PDF Guides & Tutorials
Straight answers to common PDF challenges — each guide paired with a fast, free tool that runs entirely on your own device.
How to Rotate a PDF File and Save It Permanently
Learn how to rotate a single page in PDF or flip a PDF document horizontally and save the orientation permanently.
How to compress a PDF to 100KB
Hit a strict upload limit by tuning image quality instead of guessing.
How to reduce a PDF file size for email
Get under Gmail and Outlook attachment caps without losing readability.
How to sign a PDF for free
Draw and place a signature on any document, privately, in your browser.