PDF Optimizer
Rewrite and optimize your PDF locally by removing unnecessary document structure and metadata where possible.
PDF Optimizer & Metadata Cleaner
Clean and repair PDF documents securely in your browser. Results vary by PDF. This tool does not perform image downsampling or JPEG recompression.
Why Use This Tool?
100% Secure & Private
Zero server uploads. Your documents stay safely on your computer.
Metadata Cleanup
Removes old titles, authors, and hidden metadata fields embedded in the document properties.
Frequently Asked Questions
No. The PDF Optimizer tool uses JavaScript to optimize your files completely locally on your device. Your sensitive documents never touch our servers.
It rewrites the internal structure of the PDF document, packs objects into streams, and strips out unused metadata or unreferenced objects left behind by incremental saves.
If your PDF is already well-optimized or consists mainly of high-resolution images, structural cleanup won't reduce its size. In some cases, re-serializing the PDF graph can slightly increase the file size. This tool does NOT perform image downsampling or JPEG recompression.
