Fast, Private, Browser-Based

Free PDF Compressor

Compress PDF files instantly. No signup required. Your files never leave your device.

  • No server uploads
  • Slider-based compression control
  • Works on desktop and mobile
PDF compression example showing reduced file size

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Level 5
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How to Compress a PDF File

  1. Upload your PDF by dragging and dropping it into the upload box or using the upload button.
  2. Choose your compression strength with the slider to balance smaller file size and visual quality.
  3. Click compress, review the file size reduction, then download your optimized PDF.

Why Use MitiTools PDF Compressor?

Our free PDF compressor online helps you reduce PDF file size in seconds, making documents easier to share by email, messaging apps, and forms with upload limits.

If you work with design exports, this tool can compress Canva PDF exports and PowerPoint PDFs quickly while keeping them readable for clients and teams.

You can compress PDF without Adobe Acrobat and without paying for desktop software. There are no file size limits enforced by our tool itself, and no account is required.

Because everything runs locally in your browser, your files are never uploaded to a server. It works on Mac and Windows and is a free alternative to Adobe Acrobat for everyday compression tasks.

Frequently Asked Questions

Is this PDF compressor really free?

Yes. MitiTools offers this PDF compressor completely free online with no signup, subscriptions, or hidden usage costs.

Does my PDF get uploaded to a server?

No. Your PDF is processed directly in your browser. Files never leave your device, and we do not store or access your documents.

How much can I reduce my PDF file size?

Reduction varies by file content. Image-heavy PDFs often compress significantly, while text-only PDFs may shrink less.

Can I compress a Canva PDF export?

Absolutely. This tool is a practical way to compress Canva PDF exports so they are easier to upload, email, and share.

Does it work on iPhone and Android?

Yes. The tool is mobile responsive and works in modern browsers on iPhone and Android, as well as desktop systems.