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Favicon Set Checker
Check a favicon set before publishing and see which standard sizes are covered.
Everything runs locally in your browser. Nothing is sent to the server.
Choose the icons you plan to publish, including .ico files.
Up to 50 files · common square sizes are highlighted
Favicon details
Choose favicon files to begin
The table will show dimensions and whether each file matches a common favicon size.
Highlighted sizes: 16, 32, 48, 180, 192, and 512 px.
Icons are inspected in your browser and are not uploaded.
What it does
Check a group of favicon files before adding them to a website. The table makes missing square dimensions and standard sizes visible at a glance, without uploading your assets.
How to use it
- Choose your favicon files.
- Check dimensions and standard-size coverage.
- Copy the tab-separated table if you need to share the check.
Tips
- Square icons are the safest default for favicons and app icons.
- 16, 32, and 48 px are common browser sizes; 180, 192, and 512 px are common device sizes.
- The checker reports dimensions only; it does not change your files.
FAQ
Are my icons uploaded?
No. Your browser reads each image locally.
Which sizes are highlighted?
The checker highlights 16, 32, 48, 180, 192, and 512 pixel square images.