Resize to a crisp 1080×1080 square — the standard size for social posts.
Everything runs locally with HTML5 Canvas. Your image is never sent to a server.
Instant, accurate output tuned to the exact spec — no guessing, no queues.
Free forever, no sign-up, and never a watermark on your finished file.
Four steps, a few seconds, zero uploads.
Drop your image or browse. iPhone HEIC works too.
The tool applies the exact spec — tweak if you like.
See the result and file size before you commit.
Save your optimised, ready-to-use image.
Jump to another size or format.
It is the recommended square post size, balancing sharpness and file size on the feed.
It is fitted centrally to the square so it is not stretched; drag to reposition using the square cropper if you prefer a specific crop.
No, it is resized locally in your browser.
Browse the full toolkit — one focused tool per page.
Every tool here runs in your browser. Nothing is uploaded, stored or watermarked — ever.
Is this safe? See how