PDF Ruler
The Best Free PDF Measurement Tool
Need to quickly check the size of an element in a PDF? Our online tool is fast, precise, and privacy-focused.
Open PDF Ruler
🚀 Fast
Loads instantly. No waiting for uploads or processing.
💻 Offline
Works without an internet connection once loaded.
🛡️ Secure
Your data stays on your device. We never see your files.
Who is this tool for?
PDF Ruler is designed for professionals and students who need a quick reference tool.
- Designers: Check margins, bleeds, and element spacing.
- Engineers: Verify drawing scales quickly.
- Students: Measure diagrams for math or science homework.
FAQ
Is this tool compatible with Mac and Windows?
Yes! It works in any modern web browser (Chrome, Firefox, Safari, Edge) on any operating system.
Do I need to install anything?
No. It runs completely in the browser.