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KineMaster Export Failed: 'An Error Occurred While Exporting'

Q: How do I fix "KineMaster Export Failed: 'An Error Occurred While Exporting'"?

1. Reboot the phone and export again: Back out to the KineMaster project list so the project is saved Restart the phone Open only KineMaster and export again 2. Free internal storage: Android: Settings > Storage; iPhone: Settings > General > iPhone Storage Delete or move large videos and unused apps In KineMaster, remove unused downloaded assets from My Assets 3. Export at a lower resolution or bitrate: In the export screen pick a lower resolution (e.g. 1080p instead of 1440p/4K) Lower the bitrate slider or frame rate and export again 4. Keep the phone unlocked and close other apps: Close screen recorders, YouTube and any picture-in-picture video Don't lock the screen or switch apps until the export finishes 5. Re-encode problem clips: Find the clip where the export stops (screen recordings or files from other cameras are common culprits) Select the clip and use KineMaster's transcode/re-encode option, or re-encode it in KineMaster as a separate project Replace the original clip with the re-encoded version and export 6. Update KineMaster and contact support: Install the latest version from Google Play or the App Store If it still fails, email KineMaster support with where the export stops, screenshots of the error and the .kine project file

Workaround available Android, iOS Updated October 21, 2026

Quick answer

KineMaster export errors usually come from low storage, a resolution above what your phone can handle, or clips the phone can't decode. Reboot, free storage, close other apps, then export at a lower resolution or bitrate and re-encode problem clips.

Most likely fix: Reboot the phone and export again.

Symptoms

Export stops with 'An error occurred while exporting', 'Error exporting' or 'Problem exporting', freezes near the end (often around 99%), or produces a file with black frames or no sound.

Why it happens

Not enough free internal storage
Export resolution or frame rate above the device's capability
Screen recordings or clips from other devices the phone can't decode
Another app (screen recorder, YouTube, picture-in-picture) using the video hardware
Phone locked or app sent to background during export
Outdated app version

How to fix it

Try these in order — the most common fix is first.

1. Reboot the phone and export again
1. Back out to the KineMaster project list so the project is saved
2. Restart the phone
3. Open only KineMaster and export again
2. Free internal storage
1. Android: Settings > Storage; iPhone: Settings > General > iPhone Storage
2. Delete or move large videos and unused apps
3. In KineMaster, remove unused downloaded assets from My Assets
3. Export at a lower resolution or bitrate
1. In the export screen pick a lower resolution (e.g. 1080p instead of 1440p/4K)
2. Lower the bitrate slider or frame rate and export again
4. Keep the phone unlocked and close other apps
1. Close screen recorders, YouTube and any picture-in-picture video
2. Don't lock the screen or switch apps until the export finishes
5. Re-encode problem clips
1. Find the clip where the export stops (screen recordings or files from other cameras are common culprits)
2. Select the clip and use KineMaster's transcode/re-encode option, or re-encode it in KineMaster as a separate project
3. Replace the original clip with the re-encoded version and export
6. Update KineMaster and contact support
1. Install the latest version from Google Play or the App Store
2. If it still fails, email KineMaster support with where the export stops, screenshots of the error and the .kine project file

This guide also covers

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