Compress PDF. Free & Private.
Upload a PDF, pick your quality level, and download a smaller file in seconds. PDFs with lots of images or scanned pages typically shrink by 40 to 80 percent. Text stays sharp at every quality level. Everything runs in your browser - your files never leave your device.
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Files stay local
Processed in your browser
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No queue, no wait time
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How it works
Upload your PDF
Drop a PDF or click to browse. Any size PDF is supported.
Choose quality
Pick from three quality levels: High (best quality), Medium (balanced), or Low (smallest file).
Download compressed PDF
Click Compress and your smaller PDF downloads instantly. No servers involved.
Frequently asked questions
Each page is rendered and re-encoded at your chosen quality level. This is especially effective for PDFs with lots of images or scanned pages.
Yes. Even at Low quality, text remains sharp. Compression mainly affects image fidelity - at Medium or High quality the difference is barely noticeable.
No. All compression happens entirely in your browser. Your PDF never leaves your device.
Results depend on the content. PDFs with lots of images or scanned pages typically shrink by 40-80%. Text-only PDFs will see less reduction.
High is good for documents you will print. Medium works great for email or sharing. Low gives the smallest file size, best for archiving or uploading to web forms.