Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Simple JavaScript Injector

Simple JavaScript Injector by Joel Perpetua

This addon creates a small popup that lets you paste some JS code and inject it into the page you are currently seeing.

3.7 (3 reviews)3.7 (3 reviews)
221 Users221 Users
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
This is an adaptation to Firefox version of the Chrome extension "JS injector" from Daniel Han.

Original source code:
https://github.com/hex0cter
https://github.com/hex0cter/js-injector
https://chrome.google.com/webstore/detail/javascript-injector/ejnccfcackblkelbafbolcpjfpcmbplg
Rated 3.7 by 3 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
2
4
0
3
0
2
0
1
1
Read all 3 reviews
Permissions and dataLearn more

Required permissions:

  • Access browser tabs
  • Access your data for all web sites
More information
Add-on Links
  • Support site
Version
1.1
Size
69.77 kB
Last updated
3 years ago (26 Dec 2022)
Related Categories
  • Web Development
  • Appearance
Licence
MIT License
Version History
  • See all versions
Tags
  • user scripts
Add to collection
Report this add-on
Release notes for 1.1
What's New:
- Added field to specify exact URL to which to match injection. (By default it is the current URL)

**Contribution by jojosoft**
More extensions by Joel Perpetua
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike Licence v3.0 or any later version.