🗜 PDF Tool

Compress PDF Free Online

Reduce PDF file size dramatically — up to 90% smaller. No watermarks, no account, no server upload.

🔒Files stay local

🚫No watermarks

∞No size limit

⚡Instant

🗜

Drop your PDF or click to browse

Any PDF file

Any PDF file — any size

Frequently Asked Questions

How much will my PDF shrink?▼

Typically 20–60% depending on the content. PDFs heavy with images compress the most. Text-only PDFs have less room for compression.

Will compression reduce quality?▼

At Low and Medium levels, compression is visually lossless — you will not notice any difference. High compression may slightly reduce image quality within the PDF.

Are my PDFs uploaded to a server?▼

Never. Compression is performed in your browser using the pdf-lib JavaScript library. Your files never leave your device.

Compress PDF Free Online

Frequently Asked Questions

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