AI model and app icon size, free, no upload required
Resize any image to exactly 512x512 pixels for Stable Diffusion, Midjourney and other AI model inputs, web app icons, game textures and any context requiring a square image at this resolution.
512x512 px
1:1 square ratio
No uploads
Files stay on device
Fit, Fill, Stretch
Three resize modes
Dimensions fixed to 512 x 512 px for this page.
Scales and crops to fill exact size. No white space. No distortion. Recommended.
Drop image here to resize to 512x512
JPEG, PNG, WebP, AVIF, HEIC. All processing stays in your browser.
Early versions of Stable Diffusion were trained on 512x512 images and produce the best results when input images match that resolution. Newer models support higher resolutions (768x768, 1024x1024) but 512x512 remains a common baseline. For image-to-image workflows, resizing your source image to 512x512 before processing ensures predictable results.
512x512 is used for web app manifest icons, PWA icons, some social media profile photos, game textures and sprite sheets, favicon generation sources, and any context requiring a square image at medium resolution.