Terms of use
1. What this is
Free PDF Compressor is a free, browser-based tool that reduces the file size of PDF documents by re-encoding embedded images, stripping metadata, and rewriting the PDF's internal structure. All processing happens in your browser; no file is uploaded.
2. As-is, no warranty
The tool is provided as-is, without warranty of any kind, express or implied. We do not guarantee that the output will open correctly in every PDF reader, that text or images will be preserved at any particular fidelity, or that the tool will work for any particular file. Lossy compression is, by its nature, irreversible — keep your original.
3. You are responsible for the result
Always verify the compressed output before sending it. Open it in the same reader your recipient will use. Confirm that all pages, text, and signatures are intact. We are not responsible for documents that look different after compression, for printed copies that lose detail, for digital signatures that are invalidated by metadata stripping, or for any downstream consequence of using the output.
4. Don't use this for things it isn't for
- This tool does not OCR scanned documents. It does not convert images to selectable text.
- This tool does not edit, redact, or remove sensitive content from a PDF. Stripping metadata is not the same as redacting content. If a PDF contains sensitive text or images on a page, those remain in the output.
- This tool is not a digital signature, archival, or legal-records system. Re-encoding may invalidate cryptographic signatures embedded in the original.
- This tool does not handle encrypted PDFs. Unlock the PDF first using a separate tool.
5. Privacy
See the Privacy page. The short version: your PDF never leaves your browser.
6. Intellectual property
You retain all rights to any PDF you process with this tool. We acquire no rights to your content because we never see it.
7. Open source dependencies
This tool is built on top of pdf-lib, an open-source JavaScript library for reading and writing PDF files, used under its MIT license. The library is vendored into this site (served from this same domain) rather than loaded from a third-party CDN, to honor the privacy guarantee.
8. Changes
These terms may change. The "Last updated" date above reflects the most recent revision. Continued use of the tool after a change constitutes acceptance of the updated terms.
9. Contact
For corrections or questions, please open an issue on the source repository.