Compress PDF

Reduce PDF file size without losing quality.

Select PDF File

or drag & drop PDF here

About Compress PDF Online

Reduce PDF file sizes online for free without losing image or text formatting quality.

Select the PDF file you want to compress from your device.

Click 'Compress PDF!' to remove unnecessary structural objects and metadata locally.

Download the compressed file which is now smaller and ready to share.

Your files are processed locally in your browser. No data is uploaded to our servers.

Processing runs instantly using local WebAssembly, bypassing server queues.

All PDF tools are accessible for free without watermark, limits, or registration.

U-PDF cleans up duplicate font references, handles page streams efficiently, and compresses assets without compromising read quality.

No, our algorithms optimize PDF structure objects rather than applying harsh image recompression, ensuring crisp rendering.

Yes. Processing is done locally on your machine, so your private files are never sent online.