Header Editor Lite
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Overview
Modify the request, include request headers, response headers, redirect requests, and cancel requests.
It's 100% FREE, no ADs, no data collection.
If this extension does not have the language you want, you can help us translate this extension on Transifex:
https://www.transifex.com/sytec/header-editor/
A tool that help you to migrate from some similar extension to Header Editor:
https://migrate-to-he.firefoxcn.net/
Tags
Privacy Practices
✓
Not being sold to third parties, outside of the approved use cases
✓
Not being used or transferred for purposes that are unrelated to the item's core functionality
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Not being used or transferred to determine creditworthiness or for lending purposes
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Created from revision 3cde211b0c on 10/20/2025.