Show HN: Header Modifier Pro – A $19 pay-once alternative to Requestly

Category: devtools

Tags: browser-extension, http-headers, dnr, privacy, developer-tools

Score: 5.8/10 (Innovation: 4, Technical: 6, Documentation: 7, Utility: 6)

Headerly is a browser extension for managing HTTP request/response headers and Chrome DNR rules via reusable profiles. It offers a clean UI, shareable profiles, and privacy-focused design using declarativeNetRequest, making it a solid alternative to paid header modifiers.

Target audience: web developers, backend developers, frontend developers, devops

Repository: https://chromewebstore.google.com/detail/header-modifier-pro/onhbgdmpmjmpghendkimpdcbnhlioegd · Vue · MIT · 58 stars

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