Free online PDF compression: shrink PDF file size in one click for chat, email attachments, and cloud uploads. No signup, no watermark—three clarity presets, privacy-friendly.
Drop or choose a PDF to compress
Common PDFs supported. Compare size before and after—pick a preset and start.
Choose PDFWhen contracts, slides, or scans are too big, PDF compress and online PDF compression help. Pick one of three quality levels to reduce file size for chat, email, and uploads—no signup, no watermark on export.
Good for private documents. Image-heavy scans often shrink more; already-small text PDFs may change little—switch presets and compare before you download. We don’t keep your files.
Sharper, recommended, or smaller file—pick by how you’ll send it and see size before and after.
No account needed; downloads aren’t stamped—ready to share or submit.
No signup—suitable for contracts, grades, and sensitive files.
PDF compression reduces file size so PDFs are easier to send in chat, email, and cloud storage. This free online PDF compress tool offers three quality levels—no signup, no watermark, works on desktop and mobile.
Each preset balances size and clarity. “Sharper” keeps more detail; “Smaller file” saves the most space. Open the result and check before you send.
Not while still password-protected. Remove protection in your original app, then compress here.
Already-optimized or mostly-text PDFs have less room to shrink. Try “Smaller file,” or split into parts and compress each.
No. The tool is free and exports without watermarks.
Yes—mobile browsers work. Very long or large files are usually faster on a computer.
Compress shrinks one file; merge combines several; split breaks one into parts by page or range. Use them together as needed.