CWS Image Validator
Upload an image to check whether it meets Chrome Web Store requirements. Validates dimensions, format, and file size — entirely in your browser.
Drop your image here or click to browse
PNG, JPEG, or any image format
Accepted CWS Image Sizes
128×128Extension icon (store)
48×48Extension icon (management)
32×32Extension icon (Windows)
16×16Extension icon (toolbar)
1280×800Screenshot
640×400Screenshot (small)
440×280Small promo tile
920×680Large promo tile
1400×560Marquee promo tile
Need to create or resize your store assets?
Open Full CWS Kit