fancyBox is a tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages. It is built on the top of the popular JavaScript framework jQuery and is both easy to implement and a snap to cus

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3.0.16 years ago9 years agoMinified + gzip package size for fancybox in KB


fancyBox (deprecated)
WARNING: This fork is deprecated. Please head over to for the official version
fancyBox is a tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages.
More information and examples:
Copyright (c) 2012 Janis Skarnelis -

Npm specific

\\ NOTE: I didn't realize npm's limitations on versioning. They only allow three numbers. At first I was aiming to keep the versioning equal to fancybox's, but this is no longer possible without deleting the repo and starting over. You can find the fancybox version this repo uses in either package.json's "original-version" property, or in a browser console by running: $.fancybox.version.
npm install fancybox --save-dev

Example usage
// home.html
<div class="fancybox-me"><h2>Ain't this a fancy box?</h2></div>

// main.js (1)
var $ = require('jquery');
require('fancybox')($); <------- (2)

$(document).ready(function() {
(1) Make sure your html file is referencing the browserified version of your javascript.
(2) This is where fancybox attaches itself to the jquery object.
Please visit the official site for more info. Their official github repository can also be found here.

New structure of asset files (css/img/scss)

When turning this into an npm module I decided to standardize the structure a bit. Before fancybox relied on all asset files residing in the same directory. Now if you were to reference the css directly, it expects the images to be relatively located at the '../img' directory. For those unfamiliar, this structure makes more sense because css files should be all concatenated and minified while images won't be. This means typically you'll want your css in a separate folder. However, if this doesn't work with your existing structure then you'll have to change the paths manually. If you opt to reference the scss instead of the css file, then you have the option of modifying the sass variable '$fancybox-image-url' to match your image folder path. By default this path will be set to '../img'. (Note the lack of a trailing slash)
Note: Below is the previous documentation as seen on their official github repository

How to use

To get started, download the plugin, unzip it and copy files to your website/application directory. Load files in the section of your HTML document. Make sure you also add the jQuery library.
    <script type="text/javascript" src=""></script>
    <link rel="stylesheet" href="/fancybox/jquery.fancybox.css" type="text/css" media="screen" />
    <script type="text/javascript" src="/fancybox/jquery.fancybox.pack.js"></script>
Create your links with a title if you want a title to be shown, and add a class:
<a href="large_image.jpg" class="fancybox" title="Sample title"><img src="small_image.jpg" /></a>
If you have a set of related items that you would like to group, additionally include a group name in the rel (or data-fancybox-group) attribute:
<a href="large_1.jpg" class="fancybox" rel="gallery" title="Sample title 1"><img src="small_1.jpg" /></a>
<a href="large_2.jpg" class="fancybox" rel="gallery" title="Sample title 1"><img src="small_2.jpg" /></a>
Initialise the script like this:
    $(document).ready(function() {
May also be passed an optional options object which will extend the default values. Example:
    $(document).ready(function() {
            padding : 0,
            openEffect  : 'elastic'
Tip: Automatically group and apply fancyBox to all images:
$("a[href$='.jpg'],a[href$='.jpeg'],a[href$='.png'],a[href$='.gif']").attr('rel', 'gallery').fancybox();
Script uses the href attribute of the matched elements to obtain the location of the content and to figure out content type you want to display. You can specify type directly by adding classname (fancybox.image, fancybox.iframe, etc) or data-fancybox-type attribute:
<a href="/example.html" class="fancybox fancybox.ajax">Example</a>
<a href="/example.html" class="fancybox" data-fancybox-type="ajax">Example</a>

<a href="example.html" class="fancybox fancybox.iframe">Example</a>

//Inline (will display an element with `id="example"`)
<a href="#example" class="fancybox">Example</a>

<a href="example.swf" class="fancybox">Example</a>

<a href="example.jpg" class="fancybox">Example</a>
Note, ajax requests are subject to the same origin policy. If fancyBox will not be able to get content type, it will try to guess based on 'href' and will quit silently if would not succeed. (this is different from previsous versions where 'ajax' was used as default type or an error message was displayed).



Helpers provide a simple mechanism to extend the capabilities of fancyBox. There are two built-in helpers - 'overlay' and 'title'. You can disable them, set custom options or enable other helpers. Examples:
//Disable title helper
    helpers:  {
        title:  null

//Disable overlay helper
    helpers:  {
        overlay : null

//Change title position and overlay color
    helpers:  {
        title : {
            type : 'inside'
        overlay : {
            css : {
                'background' : 'rgba(255,255,255,0.5)'

//Enable thumbnail helper and set custom options
    helpers:  {
        thumbs : {
            width: 50,
            height: 50


Also available are event driven callback methods. The this keyword refers to the current or upcoming object (depends on callback method). Here is how you can change title:
    beforeLoad : function() {
        this.title = 'Image ' + (this.index + 1) + ' of ' + + (this.title ? ' - ' + this.title : '');

            "this.element" refers to current element, so you can, for example, use the "alt" attribute of the image to store the title:
            this.title = $(this.element).find('img').attr('alt');
It`s possible to open fancyBox programmatically in various ways:
//HTML content:
$.fancybox( '<div><h1>Lorem Lipsum</h1><p>Lorem lipsum</p></div>', {
    title : 'Custom Title'

//DOM element:
$.fancybox( $("#inline"), {
    title : 'Custom Title'

//Custom object:
    href: 'example.jpg',
    title : 'Custom Title'

//Array of objects:
        href: 'example1.jpg',
        title : 'Custom Title 1'
        href: 'example2.jpg',
        title : 'Custom Title 2'
], {
    padding: 0
There are several methods that allow you to interact with and manipulate fancyBox, example:
//Close fancybox:
There is a simply way to access wrapping elements using JS:
You can override CSS to customize the look. For example, make navigation arrows always visible, change width and move them outside of area (use this snippet after including fancybox.css):
.fancybox-nav span {
    visibility: visible;

.fancybox-nav {
    width: 80px;

.fancybox-prev {
    left: -80px;

.fancybox-next {
    right: -80px;
In that case, you might want to increase space around box:
    margin : [20, 60, 20, 60]

Bug tracker

Have a bug? Please create an issue on GitHub at