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Compress PDF Online
Compress PDF online free without uploading. Reduce PDF size for email, forms and portals — fast and private in your browser.
Runs in your browser — no uploadChoose your PDF
Drag & drop here, or pick a file from your device
PDF
Processed on your device — size is limited only by your browser's memory
Working...
🔒 This tool works offline inside your browser tab. Your file is never uploaded, and results are discarded when you close the page.
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About this tool
Compress PDF Online
Each page is re-rendered at a lower resolution and re-encoded into a new PDF entirely inside your browser. Text stays readable at Low and Medium levels, while High and Maximum trade sharpness for the smallest possible file.
Adjust the settings
Pick a compression level and start processing.
Download
The finished file is created on your device and downloads straight away.
Compress PDF Online FAQs
Is filecompress.in really free?
Yes. All 100+ tools are free with no daily limit. Optional accounts unlock higher quality presets.
Do my files get uploaded?
No. Compression runs in your browser tab. Check the network panel — no file is sent.
How do I compress PDF to 100KB?
Open Compress PDF to 100KB, upload your PDF and pick a compression level. The tool targets your size limit.
Can I make a passport photo online?
Yes. Use Passport Photo Maker — upload a portrait, pick 2×2 inch size and download a white-background photo.
Does this work on mobile?
Yes, on Android, iPhone and iPad browsers. Very large files depend on device memory.
Will the visit counter reset when you update the site?
No. Visit counts are stored in our MySQL database, not in the static files we deploy.