e-Toolbox日本語
Period CalculatorBase ConverterQR Code GeneratorUUID GeneratorPassword GeneratorHash GeneratorImage ResizerImage GrayscaleImage BinarizerExif ViewerJSON FormatterColor PickerImage Color PickerURL EncoderBase64 ConverterUnix TimestampFavicon Generator3D Model ViewerVRM ViewerFunction PlotterStatistics CalculatorLinear RegressionDistribution SimulatorCharacter CounterText Diff CheckerRegex TesterBMI CalculatorBSA CalculatorBMR Calculator

Favicon Generator

Create favicon.ico files from images for your website

Supported formats: JPEG, PNG, WebP, GIF, BMP

Recommended: Square image (256x256px or larger)

How to Use
  1. Click "Select Image" to upload a square image
  2. Choose the favicon sizes you need (Basic Set recommended)
  3. Click "Generate Favicon" to create the ICO file
  4. Click "Download favicon.ico" to save
  5. Place it in your website's root directory or reference it in your HTML head tag

* All processing is done in your browser. No images are uploaded to any server.

About this tool

The Favicon Generator turns a PNG image into a multi-resolution favicon.ico file ready for the browser tab. Generation is instant and the source image never leaves your device.

Common use cases

  • Brand a new website, blog, or personal portfolio with a custom tab icon.
  • Replace the default Next.js, WordPress, or framework favicon during launch.
  • Build a quick favicon for an internal tool or staging environment.
  • Update an aging favicon as part of a visual refresh or rebrand.