PDF Tools
PDF Compress
Reduce PDF file size by removing metadata, compressing page structure, and optimizing the document. All processing happens in your browser — your file is never uploaded.
100% private — processed in your browser only
Drop a PDF to compress
or click to browse · PDF only
How to use PDF Compress
1
Upload your PDF
Drop a PDF file onto the dropzone or click to browse.
2
Compression runs automatically
We remove metadata and optimize the document structure in your browser.
3
Download the smaller PDF
Click Download to save the compressed version.
Your privacy is protected
This tool runs entirely in your browser. Files you upload are never sent to any server — they are processed locally using JavaScript and immediately discarded when you close the page.
Frequently Asked Questions
How much will it compress?
Savings depend on how much metadata and redundant structure the PDF contains. Typical reduction is 5–30%. Embedded images are not recompressed.
Is my PDF sent anywhere?
No. Compression runs entirely in your browser using pdf-lib. Nothing is uploaded.