Compress PDF
Compress a PDF in your browser — reduce file size without uploading. Quality stays intact, so already-optimized PDFs may shrink little. No signup.
Reduce the file size of a PDF without uploading it. The tool repacks the PDF's internal streams to shrink the file while keeping image quality intact, so a document that's already well-optimized may not get much smaller — but one with uncompressed streams or lots of redundancy can shrink significantly. Everything runs in your browser, so the file stays private. Free, no account, no watermark.
How it works
- Open a PDF from your device
- Compress the internal streams in your browser
- Download the smaller PDF