Resize Image to 1080 × 1080 Pixels
1080×1080 is the square social post size. Scale and crop any photo to it without leaving the page, then compress it if the upload needs to be smaller.
Drop your image here
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Choose ImageYou can also paste an image with Ctrl+V
Images are processed on your device and never uploaded.
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Runs on your device — nothing is uploaded.
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How to create a 1080×1080 image
- Choose your photo.
- The 1080 × 1080 preset is already applied — press Resize.
- Download and post.
Why 1080 pixels
1080 px matches the native width of a full-HD phone screen, which is why social platforms settled on it as the square post resolution. Uploading a larger image just means the platform re-compresses it on its own terms; uploading a smaller one means visible softening on modern screens.
Related sizes worth knowing:
- 1080 × 1350 — the 4:5 portrait post, which occupies the most vertical space in a feed.
- 1080 × 1920 — the 9:16 full-screen story format.
- 1200 × 630 — the standard OpenGraph link preview.
The general resize tool handles all of these — type the numbers.
Keep the important part in frame
Fill mode centre-crops, which suits most photos. For a portrait where the face sits high in the frame, crop to a square first with the crop tool so you decide what survives, then resize.
Resampling quality
Downscaling is where cheap tools give themselves away. Throwing an 8000 px image
into a single drawImage call at 800 px makes the browser sample roughly
one pixel in a hundred, which produces aliasing on fine detail — moiré on fabric,
jagged edges on text, sparkle on foliage.
This tool steps the image down in halves and finishes with a high-quality Lanczos pass, so every source pixel contributes to the result. Aspect ratio, transparency and EXIF orientation are preserved throughout.
Frequently asked questions
Are my images uploaded to your server?
No. The image is decoded, processed and re-encoded by your own browser using the Canvas and Web Worker APIs. There is no upload endpoint for this tool — open your browser's network panel while you use it and you will see no request carrying image data.
Should I compress after resizing to 1080×1080?
If the platform has an upload limit, yes — resize first, then compress. A 1080×1080 JPEG at good quality is typically 200–400 KB, which most platforms accept without further processing.
My photo is portrait — will it be ruined?
A tall portrait loses a lot of its top and bottom in a square crop. Consider 1080×1350 instead, which keeps far more of the frame and displays larger in a feed.
What happens to my file when I close the tab?
It is gone. The image only ever exists in your browser's memory as an object URL; closing or refreshing the page discards it. Nothing is written to our servers, and nothing is stored on your device unless you download the result.