Image size checker
Free · no sign-upCheck any image's dimensions, file size and format — right in your browser.
Check any image's exact dimensions, file size and format in seconds — just pick a file. Everything is read locally in your browser, so your image is never uploaded anywhere. Free, no sign-up.
- ✓Exact width and height in pixels
- ✓File size and image format
- ✓Aspect ratio and megapixels
- ✓Works with JPG, PNG, WebP, GIF, SVG…
- ✓Read in your browser — nothing uploaded
Who it's for
- Checking upload size limits
- Prepping images for the web
- Verifying photo dimensions
- Design and print prep
How it works
- 1Choose an image file.
- 2See its dimensions and size.
- 3Read the format and aspect ratio.
- 4Pick another anytime.
Frequently asked questions
Is my image uploaded?+
No. The file is read locally in your browser to measure it; it never leaves your device or reaches a server.
How do I check an image's dimensions?+
Pick the file here and the checker reports its width and height in pixels, along with the file size, format, aspect ratio and megapixels.
What formats work?+
Any image your browser can display — JPG, PNG, WebP, GIF, SVG, AVIF and more.
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