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HTTP Header Inspector - Response Headers & Status Checker

Chrome extension by Devity · Productivity · Developer

A Chrome extension in Productivity · Developer with 230 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
230
Rating
4.0 (1 ratings)
Users, last 15 days
+1
Rating, last 30 days
Not watched long enough to say
Version
1.1.0
Updated in the store
2026-08-12
Published
2025-07-22
Manifest
V3
Browser access
2 permissions, 1 site pattern

How it has moved

Users
+1 since 01.09
225-235 · 8 readings
  1. 2026-09-01229
  2. 2026-09-02228
  3. 2026-09-04225
  4. 2026-09-06227
  5. 2026-09-08230
  6. 2026-09-09235
  7. 2026-09-13234
  8. 2026-09-15230
Rating
unchanged since 01.09
reviewsrating 4.00 · 8 readings
  1. 2026-09-01reviews1rating4.00
  2. 2026-09-02reviews1rating4.00
  3. 2026-09-04reviews1rating4.00
  4. 2026-09-06reviews1rating4.00
  5. 2026-09-08reviews1rating4.00
  6. 2026-09-09reviews1rating4.00
  7. 2026-09-13reviews1rating4.00
  8. 2026-09-15reviews1rating4.00
Users
+1 since 01.09
225-235 · 8 readings
  1. 2026-09-01229
  2. 2026-09-02228
  3. 2026-09-04225
  4. 2026-09-06227
  5. 2026-09-08230
  6. 2026-09-09235
  7. 2026-09-13234
  8. 2026-09-15230
Rating
unchanged since 01.09
reviewsrating 4.00 · 8 readings
  1. 2026-09-01reviews1rating4.00
  2. 2026-09-02reviews1rating4.00
  3. 2026-09-04reviews1rating4.00
  4. 2026-09-06reviews1rating4.00
  5. 2026-09-08reviews1rating4.00
  6. 2026-09-09reviews1rating4.00
  7. 2026-09-13reviews1rating4.00
  8. 2026-09-15reviews1rating4.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Watch the network requests your browser makes webRequest
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Devity publishes 6 listings we track, 320 users between them. Listed website: devity.in.

  1. Text Encoder Pro - Base64, URL, Hex Encoding Tool Devity · Productivity · Developer · published 2025-07-20 69 users
  2. Dev Color Guide Extension Devity · Productivity · Developer · published 2022-05-30 10 users ★ 5.0
  3. Focus Feed - Hide Distractions Devity · Make Chrome Yours · Functionality · published 2026-05-26 5 users
Show 2 more from this publisher
  1. Data Scraper - Extract & Copy Devity · Productivity · Developer · published 2025-12-15 3 users
  2. Contextly Devity · Productivity · Tools · published 2026-08-14 3 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. HTTP Header Spy Describes nearly the same job, smaller audience 718 users ★ 5.0
  2. HTTP Headers Inspector Describes nearly the same job, smaller audience 84 users
  3. HTTP Headers Describes nearly the same job, with an established audience 10k users ★ 4.6
  4. DeeCon Describes nearly the same job, smaller audience 15 users
  5. HTTP Header Spy Describes nearly the same job, smaller audience 8k users ★ 3.8

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.