iFCP Slim
Support · FAQ · Privacy
Getting started
- How do I open a Final Cut Pro library?
Four methods: drag and drop from the Finder into the iFCP Slim window or onto its icon, click the drop zone for a manual selection, or right-click the library in Finder > Open With > iFCP Slim.
- What is the difference between Editing in progress and Editing complete?
Editing in progress removes renders and some temporary data. Editing complete removes more files: ideal for archiving a finished project and reclaiming maximum space. You can also choose Editing complete if you are running low on space while editing: the necessary files are recreated automatically by Final Cut Pro, and you can manually regenerate proxies and optimized media, for example.
- Will my editing projects be affected?
No. iFCP Slim only removes temporary, regenerable files. Your timeline, cuts, effects, and original media remain intact.
- Can Final Cut Pro regenerate deleted files?
Yes. Files removed by iFCP Slim are automatically recreated by Final Cut Pro when you need them: renders, analyses, transcodes.
Troubleshooting
- The deletion buttons are grayed out.
The library is open in Final Cut Pro. Close it in Final Cut Pro, then return to iFCP Slim: the buttons will unlock automatically.
- iFCP Slim cannot access my external drive or a folder.
Click the Allow Access button shown in the app next to the affected backup or folder. If you previously denied a macOS prompt and iFCP Slim appears in System Settings > Privacy & Security > Files and Folders > iFCP Slim, you can also re-enable access there manually (depending on the version installed).
- The library is not recognized.
iFCP Slim only accepts Final Cut Pro libraries in
.fcpbundleformat. Check that the file is not a broken alias pointing to a library that has been moved or deleted. The app has only been tested with version 11 and later libraries, not version 10. If your library is still not recognized, contact support: support@felsware.com. - I disabled the deletion confirmation and want to re-enable it.
Hold ⌘⌥ at launch to reset all preferences.
Shortcuts
| ⌘⌥ (at launch) | Reset all settings — your libraries are not affected |
| ⌘? | Open built-in help |
| Hover folder | Show a tooltip explaining the folder's contents and deletion impact |
| Hover buttons | Summary of what each mode removes |
System requirements
- macOS 13.5 Ventura or later
Compatible with Intel and Apple Silicon Macs.
- Final Cut Pro not required
iFCP Slim analyzes libraries in the
.fcpbundleformat created by Final Cut Pro. Final Cut Pro does not need to be installed to run the analysis.
Privacy
iFCP Slim operates entirely offline. The app does not collect, store, transmit, or share any personal or usage data. No analytics, no tracking, no ads. The app only accesses the Final Cut Pro libraries and their associated files you explicitly hand to it.
© 2026 FelsWare. iFCP Slim is an independent application, unaffiliated with Apple Inc. or Final Cut Pro. No third-party dependencies.
Archives
- July 23, 2026 · v1.0.3More reliable Final Cut Backups detection, protected deletion, new language: Korean.
- June 12, 2026 · v1.0.1First public release.