Resize to 400×400
Resize any image to 400×400 pixels online. Great for profile pictures, marketplace avatars, and medium thumbnails. Free, private, browser-based.
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JPG, PNG, WebP, GIF, AVIF, HEIC, TIFF, SVG & more supported
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Resize to 400×400
Convert between pixels and inches, and see the DPI you need for any print size — instantly, in your browser.
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Resize to 400×400
Resize any image to exactly 400×400 with our free, private, no-upload tool. 400×400 suits marketplace avatars and medium thumbnails that need a bit more detail than 200×200.
Why it matters: 400×400 suits marketplace avatars and medium thumbnails that need a bit more detail than 200×200. Exact dimensions prevent awkward cropping and rejected uploads.
How to resize images
- 1Upload your image. Everything stays in your browser — nothing is sent to a server.
- 2Pick a method — By Pixels for exact sizes, By % to scale proportionally, Aspect Ratio to reshape, or a Preset for social/print standards.
- 3Resize and download. Batch mode bundles every file into a single ZIP.
Best settings for this page: Upload your image, switch to By Pixels, enter 400×400, and download in JPG or PNG.
All resizing runs locally in your browser. Your files are not uploaded to any server.
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