Favicon Size Checker
Check icon dimensions for favicon use.
Keep or share the finished result
Copy or share after running the tool. Saved tools and settings stay in this browser.
What would you like to do next?
Check favicon size
Favicons and site icons need simple artwork that still reads at very small sizes. Enter image width and height to check square shape and common icon dimensions. It is useful for brand QA, browser icons, app icons, website launches and design handoff.
Small icon readiness
Use a square source and test how the mark looks when reduced to favicon size.
Frequently asked questions
Should a favicon be square?
Yes. Square artwork is the safest source for favicons and site icons.
What sizes are common?
Common sizes include 16, 32, 48, 180, 192 and 512 px.
Does this inspect an uploaded image?
No. Enter the dimensions from your image editor or asset export.