Compare software

Cookie-EditorModHeader
Free

Free and open source under the GPL.

 Free

Free browser extension with no sign-up.

Browser extension Browser extension
  • Every cookie field is editable, with import and export as JSON
  • Works in Chrome, Firefox, Safari, Edge and Opera
  • Edits both request and response headers, including cookies
  • Filters rules by URL, tab or resource type
  • Exported cookie files are session credentials and must be handled carefully
  • Only affects traffic from the browser
  • Closed source
Browser extension Browser extension
Open source Closed source
License: GPL-3.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.