Extensions by Name


JSChess Compatible with Firefox 57+

Chess Game WebExtension based on JavaScript chess library for chess move generation/validation and more by Mediamaster.eu

Rated 1 out of 5 stars (1)
19 users


creates a javadoc-like html file for each javascript file it processes

Not yet rated
9 users

jsfiddle Requires Restart

Not yet rated
48 users

JSFiddle / CodePen pour developpez.com

Intégration de JSFiddle et CodePen dans le forum developpez.net

Not yet rated
62 users

jsfiddle search Compatible with Firefox 57+

Indexes your jsfiddles and adds a search box to the left top of the "All your fiddles" dashboard

It will only index fiddles on the "All your fiddles" pages that you've visited

It wont crawl the pages, you will have to click though them yourself

Not yet rated
7 users

jsGuardian Compatible with Firefox 57+

A content filter for websites, emulating dansguardian.

It has a number of key words, which it tries to find on the web page. For each word found, a score is incremented. If a certain limit is passed, the page is blocked with a very simple message.

Not yet rated
249 users


A basic add-on

Rated 5 out of 5 stars (1)
4 users

JSLinter Requires Restart

Analyses all the Javascript files on a web page using JSLint.

Rated 5 out of 5 stars (1)
283 users

Jsmile Requires Restart

Расширение для FFFUUU смайлов вконтакте.

Not yet rated
12 users


Disable and enable JavaScript using a simple toolbar button.

Rated 4 out of 5 stars (18)
2,949 users

JSON Beautify It Compatible with Firefox 57+

Tool for beautifying JSON data, AJAX or API responses in browser

Not yet rated
19 users

JSON Diff View

Easily compare JSON objects. Highlight the differences using colours in a tree structure representing the diff.

Source code can be found at https://github.com/rafspiny/jsondiff/

Not yet rated
1,400 users

JSON Inspector

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

Not yet rated
338 users

JSON Lite Compatible with Firefox 57+

Fast JSON viewer - highlights, shows items count/size, handles large files

Rated 4 out of 5 stars (10)
5,415 users

JSON-DataView Requires Restart

Displays JSON data in a collapsible tree structure with syntax highlights.

Rated 5 out of 5 stars (12)
2,110 users


Click addon's icon to quick format JSON document with tabs and new lines.

Rated 4 out of 5 stars (8)
7,842 users


Provides JSON-RPC services for a page script.

Not yet rated
71 users


Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (42)
7,234 users

JSONRequest Requires Restart

Enables two-way data exchange with JSON data servers.

Rated 5 out of 5 stars (1)
1 user

JsonShow Requires Restart


Rated 5 out of 5 stars (8)
471 users