Is this advanced PDF compression?
No. This is safe client-side compression that rebuilds the PDF and minimizes metadata. It does not aggressively recompress images.
Free online PDF tool
Rebuild a PDF with safe client-side compression and download a clean optimized copy.
Drop files here or choose files. Upload one PDF file and rebuild it with safe client-side compression.
Basic compression
Rebuilds the PDF safely, copies all pages and minimizes document metadata where possible.
Keep working with tools that match this PDF workflow.
Combine multiple PDF files into one document.
Extract selected pages or split every page.
Export every PDF page as a high-quality JPG image.
Convert PDF pages into sharp PNG images.
Rotate individual pages or all pages at once.
Add custom page numbers with position and style controls.
LiftPDF provides a safe first-step PDF compression tool that runs in your browser. It rebuilds the document, keeps every page and removes or minimizes metadata where possible.
No. This is safe client-side compression that rebuilds the PDF and minimizes metadata. It does not aggressively recompress images.
Not always. Some PDFs are already optimized, and LiftPDF will show a clear message when the rebuilt file is not smaller.
No. Compression runs client-side in your browser with pdf-lib.