Resize to the exact pixel dimensions each platform expects, so your post is never cropped, letterboxed or rejected.
Instagram post
Resize to 1080x1080 (1:1) for Instagram post.
Instagram story
Resize to 1080x1920 (9:16) for Instagram story.
Instagram landscape
Resize to 1080x1350 (4:5) for Instagram landscape.
X / Twitter post
Resize to 1600x900 (16:9) for X / Twitter post.
Facebook link share
Resize to 1200x630 (1.91:1) for Facebook link share.
LinkedIn post
Resize to 1200x627 (1.91:1) for LinkedIn post.
YouTube thumbnail
Resize to 1280x720 (16:9) for YouTube thumbnail.
Pinterest pin
Resize to 1000x1500 (2:3) for Pinterest pin.
Every tool on this page runs inside your browser. There is no upload step, no account, no watermark and no daily limit - which means the image resizer works even on a slow connection, and your files stay on your own device.
Need something adjacent? The other two collections - format conversion and platform sizing - cover the rest of the workflow.