Man in the Middle

Modify requests, inject JavaScript and CSS into pages.
What is Man in the Middle?
Man in the Middle is a Firefox add-on that allows users to modify requests, inject JavaScript and CSS into pages. It can be used to block or redirect websites and requests, add or modify request headers, modify request responses, and inject code to make pages function or style pages as desired.

Add-on stats

By: Hoang
Users: 154 ▼ -1
Rating: 4.59 (17)
Version: 3.5.3 (Last updated: 2020-09-28)
Creation date: 2018-01-25
Weekly download count: 4
Firefox on Android: Yes
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • <all_urls>
  • tabs
  • storage
  • unlimitedStorage
  • webNavigation
  • webRequest
  • webRequestBlocking
Size: 61.68K
URLs: Website

Other platforms

Man in the Middle (v3.2.2)
5.00 (1) 789
Not available on Edge
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Add-on summary

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.

User reviews

by pscybe, 2023-06-25
View all user reviews

Add-on safety

Risk impact

Man in the Middle requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Man in the Middle has earned a fairly good reputation and likely can be trusted.

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