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Compress PDF

Reduce PDF file size locally by rebuilding each page with adjustable image quality.

or drop the file here

Up to 50 MiB per PDF

Up to 100 pages

Files remain in your browser No file upload No account required

How to compress pdf online

  1. Choose one readable PDF.
  2. Review the available settings and start local processing.
  3. Review the result and download the .pdf file.

Browser processing questions

Is my file uploaded?

No. Input files and generated results remain in this browser.

Do I need to install software?

No. The tool runs from the deployed website in a modern browser.

Will every document convert perfectly?

Compression rebuilds pages as images. Searchable text, links, forms, and signatures are not retained.

Need another document task? Browse all working tools.

About this tool

Reduce PDF size with a clear quality trade-off

Compress PDF renders each page and rebuilds the document using the quality setting you choose. This can significantly reduce scanned or image-heavy PDFs.

Useful for

  • Shrink scanned notes or photo-based documents.
  • Prepare a PDF for an upload-size restriction.
  • Compare quality levels before sharing the result.

Good to know

  • Pages are rebuilt as images.
  • Selectable text, links, forms, and digital signatures are not retained.
  • Text-only PDFs may not become smaller.