Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Man in the Middle

Man in the Middle by Hoang

Modify requests, inject JavaScript and CSS into pages.

4.6 (17 reviews)4.6 (17 reviews)
107 Users107 Users
You'll need Firefox to use this extension
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
Use Blocking Rules to block or redirect requests.Use Header Rules to modify request and response headers.Headers can be modified using JavaScript.Use Response Rules to modify network responses.Use Content Scripts to inject JavaScript and CSS codes into pages.Content Scripts can even be injected to the extension's pages.
About this extension
Use cases:
- Block or redirect websites and requests;
- Add, modify or remove request headers;
- Modify request responses;
- Inject JavaScript into pages to make pages function as desired;
- Inject CSS into pages to style pages as desired.

Visit Man in the Middle on GitHub for more details.
Rated 4.6 by 17 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
15
4
0
3
0
2
1
1
1
Read all 17 reviews
Permissions and dataLearn more

Required permissions:

  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all web sites
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
3.5.3
Size
60.24 kB
Last updated
5 years ago (28 Sep 2020)
Related Categories
  • Web Development
  • Privacy & Security
  • Other
Licence
GNU General Public Licence v3.0 only
Version History
  • See all versions
Add to collection
Report this add-on
Release notes for 3.5.3
Supports local storage.
More extensions by Hoang
  • 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.