Modifly
ExtensionDeveloper Tools
Overview
Easily add and manage custom request headers for specific domains.
Modifly lets developers add, edit, enable, and disable custom HTTP request headers for specific websites. It’s useful for testing APIs, feature flags, authentication headers, and staging environments without changing application code. Rules are stored locally on your device and are never synced or sent to external servers. Site access is requested only for hostnames you configure. Header values remain unencrypted in your local Chrome profile, so avoid storing long-lived production credentials.
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Details
- Version0.1.0
- UpdatedJuly 25, 2026
- Size50.29KiB
- LanguagesEnglish
- Developer
Email
mic@tokju.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.
This developer declares that your data is
- 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
- Not being used or transferred to determine creditworthiness or for lending purposes