Make your images ready for X.

Resize, crop and prepare up to 20 images for X’s current image-post format.

Drop images here

Upload images

Up to 20 images • Processed locally • No account required

JPG • PNG • WEBP

Your images stay on your device.

PostFit processes your images locally in your browser. Nothing needs to be uploaded to a server.

Smart Fit: Keeps screenshots, memes and text whole. Never stretches, never upscales.
Built for the carousel: Previews X’s swipeable layout. 4 images per post, threads beyond that.
Ready to post: JPG, PNG or WebP under X’s 5 MB limit. Download one by one or as a ZIP.

Tip: you can also paste screenshots with ⌘V / Ctrl+V.