Measure pixel distances on screen. Drag to draw measurement lines.
Pixel Ruler is a free, browser-based tool designed for developers, designers, writers, and everyday users. Measure pixel distances on your screen. Draw rulers, guides, and measure elements visually. Free online pixel ruler tool. Everything runs locally in your browser using JavaScript — no data is ever sent to a server, making it completely private and secure. The tool is designed to be intuitive and beginner-friendly while still offering advanced features for power users. It loads instantly with no installation required and works offline once loaded. Use it as often as you need — there are no daily limits, no watermarks, and no hidden fees.
Who is this for? Pixel Ruler is ideal for professionals, students, freelancers, and hobbyists who want quick, reliable results without installing software or creating accounts. Whether you are on a laptop, tablet, or phone, it works seamlessly in any modern browser.
Yes! Pixel Ruler is completely free with no signup required. It runs entirely in your browser — your data never leaves your device.
Enter your data in the input fields above. Results are generated instantly in your browser. You can copy, download, or share the output.
Absolutely. Pixel Ruler runs 100% client-side in your browser using JavaScript. No data is uploaded, stored, or shared with any server. Your privacy is guaranteed.