Why favicons matter
A favicon is a small trust signal. It appears in browser tabs, bookmarks, search surfaces, directory listings, and saved links where tiny visual recognition matters.
Brand visibility tool
Free Favicon Checker
Preview how your startup favicon looks in tabs, bookmarks, directories, and browser surfaces.
favicon checkerfavicon preview toolwebsite icon checker
What to check
- 16px and 32px should still be recognizable
- Avoid tiny text inside the favicon
- Use a square icon with minimal padding
Icon preview
Favicon sizes
Your favicon preview will appear here.
Enter a domain to preview the same icon at browser tab, bookmark, and directory listing sizes.
What this checker shows
This tool finds declared icon tags and previews your favicon at common sizes so you can catch blurry, padded, or unreadable icons before users see them.
How this supports directory listings
Many directories pull your favicon or logo automatically. A crisp favicon makes your listing look more complete and trustworthy.
Step by step
How to use the Favicon Checker
Use this workflow to get more useful output from the tool and make the page stronger before you share, launch, or submit your startup to directories.
- 1
Enter one public website URL and run the favicon preview.
- 2
Review how the icon appears at 16px, 32px, 64px, 128px, and 256px.
- 3
Check whether the icon is recognizable in browser tabs and bookmarks.
- 4
Replace blurry or padded icons with a clean square favicon.
What to check before you move on
- ✓The 16px and 32px versions are recognizable.
- ✓The icon does not rely on tiny text.
- ✓The favicon has enough contrast on light and dark surfaces.
- ✓The site exposes proper icon links in the page head.
Common mistakes to avoid
- !Using a full logo wordmark as a favicon.
- !Leaving too much empty padding around the icon.
- !Uploading only one low-resolution icon.
- !Forgetting that directories may pull the favicon automatically.
SEO workflow
What to do after using this tool
A free tool can fix one part of your startup visibility stack. The bigger goal is to make your site easier to understand, easier to share, and easier to discover through search and trusted directory profiles.
Create a simple icon mark if the current favicon is not readable.
Check your Open Graph image and meta tags next.
Use the same visual identity across directory listings.
Submit to directories once your brand surfaces look polished.
Done-for-you option
Checked the SEO basics? Build the visibility layer next.
These free SEO tools help you clean up on-page signals. SubmitWell handles the off-page discovery work by manually listing your startup on relevant directories.
- Manual directory submissions for startup visibility
- Report with submitted links and screenshot proof
- Guaranteed DR growth options on paid plans
- 30-day money-back guarantee
Frequently asked questions
What favicon sizes should I check?+
Check at least 16px, 32px, 64px, 128px, and 256px. The 16px and 32px versions matter most for browser tabs.
Should my favicon include text?+
Usually no. Text becomes unreadable at small sizes. A simple mark or icon works better.
Can a favicon help SEO?+
It is not a direct ranking lever, but it improves brand recognition and trust in surfaces where your website appears.
More free startup tools
OG Image Checker
Enter any URL to fetch its Open Graph image and Twitter Card image. Preview how the social image appears before sharing on X, LinkedIn, Slack, and directories.
Meta Tag Checker
Enter any URL to fetch title tags, meta descriptions, Open Graph tags, Twitter Cards, canonical URLs, robots tags, and favicon links.
Open Graph Tag Generator
Fill in your page details to generate Open Graph and Twitter Card meta tags with live social preview cards and copy-ready HTML.