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Mock Express - Modify, Mock & Intercept HTTP Requests Locally

Chrome extension by Anirudh · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 477 users, barely installed. Audience over the last 30 days: +28.

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

What the developer says, and 5 screenshots

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

Users
477
Rating
5.0 (10 ratings)
Users, last 30 days
+28
Rating, last 30 days
Steady over 30 days
Version
4.0.1
Updated in the store
2026-06-29
Published
2025-07-29
Manifest
V3
Browser access
7 permissions, 1 site pattern

How it has moved

Users
+28 since 01.10
449-477 · 18 readings
  1. 2026-10-05453
  2. 2026-10-08455
  3. 2026-10-09459
  4. 2026-10-11455
  5. 2026-10-13461
  6. 2026-10-16466
  7. 2026-10-17458
  8. 2026-10-20463
  9. 2026-10-21466
  10. 2026-10-22463
  11. 2026-10-23461
  12. 2026-10-24466
  13. 2026-10-25462
  14. 2026-10-26460
  15. 2026-10-28470
  16. 2026-10-29473
  17. 2026-10-30477
  18. 2026-10-31477
Rating
unchanged since 01.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-05reviews10rating5.00
  2. 2026-10-08reviews10rating5.00
  3. 2026-10-09reviews10rating5.00
  4. 2026-10-11reviews10rating5.00
  5. 2026-10-13reviews10rating5.00
  6. 2026-10-16reviews10rating5.00
  7. 2026-10-17reviews10rating5.00
  8. 2026-10-20reviews10rating5.00
  9. 2026-10-21reviews10rating5.00
  10. 2026-10-22reviews10rating5.00
  11. 2026-10-23reviews10rating5.00
  12. 2026-10-24reviews10rating5.00
  13. 2026-10-25reviews10rating5.00
  14. 2026-10-26reviews10rating5.00
  15. 2026-10-28reviews10rating5.00
  16. 2026-10-29reviews10rating5.00
  17. 2026-10-30reviews10rating5.00
  18. 2026-10-31reviews10rating5.00
Users
+55 since 01.09
422-477 · 31 readings
  1. 2026-09-01422
  2. 2026-09-03425
  3. 2026-09-04426
  4. 2026-09-06429
  5. 2026-09-07432
  6. 2026-09-09439
  7. 2026-09-13438
  8. 2026-09-15446
  9. 2026-09-16452
  10. 2026-09-21463
  11. 2026-09-25461
  12. 2026-09-27450
  13. 2026-09-28449
  14. 2026-10-05453
  15. 2026-10-08455
  16. 2026-10-09459
  17. 2026-10-11455
  18. 2026-10-13461
  19. 2026-10-16466
  20. 2026-10-17458
  21. 2026-10-20463
  22. 2026-10-21466
  23. 2026-10-22463
  24. 2026-10-23461
  25. 2026-10-24466
  26. 2026-10-25462
  27. 2026-10-26460
  28. 2026-10-28470
  29. 2026-10-29473
  30. 2026-10-30477
  31. 2026-10-31477
Rating
unchanged since 01.09
reviewsrating 5.00 · 31 readings
  1. 2026-09-01reviews10rating5.00
  2. 2026-09-03reviews10rating5.00
  3. 2026-09-04reviews10rating5.00
  4. 2026-09-06reviews10rating5.00
  5. 2026-09-07reviews10rating5.00
  6. 2026-09-09reviews10rating5.00
  7. 2026-09-13reviews10rating5.00
  8. 2026-09-15reviews10rating5.00
  9. 2026-09-16reviews10rating5.00
  10. 2026-09-21reviews10rating5.00
  11. 2026-09-25reviews10rating5.00
  12. 2026-09-27reviews10rating5.00
  13. 2026-09-28reviews10rating5.00
  14. 2026-10-05reviews10rating5.00
  15. 2026-10-08reviews10rating5.00
  16. 2026-10-09reviews10rating5.00
  17. 2026-10-11reviews10rating5.00
  18. 2026-10-13reviews10rating5.00
  19. 2026-10-16reviews10rating5.00
  20. 2026-10-17reviews10rating5.00
  21. 2026-10-20reviews10rating5.00
  22. 2026-10-21reviews10rating5.00
  23. 2026-10-22reviews10rating5.00
  24. 2026-10-23reviews10rating5.00
  25. 2026-10-24reviews10rating5.00
  26. 2026-10-25reviews10rating5.00
  27. 2026-10-26reviews10rating5.00
  28. 2026-10-28reviews10rating5.00
  29. 2026-10-29reviews10rating5.00
  30. 2026-10-30reviews10rating5.00
  31. 2026-10-31reviews10rating5.00

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.

  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
Show the remaining 4

The full permission history for this extension

What changed recently

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

The publisher

Anirudh. Listed website: mockexpress.com.

Like this one

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

  1. Mocktail: Mock API & Modify Requests Describes nearly the same job, smaller audience 17 users ★ 5.0
  2. Moq - Mock API Requests Describes nearly the same job, smaller audience 375 users ★ 5.0
  3. Mockadabra - API Mocking & Request Interceptor Describes nearly the same job, smaller audience 10 users
  4. Intercepta: modify and mock HTTP requests Describes nearly the same job, smaller audience 37 users ★ 5.0
  5. API Interceptor - Mock API Responses & Intercept HTTP Requests Describes nearly the same job, smaller audience 567 users ★ 5.0

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 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built