Size Marks is a helpful Photoshop script for web designers and front-end engineers. Script converts rectangular marquee to labeled measurement mark. Landscape marquee → horizontal mark. Portrait or square marquee → vertical mark. Install – Right click: Size-Marks.jsx-v0.1.1.zip and choose Download Linked File As…. – Unzip and place Size Marks.jsx in the Photoshop’s Scripts folder. For OS X: /Applications/Adobe Photoshop CC 2014/Presets/Scripts/ and restart Photoshop. – Now script is available in File – Scripts -…