Optimize and compress PDFs
Make heavy PDFs lighter so they're easy to email and quick to upload. Choose how hard to compress, keep your text sharp, and do it all on your own device.
Shrink PDF file size in your browser. Choose light or strong compression. Everything runs locally in your browser — your file is never uploaded to a server.
Reduce PDF size while keeping text crisp and selectable — use Light mode for lossless structure optimization.
Shrink a PDF so it fits under email attachment limits, right in your browser. Free, no upload.
Questions, answered
Are these optimize tools free?
Yes — every tool is free with no sign-up, no daily limits and no watermarks.
Are my files uploaded anywhere?
No. Each tool runs in your browser, so your files never leave your device. You can confirm it in your browser's Network tab.
Do they work on phones and tablets?
Yes — they run in any modern browser on Windows, macOS, Linux, Chromebook, iPhone and Android.