What app can compress PDF?
The best free pdf compress tool should be fast, private, and unlimited. MiOffice checks all three boxes — it uses WebAssembly for near-native speed, processes everything client-side for privacy, and has no usage limits or watermarks.
How to Get Started
- 1Open MiOffice's Compress PDF tool
- 2Upload your pdf
- 3Process with one click
- 4Download — free, no watermark
Good to Know
MiOffice supports all major file formats and works on every modern browser. Processing happens locally using WebAssembly, so your files remain private and secure.
Key Features
- Files never leave your device
- No signup or account required
- Works on any device and browser
- No watermarks on output
- Unlimited usage — completely free
- Supports batch processing