Compress PDF
Shrink your PDF while keeping the best possible quality.
Drop your PDFs here
PDF files only
You can also paste with CtrlV
How it works
- 1
Upload one or more PDFs and see how big they are right now.
- 2
Pick a level —Low, Recommended or Extreme— with a size estimate for each.
- 3
Download the compressed PDF and see how much space you saved.
Frequently asked questions
How much smaller will my PDF get?
It depends on the content: PDFs full of photos or scans usually drop by 50–90%; text-only PDFs are already small and shrink less.
Will compression reduce quality?
With “Recommended” text stays crisp and images are optimized with no visible difference on screen. “Extreme” favors size and may show on large photos.
Is it safe to upload my files?
Yes. For Compress PDF, your files travel encrypted (HTTPS), are virus-scanned, processed in memory and deleted automatically after one hour. They're never used to train models.
Is it free? Are there any limits?
Yes: free, no sign-up, and no watermark on the result. Without signing up, each file can be up to 50 MB (up to 20 files per task); signing in for free or with PRO raises it to 100 MB, and the PRO plan expands request limits and unlocks AI tools.
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