favicon-go

Favicon Generator

A command-line tool to generate all necessary favicon files for a website from a single input image.

Installation

First, make sure you have Go installed on your system. Then install the required dependencies:

go mod download

Then build the executable:

go build -o favicon-go

Usage

./favicon-go -input your-image.png [-output favicons]

Alternative install

go install https://github.com/naruebaet/favicon-go@latest

Usage by global install

favicon-go -input your-image.png [-output favicons]

Parameters

• -input: Required. Path to the input image (PNG, JPEG, etc.).
• -output: Optional. Directory where favicon files will be saved. Defaults to "favicons".

Generated Files

The tool generates:

• favicon.ico (16x16, 32x32, 48x48)
• PNG files in various sizes (16x16 to 512x512)
• apple-touch-icon.png
• android-chrome-192x192.png and android-chrome-512x512.png
• site.webmanifest
• browserconfig.xml

HTML Code

After generation, the tool will output HTML code that you should add to your website's <head> section to properly reference the favicon files.

Requirements

• Go 1.16 or later
• The input image should ideally be square and at least 512x512 pixels in size for best results.