Compress PDF

Guides, articles & comparisons

Compress PDF Online — Shrink File Size for Free

Quick guide

How to Reduce a PDF's File Size: What Works and What Doesn't

Why PDFs get large, which fixes actually shrink them, and an honest look at what a browser-based compressor can and cannot do.

Merge PDF Files Without Uploading Them Anywhere

Combine several PDFs into one in your browser. No upload, no sign-up, no watermark, no file-size cap set by a server.