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Compress PDF
Shrink PDF file size — free, private, no upload.
🔒 Everything above runs on your device — compress pdf never uploads your file anywhere.
Compress PDF reduces the file size of your document so it is easier to email, upload, or store, while keeping it readable. Choose a compression level that balances size and quality, then download the smaller file. All of it runs in your browser for full privacy.
How it works
- 1Upload the PDF you want to compress
- 2Pick a compression level
- 3Download your smaller, optimized PDF
Frequently asked questions
How much smaller will my PDF get?+
It depends on the content, but image-heavy PDFs often shrink significantly while staying clear.
Is compressing PDFs free?+
Yes. The tool is free with no watermark added to your file.
Are my files safe?+
Yes. Compression is done locally in your browser, so your PDF is never uploaded.