PDF tool · Runs 100% in your browser
Compress PDF
Get under that upload-form limit. Choose how hard to squeeze, see the exact before-and-after sizes, and keep the original if it was already efficient.
Drop a PDF file here
or click to choose it from your device · PDF only · processed locally
Add a PDF file to compress.
How to compress pdf
- Add your PDF. Scanned and image-heavy documents compress best.
- Pick a level. Screen (100 DPI) for forms and email, Balanced (150 DPI) for everyday reading, Print (200 DPI) when detail matters.
- Press Compress PDF. Each page is rebuilt at your chosen resolution on your device.
- Compare and download. If the result is not smaller than the original, the tool says so instead of handing you a bigger file.
Good to know
Honest mechanics: this rebuilds pages as efficient images, which is exactly what makes scanned PDFs shrink dramatically — and it means text in the result is part of the picture, not selectable. A PDF that is already mostly text may not shrink at all; the tool checks the result size first and refuses to give you a larger file dressed up as a compression.
Frequently asked questions
Why did my PDF not get smaller?
Text-based PDFs are already compact — there is little fat to trim. Scanned documents and photo-heavy files hold the savings. The tool tells you plainly when the original wins.
Which level gets me under 200 KB?
Start with Screen (100 DPI). Short documents usually land well under form limits; long scans may need the form’s per-file rules checked as well.
Will the compressed PDF still print well?
Balanced suits normal reading and Print (200 DPI) suits office printing. Screen level is for screens and forms, not for fine print.
Is my document uploaded to be compressed?
Never. The rebuild happens in your browser; the file never leaves your device.
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