Compression
Compress PDF Online — Free
Email attachment limits, upload caps, and Slack 25MB walls — PDFs hit them constantly. ReFile uses Ghostscript to shrink PDFs by recompressing images and stripping bloat, with knobs from 'a little smaller' to 'extremely small'.
- No signup to try
- Sandboxed processing
- Files deleted in 24 h
What this does
- Quality presets — 'compress for email' (medium), 'compress as much as possible' (aggressive)
- Target size — 'under 5MB' or 'under 1MB'
- Keep text crisp — image-only compression, text untouched
How it works
- 1
Upload your PDF
Drop it above, or click to pick from your device. We validate the format immediately — no spinning on a file we can't process.
- 2
Run the conversion
The recipe runs in an isolated cloud sandbox — same as every other ReFile job. No AI guessing involved; it's a hand-written command that does one thing.
- 3
Download the PDF
Result lands in seconds. Files auto-delete from our servers after 24 hours; signed download URLs expire in the same window.
Frequently asked
- Will the text get blurry?
- No — only images are recompressed. Text and vector graphics stay sharp at any compression level.
- What's the smallest I can go?
- Depends on the PDF. Text-heavy docs can drop 90%+ with no visible difference; image-heavy docs hit a floor around 30-40% of the original.