PDF tool

Compress PDF

Reduce PDF size by cleaning and repacking the document where possible.

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 100 MB max · 500 pages max
Upload a PDF fileResult: PDF file
  • Your PDF stays in this browser while the tool runs.
  • Encrypted or damaged PDFs may need to be unlocked or repaired before this tool can read them.
  • This tool preserves page artwork where possible, but it does not rewrite original PDF text like a word processor.
  • Best results come from PDFs with extra metadata or inefficient internal structure.
  • Image-heavy PDFs may still not shrink significantly.
  • If the cleaned copy is larger, the original file is returned instead.

How it works

How to use Compress PDF online

  1. Choose the file or files requested by the tool.
  2. Adjust any available settings for the output you want.
  3. Run the tool in your browser and download the finished result.

Overview

Compress PDF for private browser work

Reduce PDF size by cleaning and repacking the document where possible. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.

Input

Upload a PDF file

Output

PDF file

Limits

1 file · 100 MB max · 500 pages max

Best for

Compress PDF use cases

  • Turn upload a pdf file into pdf file without creating an account.
  • Run a quick compress pdf job before sharing, archiving, or publishing a file.
  • Check the 1 file · 100 mb max · 500 pages max guidance before using larger or unusual inputs.

Processing

What happens in your browser

PrivConvert uses PDF structural compression for this workflow. 2 adjustable settings. This tool checks for wasm support before running

Your PDF stays in this browser while the tool runs.

Related tools

FAQ

Compress PDF questions

Read privacy policy

Is Compress PDF free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.

Why might a file fail to process?

Your PDF stays in this browser while the tool runs.