PDF Tools
PDF Compress
Reduce PDF file size by removing metadata, compressing page structure, and optimizing the document. Processing happens in your browser using JavaScript.
Processed in your browser — files are not uploaded
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.
Processed in your browser
This tool runs entirely in your browser using JavaScript. Files you select are not uploaded to any server. Processing happens locally on your device.
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.