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Robots.txt Tester

Chrome extension by Robots Dev · Productivity · Developer

A Chrome extension in Productivity · Developer with 128 users, barely installed. Audience over the last 30 days: +12.

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

What the developer says, and 3 screenshots

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

Users
128
Rating
5.0 (1 ratings)
Users, last 30 days
+12
Rating, last 30 days
Steady over 30 days
Version
1.0.2
Updated in the store
2026-09-10
Published
2026-08-10
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+12 since 30.09
116-128 · 17 readings
  1. 2026-10-04125
  2. 2026-10-08122
  3. 2026-10-09121
  4. 2026-10-10122
  5. 2026-10-11121
  6. 2026-10-16121
  7. 2026-10-18120
  8. 2026-10-19125
  9. 2026-10-20121
  10. 2026-10-21119
  11. 2026-10-22117
  12. 2026-10-23120
  13. 2026-10-24119
  14. 2026-10-25116
  15. 2026-10-28123
  16. 2026-10-29124
  17. 2026-10-30128
Rating
unchanged since 30.09
reviewsrating 5.00 · 17 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-11reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-19reviews1rating5.00
  9. 2026-10-20reviews1rating5.00
  10. 2026-10-21reviews1rating5.00
  11. 2026-10-22reviews1rating5.00
  12. 2026-10-23reviews1rating5.00
  13. 2026-10-24reviews1rating5.00
  14. 2026-10-25reviews1rating5.00
  15. 2026-10-28reviews1rating5.00
  16. 2026-10-29reviews1rating5.00
  17. 2026-10-30reviews1rating5.00
Users
+96 since 01.09
32-128 · 33 readings
2026-09-10: released 1.0.2
  1. 2026-09-0132
  2. 2026-09-0336
  3. 2026-09-0447
  4. 2026-09-0554
  5. 2026-09-0658
  6. 2026-09-0765
  7. 2026-09-0880
  8. 2026-09-0988
  9. 2026-09-13100
  10. 2026-09-15104
  11. 2026-09-16109
  12. 2026-09-20117
  13. 2026-09-21114
  14. 2026-09-25123
  15. 2026-09-26121
  16. 2026-09-28116
  17. 2026-10-04125
  18. 2026-10-08122
  19. 2026-10-09121
  20. 2026-10-10122
  21. 2026-10-11121
  22. 2026-10-16121
  23. 2026-10-18120
  24. 2026-10-19125
  25. 2026-10-20121
  26. 2026-10-21119
  27. 2026-10-22117
  28. 2026-10-23120
  29. 2026-10-24119
  30. 2026-10-25116
  31. 2026-10-28123
  32. 2026-10-29124
  33. 2026-10-30128
Rating
+5.00 since 01.09
reviewsrating 0.00-5.00 · 33 readings
2026-09-10: released 1.0.2
  1. 2026-09-01reviews0rating0.00
  2. 2026-09-03reviews0rating0.00
  3. 2026-09-04reviews0rating0.00
  4. 2026-09-05reviews0rating0.00
  5. 2026-09-06reviews0rating0.00
  6. 2026-09-07reviews0rating0.00
  7. 2026-09-08reviews0rating0.00
  8. 2026-09-09reviews0rating0.00
  9. 2026-09-13reviews1rating5.00
  10. 2026-09-15reviews1rating5.00
  11. 2026-09-16reviews1rating5.00
  12. 2026-09-20reviews1rating5.00
  13. 2026-09-21reviews1rating5.00
  14. 2026-09-25reviews1rating5.00
  15. 2026-09-26reviews1rating5.00
  16. 2026-09-28reviews1rating5.00
  17. 2026-10-04reviews1rating5.00
  18. 2026-10-08reviews1rating5.00
  19. 2026-10-09reviews1rating5.00
  20. 2026-10-10reviews1rating5.00
  21. 2026-10-11reviews1rating5.00
  22. 2026-10-16reviews1rating5.00
  23. 2026-10-18reviews1rating5.00
  24. 2026-10-19reviews1rating5.00
  25. 2026-10-20reviews1rating5.00
  26. 2026-10-21reviews1rating5.00
  27. 2026-10-22reviews1rating5.00
  28. 2026-10-23reviews1rating5.00
  29. 2026-10-24reviews1rating5.00
  30. 2026-10-25reviews1rating5.00
  31. 2026-10-28reviews1rating5.00
  32. 2026-10-29reviews1rating5.00
  33. 2026-10-30reviews1rating5.00

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
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.0.2

What changed recently

  1. Package size changed
  2. Released version 1.0.2 (was 1.0.1)

The publisher

Robots Dev publishes 2 listings we track, 178 users between them.

  1. CSS Editor Robots Dev · Productivity · Developer · published 2026-09-20 50 users ★ 5.0

Like this one

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

  1. Robots.txt Checker Describes nearly the same job, smaller audience 12 users
  2. Live robots.txt Checker Describes nearly the same job, smaller audience 31 users ★ 5.0
  3. Robots.TXT Radar Describes nearly the same job, smaller audience 173 users
  4. Robots.txt Checker Describes nearly the same job, smaller audience 45 users
  5. Robots Disallow Checker Describes nearly the same job, smaller audience 21 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

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/epfmfdpdhdnigjpogbkcgljefnlmgdbp/badge.svg)](https://extops.dev/extensions/epfmfdpdhdnigjpogbkcgljefnlmgdbp)

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