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Compress PDF

Shrink a PDF to fit email or upload limits while keeping the document readable. Processing happens locally in your browser.

Professional PDF Studio

All PDF tools in one place

Every tool you need to organize, edit, convert, compress, protect and analyze PDF files right in your browser. Fast, 100% free and completely secure.

Merge PDF Files

Merge multiple PDF documents into a single file, in the order you want.
Processed in your browser · your file is never uploaded
Select PDF files or drop them here

Supports multiple PDF files at once. Processing happens locally in your browser to protect your privacy.

Selected documents (0):
Extracted content / summary:

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How to compress a PDF

Upload the file, choose a compression level, and download the smaller copy. Balanced compression rebuilds the document structure and keeps text selectable. High compression re-encodes the pages, saving much more space but turning the text into an image.

FAQ

It depends entirely on the file’s content. Image-heavy scanned documents shrink a lot, while a short text-only PDF may barely change because it has little redundancy to remove.
With the balanced setting, yes. High compression re-encodes every page as an image, so the text layer is lost.
About this tool

Shrink a PDF to fit email or upload limits while keeping the document readable. Processing happens locally in your browser.

Times used: 26
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