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Compress PDF

Shrink large PDFs by re-rendering pages, ideal for scanned or image-heavy files.

100% Free
All tools are free to use
Instant Process
Get results in seconds
Browser-Based
Files never leave your device
Privacy First
No uploads, 100% safe

About Compress PDF

Reduce the file size of a PDF directly in your browser. Pick a compression level and the tool re-renders each page as an optimized image, which dramatically shrinks scanned and image-heavy documents. Your file is processed locally and never uploaded.

How to use

  1. 1

    Upload a PDF.

  2. 2

    Choose a compression level: strong, recommended or light.

  3. 3

    Click 'Compress PDF' and wait for the pages to process.

  4. 4

    Review the size saving and download the compressed file.

Tip: All processing is performed locally in your browser with zero loss in quality and no upload limits.

Frequently Asked Questions

This tool compresses by converting each page to an optimized image, which is what makes scanned PDFs so much smaller. If you need selectable text, keep the original.

All processing happens locally in your browser. Your files are never uploaded anywhere.