PDF Compressor on Toolvia
Optimize embedded images and simplify contents inside PDF documents directly in the browser. Lowers storage size while maintaining readable text and scalable vector shapes.
Select PDF, or Drag & Drop
Lossless structural optimisation. Runs entirely in your browser — no file leaves your device.
Compress Execution
Compression Profile
Lossless structural optimisation: merges duplicate object references, eliminates orphaned cross-reference entries, and compacts content streams. Text, images, fonts, and links are never modified.
100% Client-Side Privacy SecuredAll processing occurs in-memory inside your browser. No file content ever leaves your device or reaches any server.
Quick Step-by-Step Instructions
1
Select or drop your PDF document into the upload area.
2
Click 'Optimise File Size' to execute lossless object-stream restructuring.
3
Review the original vs. optimised file size in the results panel.
4
Download the result — always a valid, intact PDF file.