Download: Losslesscut Portable

Because the portable version lacks registry entries, you might hit two rare issues.

The portable version does not auto-update. To update:

Pro tip: Keep two portable versions—the stable release and the latest beta—so you can revert if a bug slips in. losslesscut portable download

Because "LosslessCut" is open source, you must be careful where you download it. Many third-party "warez" sites bundle malware with portable apps.

Once you have the correct portable download, here’s how to launch it. Because the portable version lacks registry entries, you

The official DMG contains a .app bundle. While not "portable" in the purest sense, you can drag that .app to any folder (including an external drive) and run it without installation. No admin rights needed.

There are typically two versions of the Windows build available. You must select the one explicitly marked as "Portable." Pro tip: Keep two portable versions—the stable release

Portable Version:

LosslessCut can copy H.265 streams, but the resulting file might not play in Windows Media Player due to missing codecs. Use VLC Media Player or MPV to play lossless cuts from H.265 sources.