Image Size Checker
Inspect image dimensions, file size, format, dominant color palette and individual pixels easily online.
Dimensions
Aspect Ratio
Drag & drop your image here
Supports PNG, JPG, WebP, GIF, SVG up to 25MB
Move cursor over image to inspect pixels & colors.
Dominant Colors
Image Metrics
Instant Pixel Dimensions
Find exact width and height (pixels) of any JPG, PNG, WebP, SVG, or GIF image instantly without uploading to remote servers.
File Weight & Format Check
Inspect file size in Bytes, KB, or MB, verify MIME types, and calculate aspect ratio (16:9, 4:3, 1:1) accurately.
Palette & Color Inspector
Extract the top 5 dominant colors and use the interactive pixel magnifier tool to inspect exact HEX & RGB codes.
How to Check Image Dimensions & File Size Online?
Checking image dimensions and file size is crucial before uploading graphics to an e-commerce website or social media platform. Follow these 3 simple steps:
- Upload or Drag & Drop: Choose your photo from your computer or phone, or simply drag and drop it into the box above.
- Instant Analysis: Our tool reads the raw metadata client-side in milliseconds, displaying exact width, height, aspect ratio, and file weight.
- Inspect Pixels & Colors: Hover over any area of your image to view zoomed-in pixels and copy color HEX codes with one click.
Why Image Size & Dimension Optimization Matters for Website SEO
Large, unoptimized images are the #1 cause of slow web page loading speeds. According to Google Core Web Vitals guidelines, fast-loading images boost your search engine ranking (SEO) and reduce bounce rates for online stores.
E-Commerce Product Images
Recommended size: 800x800 px to 1200x1200 px (under 200 KB) for crystal-clear clarity without slowing down page load.
Website Banners & Hero Sections
Recommended size: 1920x1080 px (WebP format, under 350 KB) for high-resolution desktop displays.
Frequently Asked Questions (FAQ)
Is my uploaded photo safe and private? ▾
Yes, 100%! All image inspection and processing happens directly inside your web browser (client-side). Your photos are never uploaded or stored on any external server.
What image formats are supported? ▾
Our tool supports all standard modern formats including JPG, JPEG, PNG, WebP, GIF, SVG, and BMP.
How do I convert pixel dimensions to centimeters or inches? ▾
At standard web resolution (72 DPI), 1 inch equals 72 pixels (or 28.35 pixels per cm). At print quality (300 DPI), 1 inch equals 300 pixels (or 118.11 pixels per cm).
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