Screen Sizes | Viewport Sizes and Pixel Densities for Popular Devices
Screensiz.es is a handy database of screen sizes, viewport sizes, and pixel densities for popular smart phones, tablets, and monitors.
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Ressources et outils
Social Crop
Quick image cropping for social media sites.
Free Image Resizer | Resize Your Images for Social Media | Promo
Instantly resize your images for all web and social media formats with the click of a button. It's free and easy to use!
Social Media Image Resizing Tool | Landscape by Sprout Social
Landscape is a free tool that allows you to resize images at the perfect dimensions across Twitter, Facebook, Instagram and more.