview and exactly how much we recovered.
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Pay & download If it's right, you pay from $12 USD once and download a clean, full-quality MP4.
Preview before you pay: you see exactly what came back.
See what's recoverable.
Free preview · pay only if it worked · private & auto-deleted
Related fixes
Questions
Not quite. That is about Flash being retired, and our page on old FLV files covers it. This page is for FLV files that are damaged.
No. The repair is fully automatic.
From $12 USD — and only if the repair works. The watermarked preview is free, and checkout is only offered when the engine produces a playable file.