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what is favico.js fr?

ejci/favico.js — explained in plain English

Analysis updated 2026-06-24

★ 8,692JavaScriptAudience · developerComplexity · 2/5LicenseSetup · easy

tl;dr

JavaScript library that adds notification badges, custom images, or live video to your browser tab's tiny favicon icon so users see updates without switching tabs.

vibe map

mindmap
  root((favico.js))
    What it does
      Badge on tab icon
      Image in favicon
      Video in favicon
    Features
      Font icon support
      Badge position config
      Large number support
    Browser Support
      Chrome supported
      Firefox supported
      Safari not supported
    Use Cases
      Unread message count
      Live status indicator

Code map

Detail Auto

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filefunction / class

what do people make with this?

VIBE 1

Show an unread message count badge on the browser tab icon

VIBE 2

Display a notification number on the favicon without a push notification

VIBE 3

Add a FontAwesome icon to the favicon for visual status indicators

VIBE 4

Stream live webcam video into the browser tab favicon

what's the stack?

JavaScript

how it stacks up fr

ejci/favico.jsadrai/flowchart.jsjquense/react-big-calendar
Stars8,6928,6928,689
LanguageJavaScriptJavaScriptJavaScript
Setup difficultyeasyeasymoderate
Complexity2/52/52/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · easy time til it works · 5min

Does not work in Safari or Internet Explorer/Edge, only Chrome, Firefox, and Opera are supported.

Dual-licensed under GPL and MIT, you can choose to use it under the permissive MIT license, which allows any use with attribution.

in plain english

Favico.js is a JavaScript library that lets you add badges, images, or video to your website's favicon, which is the small icon that appears in the browser tab. The most common use case is showing a notification count, like the number of unread messages, directly on the tab icon so users can see it without switching to the tab. The README is sparse and does not include usage examples, pointing instead to the project's demo page for more detail. The changelog shows a history of features added over time: support for badge numbers larger than 9 and then larger than 999, font icon support (such as FontAwesome icons), webcam video in the favicon, configurable badge positions and font options, and various performance improvements. Browser support is limited. Chrome, Firefox, and Opera are listed as supported. Internet Explorer, Edge, and Safari are not, with the README noting that Safari hides favicons entirely. The library is dual-licensed under GPL and MIT.

prompts (copy fr)

prompt 1
Add a red notification badge with the number 5 to my site's favicon using favico.js.
prompt 2
How do I update the favicon badge count dynamically as new messages arrive using favico.js?
prompt 3
Show me how to reset the favico.js badge back to the default favicon when notifications are cleared.
prompt 4
How do I change the badge position and font color in favico.js?
prompt 5
Set up a favicon badge counter in my vanilla JavaScript app using favico.js, no framework.

Frequently asked questions

what is favico.js fr?

JavaScript library that adds notification badges, custom images, or live video to your browser tab's tiny favicon icon so users see updates without switching tabs.

What language is favico.js written in?

Mainly JavaScript. The stack also includes JavaScript.

What license does favico.js use?

Dual-licensed under GPL and MIT, you can choose to use it under the permissive MIT license, which allows any use with attribution.

How hard is favico.js to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is favico.js for?

Mainly developer.

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