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Cornerstone Guide Creator

Chrome extension by EdCast · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 905 users, barely installed. Audience over the last 30 days: -13.

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
905
Rating
5.0 (15 ratings)
Users, last 30 days
-13
Rating, last 30 days
Steady over 30 days
Version
2026.2.8.1
Updated in the store
2026-10-23
Published
2018-06-27
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
-13 since 01.10
894-928 · 16 readings
2026-10-10: released 2026.2.82026-10-23: released 2026.2.8.1
  1. 2026-10-05901
  2. 2026-10-08910
  3. 2026-10-09917
  4. 2026-10-10928released 2026.2.8
  5. 2026-10-11923
  6. 2026-10-13920
  7. 2026-10-16909
  8. 2026-10-18894
  9. 2026-10-19896
  10. 2026-10-21904
  11. 2026-10-22920
  12. 2026-10-24900
  13. 2026-10-25898
  14. 2026-10-28910
  15. 2026-10-29905
  16. 2026-10-31905
Rating
unchanged since 01.10
reviewsrating 5.00 · 16 readings
2026-10-10: released 2026.2.82026-10-23: released 2026.2.8.1
  1. 2026-10-05reviews15rating5.00
  2. 2026-10-08reviews15rating5.00
  3. 2026-10-09reviews15rating5.00
  4. 2026-10-10reviews15rating5.00released 2026.2.8
  5. 2026-10-11reviews15rating5.00
  6. 2026-10-13reviews15rating5.00
  7. 2026-10-16reviews15rating5.00
  8. 2026-10-18reviews15rating5.00
  9. 2026-10-19reviews15rating5.00
  10. 2026-10-21reviews15rating5.00
  11. 2026-10-22reviews15rating5.00
  12. 2026-10-24reviews15rating5.00
  13. 2026-10-25reviews15rating5.00
  14. 2026-10-28reviews15rating5.00
  15. 2026-10-29reviews15rating5.00
  16. 2026-10-31reviews15rating5.00
Users
-12 since 01.09
894-938 · 30 readings
2026-09-07: released 2026.2.62026-09-19: released 2026.2.72026-10-10: released 2026.2.82026-10-23: released 2026.2.8.1
  1. 2026-09-01917
  2. 2026-09-03929
  3. 2026-09-04925
  4. 2026-09-05930
  5. 2026-09-06932
  6. 2026-09-08923
  7. 2026-09-09938
  8. 2026-09-13932
  9. 2026-09-15937
  10. 2026-09-16925
  11. 2026-09-20930
  12. 2026-09-22935
  13. 2026-09-25928
  14. 2026-09-26918
  15. 2026-10-05901
  16. 2026-10-08910
  17. 2026-10-09917
  18. 2026-10-10928released 2026.2.8
  19. 2026-10-11923
  20. 2026-10-13920
  21. 2026-10-16909
  22. 2026-10-18894
  23. 2026-10-19896
  24. 2026-10-21904
  25. 2026-10-22920
  26. 2026-10-24900
  27. 2026-10-25898
  28. 2026-10-28910
  29. 2026-10-29905
  30. 2026-10-31905
Rating
unchanged since 01.09
reviewsrating 5.00 · 30 readings
2026-09-07: released 2026.2.62026-09-19: released 2026.2.72026-10-10: released 2026.2.82026-10-23: released 2026.2.8.1
  1. 2026-09-01reviews15rating5.00
  2. 2026-09-03reviews15rating5.00
  3. 2026-09-04reviews15rating5.00
  4. 2026-09-05reviews15rating5.00
  5. 2026-09-06reviews15rating5.00
  6. 2026-09-08reviews15rating5.00
  7. 2026-09-09reviews15rating5.00
  8. 2026-09-13reviews15rating5.00
  9. 2026-09-15reviews15rating5.00
  10. 2026-09-16reviews15rating5.00
  11. 2026-09-20reviews15rating5.00
  12. 2026-09-22reviews15rating5.00
  13. 2026-09-25reviews15rating5.00
  14. 2026-09-26reviews15rating5.00
  15. 2026-10-05reviews15rating5.00
  16. 2026-10-08reviews15rating5.00
  17. 2026-10-09reviews15rating5.00
  18. 2026-10-10reviews15rating5.00released 2026.2.8
  19. 2026-10-11reviews15rating5.00
  20. 2026-10-13reviews15rating5.00
  21. 2026-10-16reviews15rating5.00
  22. 2026-10-18reviews15rating5.00
  23. 2026-10-19reviews15rating5.00
  24. 2026-10-21reviews15rating5.00
  25. 2026-10-22reviews15rating5.00
  26. 2026-10-24reviews15rating5.00
  27. 2026-10-25reviews15rating5.00
  28. 2026-10-28reviews15rating5.00
  29. 2026-10-29reviews15rating5.00
  30. 2026-10-31reviews15rating5.00

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.

  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2026.2.8.1
  2. Version 2026.2.8
  3. Version 2026.2.7
Show the remaining 1
  1. Version 2026.2.6

What changed recently

  1. Released version 2026.2.8.1 (was 2026.2.8)
  2. Released version 2026.2.8 (was 2026.2.7)
  3. Package size changed
Show the remaining 2
  1. Released version 2026.2.7 (was 2026.2.6)
  2. Released version 2026.2.6 (was 2026.2.5)

The publisher

EdCast publishes 2 listings we track, 31k users between them.

  1. Cornerstone Guide Player EdCast · Productivity · Workflow · published 2016-11-15 30k users ★ 5.0

Like this one

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

  1. GuideDemo Describes nearly the same job, smaller audience 4 users ★ 5.0
  2. secondz - Generate user guide in seconds Describes nearly the same job, smaller audience 983 users ★ 5.0
  3. SubPage StepGuides Describes nearly the same job, smaller audience 16 users
  4. Guide Clicks | Automate user guides Describes nearly the same job, smaller audience 22 users ★ 5.0
  5. Appmentor Builder Describes nearly the same job, smaller audience 7 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

<a href="https://extops.dev/extensions/lbhpijbhnnpcobofdieiocbphkdjjbef"><img src="https://extops.dev/extensions/lbhpijbhnnpcobofdieiocbphkdjjbef/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built