Man in the Middle
Modify requests, inject JavaScript and CSS into pages.
Man in the Middle Firefox Add-On
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
Weekly download count: 2
Firefox on Android: Yes
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- <all_urls>
- tabs
- storage
- unlimitedStorage
- webNavigation
- webRequest
- webRequestBlocking
Size: 61.68K
Email: da*****@gmail.com
URLs: Website
Ranking
Other platforms
Not available on Android
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
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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