Observed arrival · 2026-11-05
ProperHeader, a header editor you can inspect
A Chromium browser extension for changing request and response headers, redirecting URLs, and overriding web files.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers debugging web requests
- Worth noticing
- The site lists the v1.2.1 package as 60 KB and about 1,900 lines of unminified code.
Field notes
Profiles group rules such as header edits, redirects, or file overrides, and the toolbar badge indicates which profile is active. The feature list separates free request-header editing from Pro response-header changes, URL filters, redirects, and overrides. The page also exposes a manifest excerpt and a five-minute audit guide; its privacy and code-size figures are maker-provided claims.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue