Guides
Practical, no-fluff guides for recovering corrupted recordings — why MP4 files break after a crash, how to repair them locally, and how to stop it from happening again.
How to repair a corrupted MP4 file
Fix an unplayable MP4 on your own PC — free preview, no upload, $29 one-time.
"Moov atom not found": what it means and how to fix it
Why the error happens and how to rebuild the missing index and recover your video.
How to fix a corrupted OBS recording
Why an OBS crash leaves an unplayable MP4, and the reference-clip method that recovers it.
untrunc: repair an MP4 without the command line
What untrunc is, how to use it, and a drag-and-drop way to do the same repair.
Repair an MP4 without uploading it anywhere
Keep private footage off third-party servers — repair corrupted MP4 files 100% locally.
Wondershare Repairit alternative
Compare Repairit Online/Desktop with a focused $29 local repair workflow for corrupted OBS MP4s.
Stellar Repair for Video alternative
When a broad video repair suite makes sense, and when a smaller OBS-focused tool is enough.
OBS MKV vs MP4 recording settings
Prevent future corruption by recording to MKV, remuxing to MP4, or using fragmented MP4.
Repair an MP4 after a PC crash
What to do first when a crash, power loss, or forced shutdown leaves an MP4 unplayable.
Repair an MP4 with a reference file
The method every serious repair tool uses: rebuild a broken file's index from a healthy clip.
Error 0xc00d36c4: MP4 won't play on Windows
Codec problem or real corruption? The one-minute VLC test, and how to fix both.
Error 0xc00d5212: "missing codec"
Usually a missing HEVC codec — but on interrupted recordings it's real corruption. How to tell.
Error 0xc10100be: "this file isn't playable"
Why Windows can't parse the container, the extension-mismatch trap, and the repair path.
FFmpeg "invalid data found when processing input"
The flags worth trying on a broken MP4 — and the point where FFmpeg can't help anymore.
GoPro video corrupted? How to repair it
SOS repair first, then local reference-file repair when the camera can't fix its own file.
Dashcam video corrupted? Recover accident footage
Why the crash clip specifically breaks, 0 KB files, and repairing copies while preserving evidence.
Drone video corrupted after a crash?
The footage usually survives the impact even when the drone doesn't. DJI and others.
Phone died while recording? Fix the video
iPhone's overnight self-repair, Android screen recordings, and local repair for private videos.
.MDT file recovery after camera power loss
The unfinalized file Panasonic and similar cameras leave behind — and how to get the footage out.
How to uncorrupt an MP4
Plain-language triage: free checks first, why repair tools keep failing, and the method that works.
GoPro battery died? Recover the footage
A dead battery doesn't delete footage — it just never finished saving it. The recovery sequence.
Camera died while recording (Sony, Canon, Panasonic)
The 21 GB file that won't open usually still holds every frame. In-camera repair first, then PC rebuild.
Canon .DAT file recovery
The file a crashed Canon leaves behind is your footage without a container. How to get it back.
Error 0xc00d36e5: "item is unplayable"
Almost always a truncated transfer. Check the original first, then repair the copy locally.
Screen recording corrupted? The 4 GB trap
FAT32's 4 GB limit, crashed recorder apps, Bandicam audio problems — causes and repairs.
Extract audio from a corrupt MP4
Only need the conversation? Repair the container, then pull the voice track losslessly.