Compress PDF

Large PDF files create real problems: email attachments get rejected, uploads to client portals time out, and shared drives fill up fast. PDF Genie's Compress PDF tool dramatically reduces file size while letting you choose exactly how much quality you are willing to trade.

Three compression levels give you full control. The "Less" setting targets a 20–40% size reduction with near-original quality, ideal for PDFs that will be printed or displayed on large screens. "Recommended" achieves 50–70% reduction — the right balance for most email attachments and web uploads. "Extreme" pushes compression as hard as possible, typically reducing files by 70–90%, which is perfect for archiving old documents where storage space matters more than pristine rendering quality.

PDF Genie's compressor works entirely in your browser by re-rendering each page at an optimized JPEG quality level. Because no file ever leaves your device, there is no risk of sensitive documents being stored on third-party servers. Scanned PDFs, image-heavy reports, and photo portfolios typically see the largest reductions; text-only PDFs may see more modest gains since their original content is already compact.

This tool is widely used by architects sending large drawing sets to clients, students submitting coursework through portals with strict size limits, HR professionals sharing benefit booklets, and anyone who has ever received the dreaded "attachment too large" bounce message. Whatever your use case, PDF Genie's compression is free, instant, and requires nothing more than a browser.