Guides

Plain-English help on compressing and preparing files — then the tool to do it.

How to reduce PDF file size Why PDFs get big, what actually shrinks them, and how to keep text sharp. How to compress files for email Know the attachment limits, then shrink PDFs, photos and documents to fit. JPG vs PNG When to use each format — and why they compress so differently. How to prepare a photo and signature for online forms Hit the exact size and dimensions application portals ask for.