Free PDF Compress
Reduce PDF file size by stripping unused objects and metadata. Free, no signup, files stay in your browser.
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How to Compress a PDF Online
Upload your PDF file and click Compress. The tool creates a clean copy of your document, stripping unused objects, redundant resources, and metadata bloat. This can significantly reduce file size for PDFs generated by word processors and design tools that embed unnecessary data.
Why Use Our PDF Compressor?
PDF files often contain hidden bloat: unused fonts, duplicate images, editing history, and verbose metadata. Our compressor runs entirely in your browser using pdf-lib, so your sensitive documents never leave your device. It's free, requires no signup, and works instantly.
Frequently Asked Questions
How much will my PDF shrink? Results vary. PDFs with embedded fonts, metadata, and unused objects can shrink 10-50%. Already-optimized PDFs may see minimal reduction.
Does compression affect quality? No. This compression removes structural bloat, not image quality. Images in the PDF remain at their original quality.
Are my files uploaded? No. All processing happens in your browser using JavaScript.