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What it does
- Shows file size and resolution (width × height)
- Gives rough hints about compression / optimization room
- Helps you decide between PNG / JPEG / WebP (if supported by the tool)
- Browser-only, no storage
Use this when
- You want to ensure images aren’t too heavy before posting
- Your site feels slow due to large images
- You’re unsure if PNG should be JPEG/WebP instead
Keywords: image optimization, compression ratio, PNG vs JPEG vs WebP, image size checker
How to use
- Open the tool
- Select an image (or drag & drop)
- Read the results (size, resolution, format hints)
Tip: compare the same image exported as PNG/JPEG/WebP and decide with numbers.
Notes (limits)
- “Best” depends on your use case (photo, illustration, transparency). Use hints as guidance.
- The tool may inspect only; it might not re-compress/convert (depending on implementation).
- It cannot judge subjective visual quality.
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