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Troubleshooting

Why a clip looks corrupt or won't preview

A clip that imports but won't play, shows garbled frames, or cuts off partway through usually points to damage that happened before it ever reached ReelWorkshop, most often during recording or transfer.

Last reviewed September 20, 2026

Corruption is different from an unsupported format: a corrupted file is one where the actual video data is incomplete or damaged, so no player will handle it cleanly, not just this one. Ruling that in or out first saves you time troubleshooting the wrong problem.

Likely cause: an interrupted recording or transfer

The most common cause is a recording that stopped abruptly, such as a phone running out of storage mid-clip, a battery dying, or an app crashing while filming. A close second is a file transfer that got interrupted, such as a cable disconnect or a cloud sync that didn't finish, leaving a truncated file.

How to confirm it's actually corrupt

  1. Play it outside ReelWorkshop first

    Open the file in your phone's gallery app or a desktop media player. If it won't play there either, the file itself is damaged, not a ReelWorkshop-specific issue.

  2. Check the file size looks right

    A file that's suspiciously small for its stated duration is a sign it was cut off during recording or transfer.

  3. Try re-copying the original

    If the file came from a memory card or phone, copy it again from the original source rather than from a backup, in case the earlier copy step is what introduced the damage.

A confirmed corrupt file can't be recovered by ReelWorkshop

If the underlying video data is genuinely damaged, no import step will fix it — you'll need the original recording again, or a version transferred cleanly, or a dedicated file-repair tool as a last resort.

What to do once you've confirmed it

  • If you still have the source device or card, re-copy the file directly rather than reusing a corrupted backup.
  • If the recording was genuinely interrupted at the source, there may be nothing left to recover — treat it as unusable footage for this project.
  • Try a dedicated video-repair tool if the clip is otherwise irreplaceable, then import the repaired output.

Preventing corrupted footage

Check your phone or camera's available storage before a long shoot, avoid ejecting cards or unplugging cables while a transfer is in progress, and back footage up to a second location before you delete it from the original device.

When it isn't corruption

If the file plays fine everywhere else but only fails inside ReelWorkshop, that's a format compatibility issue rather than corruption — see the unsupported format page instead.

Keep reading

TroubleshootingWhy a video format won't importWhat to do when ReelWorkshop won't accept a video file's format, including which container and codec choices import reliably.TroubleshootingWhy a clip won't importWhy a clip fails to import into ReelWorkshop, the most common causes, and how to fix or work around each one before you rebuild your project.WorkflowsNaming files: the organization stageA simple file-naming convention that keeps a ReelWorkshop project readable once dozens of clips are imported and awaiting selection.GuidesManaging your source clips, storage, and exports without losing trackHow to organize source clips, use your 25 GB storage well, and manage exports and duplicates so projects stay easy to work with over time.How-toOrganizing source clips before you bring them into ReelWorkshopA practical system for naming, sorting, and vetting your raw clips before import, so ReelWorkshop's tools work with clean footage.