Free browser tool
Favicon Preview Online Free
Preview a logo at favicon sizes, compare crop and fit modes, then download the generated PNG, ICO and HTML snippet.
FREE favicon generator
Favicon Preview
Preview favicon output at small sizes before downloading the final generated icon files.
How to use this free tool
- 1
Upload a PNG, JPG or WEBP image.
- 2
Choose crop or fit and background handling.
- 3
Generate the favicon files, then download individual files or a ZIP.
Good uses
- Create favicons for a small website.
- Generate an Apple Touch Icon from a logo.
- Preview how a square icon source fits before downloading assets.
Limitations
- Transparent backgrounds are preserved only when the source format and output format support transparency.
- JPG sources do not contain transparency.
- The generated ICO contains PNG icon frames for modern browser support.
- Browser and platform behavior can vary, so test the generated favicon on your own site.
Are files uploaded to Cobalt Tools?
No. This tool runs in your browser. Selected files and generated output are not uploaded or stored by Cobalt Tools.
Is this tool free?
Yes. This Cobalt Tools browser utility is free to use.
Is this a live website favicon checker?
No. This page previews the image you upload before generating favicon files. It does not crawl another website.
Why does my icon look blurry at 16x16?
Very detailed logos often lose clarity at tiny sizes. Use a simple source image for the smallest favicon sizes.