"300" is a 2006 American epic historical action film directed by Zack Snyder, based on the 1998 comic book series of the same name by Frank Miller and Lynn Varley. The film depicts the Battle of Thermopylae, where a small group of Spartan warriors led by King Leonidas fought against the massive Persian army. The story is a fictionalized retelling of these events, drawing inspiration from Herodotus' "Histories."
Simple, intuitive design tools at your fingertips
"300" is a 2006 American epic historical action film directed by Zack Snyder, based on the 1998 comic book series of the same name by Frank Miller and Lynn Varley. The film depicts the Battle of Thermopylae, where a small group of Spartan warriors led by King Leonidas fought against the massive Persian army. The story is a fictionalized retelling of these events, drawing inspiration from Herodotus' "Histories."
Click on the extension icon and select the tool you need, or use the right-click context menu.
Interact with the webpage to measure elements, identify fonts, or pick colors with pixel-perfect accuracy.
Install Web Design Ruler from official stores or as an unpacked extension
For Chrome: Visit the Chrome Web Store and click "Add to Chrome". For Firefox: Visit Firefox Add-ons and click "Add to Firefox".
Download the Web Design Ruler extension files from this website. Save the ZIP file to your computer and extract it.
For Chrome: Type chrome://extensions in the address bar. For Firefox: Type about:addons in the address bar.
Toggle on the "Developer mode" switch in the top-right corner of the Extensions page.
Click the "Load unpacked" button and navigate to the folder where you extracted the extension files. Select the folder and click "Select Folder".
Do not delete or move the extension folder after installation. Since this is an unpacked extension, Chrome needs the folder to remain in its original location. If you delete or move the folder, the extension will stop working.
Your privacy and security are our top priorities
Web Design Ruler operates entirely on your device. We don't collect, store, or transmit any of your data or browsing history to our servers or third parties.
Our extension only requests the minimum permissions needed to function. We can only access the active tab when you explicitly activate one of our tools.
No ads, no trackers, no bloat. The extension is built with clean, efficient code focused solely on providing helpful design tools.
The extension is built with transparent practices. You can inspect the code yourself since it's installed as an unpacked extension.
Our extension contains no malware or harmful code. It's a simple, focused tool created by designers for designers at LXB Studio.
All functionality works completely offline. No internet connection is required for the tools to operate after installation.
As web designers and developers at LXB Studio, we often found ourselves switching between multiple tools to measure elements, identify fonts, and pick colors from websites. This workflow was inefficient and interrupted our creative process.
We built Web Design Ruler to solve these pain points and create a streamlined workflow for ourselves and the design community.
We've made it free and open because we believe in giving back to the design community that has given us so much.
Got questions? We've got answers
Download Web Design Ruler today and transform your web design workflow with powerful measurement, font identification, and color picking tools.
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