The ultimate guide to image dimensions for every platform — WordPress, Instagram, Twitter, Facebook, and more.
Uploading images at the wrong size causes platforms to resize and recompress them, often resulting in blurry, pixelated outcomes. Using the correct dimensions ensures your images always look their sharpest.
**Featured image**: 1200×630px (16:9 ratio) — also used for social sharing
**In-post images**: 800px wide maximum, height proportional
**Thumbnails**: 300×200px or 400×300px
Our free Image Resize tool lets you resize any image to exact pixel dimensions in seconds. Just upload, enter your target dimensions, and download the perfectly sized result.
Yes — all 30+ tools on PixlTools are completely free to use.
JPG, PNG, WEBP, and PDF are supported across our various tools.
No — images are processed and deleted immediately. We never store your files.
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