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Preview of ModHeader

ModHeader by ModHeader

Add and modify the HTTP request headers and response headers.

Use ModHeader to:
- Add / modify request and response headers
- Add / modify cookies
- Multi-profile support
- Filtering based on URL, tab, or window
- Export and share profiles

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Screenshots
Add request / response header with autocomplete supportQuick profile switchingSupport for import and exporting profile, with automatic cloud backupConditional filter for request and response headerOverride any request and response header, like Access-Control-Allow-Origin, with a quick button to enable / disable, and a quick way to remove.Redirect one URL to another URL
About this extension
Add and modify the HTTP request headers and response headers.

What can ModHeader do?
  • Add, modify, and remove request and response headers
  • Use ModHeader to set
    X-Forwarded-For,
    Authorization,
    Access-Control-Allow-Origin, etc.)
  • Modify cookies in request / response header
  • Redirect URL with another
  • Enable header modification by URLs
  • Advanced filtering by tab, tab group, or window


ModHeader features
  • Add comments to header
  • One-click "undo" if you made a mistake
  • Multiple profile support
  • Quick switch between profiles
  • Export and import profile
  • Easily share your profiles with others
  • Customize autocomplete names and values
  • Dark mode support
  • Sorting headers and name, value, or comments
  • Append value to existing request or response header
  • Customizable profile badge
  • Clone profile
  • Cloud backup
  • ...and more!
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This add-on needs to:

  • Access your data for all websites
More information
Add-on Links
Version
4.0.21
Size
311.58 KB
Last updated
a month ago (Aug 31, 2022)
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License
All Rights Reserved
Privacy Policy
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Version History
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Release notes for 4.0.21
Support advanced content-security-policy modification
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