Drop pdf file here or
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Drop the PDF, pick a compression level, download the smaller file. Compression runs entirely in your browser — nothing is uploaded.
Drag & drop your PDF, or click Choose Files to browse.
Choose the compression level — balanced by default, gentler for print, stronger for email.
Click Compress and compare the before/after size instantly, right in your browser.
Download your compressed PDF free — and nothing was ever uploaded.
Built for speed, privacy and reliability — on any device.
Balanced, gentle or aggressive — the level picker decides how far the squeeze goes.
Image re-encoding and structure cleanup typically cut file size dramatically, with the numbers shown up front.
Compression happens on your device. Contracts and confidential reports never touch a server.
Text remains selectable and sharp — compression targets the heavy images, not the words.
Compress as many documents as you need at zero cost — no account, no size caps, on any device.
It depends on the content: image-heavy PDFs often shrink 50–80%, while text-only files are already lean and may drop very little. The tool shows your actual before/after numbers.
At gentle and balanced levels, images stay visually identical. Aggressive levels trade some image fidelity for size — text quality holds up either way.
Yes — compression runs locally in your browser, so the document is never uploaded to any server. That's as safe as it gets.
Only if you can unlock them first. Remove the password with our Unlock PDF tool (using the password you have), compress, then re-protect if needed.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Reduce PDF file size while optimizing quality