Looking for a free online PDF compressor that does not upload your files? Here is the fastest and most private option — runs entirely in your browser.
No file upload (privacy), multiple quality levels (flexibility), before/after size comparison, no watermarks on output, and no installation on any device.
Upload your PDF, choose Basic (near-lossless), Good (balanced), or Strong (maximum reduction). Click Compress Now. Download the result.
Tip: The result panel shows exact file sizes and percentage reduction before you download — no guessing required.
Files never leave your browser. No account needed. No watermarks. Works on Windows, Mac, iPhone, and Android. Handles files up to 200 MB.
Yes — pdfeditor.onl/compress-pdf. No watermarks, no account, no limits.
Yes. Fully functional in Safari on iPhone and Chrome on Android.