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Resize Image to 512 × 512

Resize any image to exactly 512×512 pixels — great for app icons and avatars. Free, private, in your browser.

No upload Free forever No signup

Drag & drop images, or browse

JPG · PNG · WebP · HEIC · HEIF — processed privately in your browser

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Quick targets:

Your compressed images appear here. Nothing is uploaded — everything runs on your device.

Quick answer

To resize an image to 512 × 512 pixels, upload it above — the tool is pre-set to 512×512. FitToKB resizes it precisely (and can also cap the file size), entirely in your browser. Free, no signup, nothing uploaded.

Other common sizes

600 × 600 1080 × 1080 1920 × 1080 1280 × 720 1200 × 630 1080 × 1920 1024 × 768 800 × 600

Frequently asked questions

How do I resize an image to 512 × 512 pixels?
Upload your image to the tool above — it’s already set to 512×512. Pick how it should fit (crop, fit or stretch) and download. It runs entirely in your browser.
What is 512 × 512 used for?
512×512 px is commonly used for app icons and avatars.
Can I also compress it to a target KB?
Yes. Enter a target size in KB and FitToKB will resize and compress in one step, with a pass/fail check.
Is my image uploaded?
No. Resizing happens in your browser; the image never leaves your device.

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Compress your first image now

Free forever. No signup, no watermark, no upload. Everything runs on your device.

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