PDF Compressor - Reduce PDF Size Online
Free PDF compressor. Compress PDF locally by lowering embedded image quality, showing size saved in real time, batch supported. 100% local, no upload.
About 文档 / PDF
Compress PDF by lowering image quality locally, show savings, batch. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.
FAQ
Will my files be uploaded?
No. All processing happens locally in your browser; files never leave your device.
Which formats / scenarios are supported?
pdf compress, compress pdf, reduce pdf, online pdf compress, pdf shrink, batch compress and more can be done on this page.
Do I need an internet connection?
After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).