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DevHeader: Custom Headers & Redirect Rules

Chrome extension by devheader.extension · Productivity · Developer

A Chrome extension in Productivity · Developer with 767 users, barely installed. Audience over the last 30 days: +97.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 6 screenshots

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

Users
767
Rating
5.0 (12 ratings)
Users, last 30 days
+97
Rating, last 30 days
Steady over 30 days
Version
0.14.0
Updated in the store
2026-09-22
Published
2026-07-15
Manifest
V3
Browser access
6 permissions

How it has moved

Users
+97 since 02.10
670-797 · 20 readings
  1. 2026-10-04693
  2. 2026-10-08704
  3. 2026-10-09716
  4. 2026-10-10724
  5. 2026-10-11713
  6. 2026-10-13728
  7. 2026-10-16748
  8. 2026-10-17749
  9. 2026-10-18761
  10. 2026-10-19764
  11. 2026-10-20768
  12. 2026-10-21774
  13. 2026-10-22767
  14. 2026-10-23775
  15. 2026-10-24790
  16. 2026-10-25797
  17. 2026-10-28784
  18. 2026-10-29780
  19. 2026-10-30782
  20. 2026-11-01767
Rating
unchanged since 02.10
reviewsrating 5.00 · 20 readings
  1. 2026-10-04reviews12rating5.00
  2. 2026-10-08reviews12rating5.00
  3. 2026-10-09reviews12rating5.00
  4. 2026-10-10reviews12rating5.00
  5. 2026-10-11reviews12rating5.00
  6. 2026-10-13reviews12rating5.00
  7. 2026-10-16reviews12rating5.00
  8. 2026-10-17reviews12rating5.00
  9. 2026-10-18reviews12rating5.00
  10. 2026-10-19reviews12rating5.00
  11. 2026-10-20reviews12rating5.00
  12. 2026-10-21reviews12rating5.00
  13. 2026-10-22reviews12rating5.00
  14. 2026-10-23reviews12rating5.00
  15. 2026-10-24reviews12rating5.00
  16. 2026-10-25reviews12rating5.00
  17. 2026-10-28reviews12rating5.00
  18. 2026-10-29reviews12rating5.00
  19. 2026-10-30reviews12rating5.00
  20. 2026-11-01reviews12rating5.00
Users
+301 since 31.08
466-797 · 35 readings
2026-09-04: released 0.10.02026-09-09: released 0.11.02026-09-11: released 0.13.02026-09-22: released 0.14.0
  1. 2026-08-31466
  2. 2026-09-03478
  3. 2026-09-04510released 0.10.0
  4. 2026-09-06515
  5. 2026-09-07521
  6. 2026-09-08524
  7. 2026-09-10536
  8. 2026-09-13538
  9. 2026-09-15553
  10. 2026-09-16604
  11. 2026-09-20664
  12. 2026-09-21685
  13. 2026-09-25684
  14. 2026-09-26671
  15. 2026-09-28670
  16. 2026-10-04693
  17. 2026-10-08704
  18. 2026-10-09716
  19. 2026-10-10724
  20. 2026-10-11713
  21. 2026-10-13728
  22. 2026-10-16748
  23. 2026-10-17749
  24. 2026-10-18761
  25. 2026-10-19764
  26. 2026-10-20768
  27. 2026-10-21774
  28. 2026-10-22767
  29. 2026-10-23775
  30. 2026-10-24790
  31. 2026-10-25797
  32. 2026-10-28784
  33. 2026-10-29780
  34. 2026-10-30782
  35. 2026-11-01767
Rating
unchanged since 31.08
reviewsrating 5.00 · 35 readings
2026-09-04: released 0.10.02026-09-09: released 0.11.02026-09-11: released 0.13.02026-09-22: released 0.14.0
  1. 2026-08-31reviews12rating5.00
  2. 2026-09-03reviews12rating5.00
  3. 2026-09-04reviews12rating5.00released 0.10.0
  4. 2026-09-06reviews12rating5.00
  5. 2026-09-07reviews12rating5.00
  6. 2026-09-08reviews12rating5.00
  7. 2026-09-10reviews12rating5.00
  8. 2026-09-13reviews12rating5.00
  9. 2026-09-15reviews12rating5.00
  10. 2026-09-16reviews12rating5.00
  11. 2026-09-20reviews12rating5.00
  12. 2026-09-21reviews12rating5.00
  13. 2026-09-25reviews12rating5.00
  14. 2026-09-26reviews12rating5.00
  15. 2026-09-28reviews12rating5.00
  16. 2026-10-04reviews12rating5.00
  17. 2026-10-08reviews12rating5.00
  18. 2026-10-09reviews12rating5.00
  19. 2026-10-10reviews12rating5.00
  20. 2026-10-11reviews12rating5.00
  21. 2026-10-13reviews12rating5.00
  22. 2026-10-16reviews12rating5.00
  23. 2026-10-17reviews12rating5.00
  24. 2026-10-18reviews12rating5.00
  25. 2026-10-19reviews12rating5.00
  26. 2026-10-20reviews12rating5.00
  27. 2026-10-21reviews12rating5.00
  28. 2026-10-22reviews12rating5.00
  29. 2026-10-23reviews12rating5.00
  30. 2026-10-24reviews12rating5.00
  31. 2026-10-25reviews12rating5.00
  32. 2026-10-28reviews12rating5.00
  33. 2026-10-29reviews12rating5.00
  34. 2026-10-30reviews12rating5.00
  35. 2026-11-01reviews12rating5.00

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Run its own code on the pages it can access scripting
  • Declares permissions
Show the remaining 3
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage
  • Declares userScripts

The full permission history for this extension

Version history

  1. Version 0.14.0
  2. Version 0.13.0
  3. Version 0.11.0
Show the remaining 1
  1. Version 0.10.0

What changed recently

  1. Package size changed
  2. Store description rewritten (120 → 124 characters)
  3. Released version 0.14.0 (was 0.13.0)
Show the remaining 8
  1. Package size changed
  2. Supported languages changed (1 → 30)
  3. Store description rewritten
  4. Released version 0.13.0 (was 0.11.0)
  5. Package size changed
  6. Released version 0.11.0 (was 0.10.0)
  7. Package size changed
  8. Released version 0.10.0 (was 0.9.0)

The publisher

devheader.extension.

Like this one

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

  1. Header & Response Modifier Describes nearly the same job, smaller audience 13 users
  2. ModHeader V1 Describes nearly the same job, smaller audience 2k users ★ 4.0
  3. Requestly: Intercept & Modify HTTP Requests Describes nearly the same job, with a large installed audience 300k users ★ 4.7
  4. Lazy Header Editor - Modify HTTP Headers Describes nearly the same job, smaller audience 204 users
  5. Header Modifier Describes nearly the same job, smaller audience 40 users

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

<a href="https://extops.dev/extensions/falemailopachkdjpnephlnlclpomfmb"><img src="https://extops.dev/extensions/falemailopachkdjpnephlnlclpomfmb/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built