SnapResizer
Image tips, format guides, and web performance notes — written for developers, designers, and anyone shipping visuals online.
The complete, up-to-date guide to image dimensions for every major social platform in 2026 — Instagram, Twitter/X, LinkedIn, Facebook, TikTok, YouTube and more.
App store screenshots are the single highest-leverage asset in your store listing. Users decide in under 3 seconds whether to download — and screenshots do more convincing than any description text.
If you've ever opened Chrome DevTools and winced at a 2MB product photo, you've already felt this problem. Image formats have changed a lot in the last few years — and the answer that was correct in 2019 (just use JPEG) is no longer good enough.
Images are the single largest contributor to page weight on most websites. According to HTTP Archive data, the median web page transfers about 1MB of images.
