Compress PDF
Instantly reduce your PDF file size for free—no watermark or upload.
Multi Tools compresses your PDF 100% on your device: secure, mobile ready, unlimited.
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How does Compress PDF work?
The Compress PDF tool by Multi Tools reduces your PDF file size fast, directly in your browser.
It's ideal for all trending searches: compress PDF, optimize pdf, and reduce pdf file size.
Why use this Compress PDF tool?
- No upload: your PDF stays on your device for full privacy.
- No watermarks, unlimited use, and always free.
- Works especially well for image-heavy or scanned PDFs.
- Download your compressed PDF instantly. Modern Multi Tools look and seamless mobile experience.
* Text-only PDFs shrink very little; best compression is for scanned/image-rich files.