Download FastCompressor: Free Offline Image Compressor for Mac
Download FastCompressor
for Mac
FastCompressor is a lightweight desktop app for Mac that helps you reduce image sizes instantly with no internet needed.
Native Support For
Get FastCompressor
The cleanest Mac path: optimized for Apple Silicon and Intel, simple installation, and hardware acceleration.
Alternative Downloads
If you encounter a security warning, right-click the app and select 'Open'.
You may see a security warning
100% SafeBecause this is a direct download and not from the App Store, your computer might show a standard "unrecognized app" prompt. Here is how to safely bypass it in seconds.
Move the downloaded app into your Applications folder.
Right-click (or Control-click) on the app icon.
Select "Open" from the context menu.
Click "Open" in the security dialog that appears.
The app opens and the warning won't appear again.
Install anywhere
No admin permissions needed for setup.
100% Private
Zero uploads. Your files never leave your Mac.
Start for free
Test the full workflow on up to 20 files per session.
Apple Silicon
Hardware-accelerated native macOS performance.