Social Media Image Resizer
Resize images for stories, posts and banners.
Upload an image
About Social Media Image Resizer
Upload an image and resize it to the exact dimensions social platforms expect — Instagram story (9:16), square post (1:1), portrait (4:5), landscape, YouTube thumbnail or X header — with crop-to-fill or fit-with-padding. Everything happens in your browser.
- 1Upload an image.
- 2Pick a platform preset and fit mode.
- 3Download the resized PNG.
FAQ
Is my image uploaded?
No — resizing happens entirely in your browser on a canvas; nothing leaves your device.