Favicon Generator - Free Offline Tool (No Upload)

Generate favicon.ico and PNG icons from any image in your browser. 100% offline - no upload, no account. Free.

No Upload 100% Private Free
You might also need:
Image Resizer Image Compressor Image Cropper EXIF Remover AVIF to PNG HEIC to JPG

Drop your image here

PNG, JPG, SVG, WebP — square images work best

Frequently asked questions

What sizes are generated?

16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 PNG files. Download each size you need.

Is this tool really offline?

Yes. Canvas API resizes your image locally. Nothing is uploaded.

What image size should I use as input?

At least 256x256 pixels, square. Larger source = sharper favicons at all sizes.