Shrink a PDF without wrecking it. The photos inside get recompressed while the text, links and bookmarks stay exactly as they were — and you're told up front what each method costs.

Drop a PDF here or click to browse

Up to 200 MB. Everything happens on your device.

Your PDF is opened, rewritten and saved entirely on your device. Nothing is uploaded, stored, or sent anywhere.

Compress PDF files online — fast, private, and completely free. Flipper File’s PDF Compressor reduces document size while maintaining readability and layout integrity. All compression takes place directly in your browser, so your files remain secure and private at all times.



How to Compress PDF Files

  • Upload or drag your PDF: Select a file up to 10 MB or drop it into the upload area.
  • Choose compression options: Adjust image quality or page scale to balance clarity and file size.
  • Download instantly: Once processing is complete, download your optimized PDF file immediately — no registration or upload delay.


Why Use a PDF Compressor?

Large PDF files can slow down email attachments, online submissions, and file storage. Compressing them improves sharing, upload speeds, and device performance. Flipper File’s browser-based compressor reduces file size without altering your document’s content, making it ideal for contracts, eBooks, invoices, and scanned forms.



Frequently Asked Questions

How does this PDF compressor work?

It optimizes embedded images and streamlines PDF data using in-browser algorithms. The process reduces file size while keeping text and graphics intact.

Is my PDF secure during compression?

Yes. Compression happens entirely in your browser using local processing. Your file never leaves your device and is not uploaded or stored on any server.

Will compression affect PDF quality?

Minimal. You can choose your preferred image quality setting (High, Medium, or Low) to balance visual clarity and file size reduction.

Can I compress multiple PDFs at once?

Currently, the compressor supports one file at a time. You can repeat the process for multiple documents as needed.

Does this work on mobile or tablet devices?

Yes. The tool runs on any modern browser, including mobile devices, without requiring an app or installation.

Fast, secure, and effective — reduce your PDF size instantly with Flipper File’s free online compressor.

More Free PDF Tools

Flipper File