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HTTP Header Inspector - Response Headers & Status Checker

Chrome extension by Devity · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 220 users, barely installed. Audience over the last 30 days: -4.

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
220
Rating
4.0 (1 ratings)
Users, last 30 days
-4
Rating, last 30 days
Steady over 30 days
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
-4 since 01.10
210-224 · 16 readings
  1. 2026-10-04216
  2. 2026-10-08213
  3. 2026-10-09214
  4. 2026-10-10213
  5. 2026-10-13215
  6. 2026-10-16210
  7. 2026-10-18213
  8. 2026-10-19217
  9. 2026-10-21220
  10. 2026-10-22222
  11. 2026-10-23219
  12. 2026-10-24218
  13. 2026-10-25214
  14. 2026-10-27216
  15. 2026-10-29220
  16. 2026-10-30220
Rating
unchanged since 01.10
reviewsrating 4.00 · 16 readings
  1. 2026-10-04reviews1rating4.00
  2. 2026-10-08reviews1rating4.00
  3. 2026-10-09reviews1rating4.00
  4. 2026-10-10reviews1rating4.00
  5. 2026-10-13reviews1rating4.00
  6. 2026-10-16reviews1rating4.00
  7. 2026-10-18reviews1rating4.00
  8. 2026-10-19reviews1rating4.00
  9. 2026-10-21reviews1rating4.00
  10. 2026-10-22reviews1rating4.00
  11. 2026-10-23reviews1rating4.00
  12. 2026-10-24reviews1rating4.00
  13. 2026-10-25reviews1rating4.00
  14. 2026-10-27reviews1rating4.00
  15. 2026-10-29reviews1rating4.00
  16. 2026-10-30reviews1rating4.00
Users
-9 since 01.09
210-235 · 29 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
  9. 2026-09-16220
  10. 2026-09-21220
  11. 2026-09-25217
  12. 2026-09-26221
  13. 2026-09-28224
  14. 2026-10-04216
  15. 2026-10-08213
  16. 2026-10-09214
  17. 2026-10-10213
  18. 2026-10-13215
  19. 2026-10-16210
  20. 2026-10-18213
  21. 2026-10-19217
  22. 2026-10-21220
  23. 2026-10-22222
  24. 2026-10-23219
  25. 2026-10-24218
  26. 2026-10-25214
  27. 2026-10-27216
  28. 2026-10-29220
  29. 2026-10-30220
Rating
unchanged since 01.09
reviewsrating 4.00 · 29 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
  9. 2026-09-16reviews1rating4.00
  10. 2026-09-21reviews1rating4.00
  11. 2026-09-25reviews1rating4.00
  12. 2026-09-26reviews1rating4.00
  13. 2026-09-28reviews1rating4.00
  14. 2026-10-04reviews1rating4.00
  15. 2026-10-08reviews1rating4.00
  16. 2026-10-09reviews1rating4.00
  17. 2026-10-10reviews1rating4.00
  18. 2026-10-13reviews1rating4.00
  19. 2026-10-16reviews1rating4.00
  20. 2026-10-18reviews1rating4.00
  21. 2026-10-19reviews1rating4.00
  22. 2026-10-21reviews1rating4.00
  23. 2026-10-22reviews1rating4.00
  24. 2026-10-23reviews1rating4.00
  25. 2026-10-24reviews1rating4.00
  26. 2026-10-25reviews1rating4.00
  27. 2026-10-27reviews1rating4.00
  28. 2026-10-29reviews1rating4.00
  29. 2026-10-30reviews1rating4.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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, 309 users between them. Listed website: devity.in.

  1. Text Encoder Pro - Base64, URL, Hex Encoding Tool Devity · Productivity · Developer · published 2025-07-20 71 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 4 users
Show 2 more from this publisher
  1. Data Scraper - Extract & Copy Devity · Productivity · Developer · published 2025-12-15 2 users (last published figure)
  2. Contextly Devity · Productivity · Tools · published 2026-08-14 2 users (last published figure)

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 755 users ★ 5.0
  2. HTTP Headers Inspector Describes nearly the same job, smaller audience 100 users
  3. HTTP Headers Describes nearly the same job, with an established audience 10k users ★ 4.3
  4. DeeCon Describes nearly the same job, smaller audience 21 users ★ 5.0
  5. HTTP Header Spy Describes nearly the same job, smaller audience 9k 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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built