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Developer Utilities · Free tool

Image Dimensions Checker

Drop any image to see its exact pixel width, height, aspect ratio, and file size. Everything stays in your browser.

Updated April 2026

What it does

Drop any image and see pixel width, pixel height, aspect ratio, and file size — instantly, in your browser, no upload. Supports JPG, PNG, GIF, WebP, AVIF, and SVG. Great for checking whether an image meets a platform's size requirements before posting.

For platform specs, social media image sizes. For resizing, image resizer. For shrinking a file, image compressor.

How to use it

  1. Drop one or more images into the dropzone.
  2. Read width, height, aspect ratio, and file size in the table.
  3. Click any image to open a larger preview.
  4. Copy the dimensions line for your tracker or ticket.