Compress PDF online for free. Reduce PDF file size without losing quality — perfect for email. No signup, instant browser processing.
Open PDFKits Compress PDF, upload your file, select a compression level, and click Compress. The reduced PDF downloads immediately — no account needed.
Compression results vary by content. PDFs with many images can be reduced by 50–80%. Text-heavy PDFs may see smaller reductions.
PDFKits offers multiple compression levels. Light compression preserves near-original quality; strong compression reduces size further but may affect image sharpness.
Completely safe. All compression happens in your browser — files are never sent to any server. 100% private.