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UI Builder – Mockup Tool

Chrome extension by ValmisLab · Productivity · Tools

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Tools with 811 users, barely installed. Audience over the last 30 days: -35.

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

What the developer says, and 5 screenshots

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

Users
811
Rating
5.0 (11 ratings)
Users, last 30 days
-35
Rating, last 30 days
Steady over 30 days
Version
1.2.1
Updated in the store
2025-08-08
Published
2025-04-30
Manifest
V3
Browser access
4 permissions

How it has moved

Users
-35 since 03.10
811-867 · 18 readings
  1. 2026-10-05839
  2. 2026-10-08850
  3. 2026-10-09856
  4. 2026-10-10859
  5. 2026-10-11853
  6. 2026-10-13859
  7. 2026-10-16856
  8. 2026-10-17858
  9. 2026-10-18865
  10. 2026-10-19867
  11. 2026-10-21863
  12. 2026-10-23843
  13. 2026-10-24838
  14. 2026-10-25830
  15. 2026-10-28840
  16. 2026-10-29834
  17. 2026-11-01811
  18. 2026-11-02811
Rating
unchanged since 03.10
reviewsrating 5.00 · 18 readings
  1. 2026-10-05reviews11rating5.00
  2. 2026-10-08reviews11rating5.00
  3. 2026-10-09reviews11rating5.00
  4. 2026-10-10reviews11rating5.00
  5. 2026-10-11reviews11rating5.00
  6. 2026-10-13reviews11rating5.00
  7. 2026-10-16reviews11rating5.00
  8. 2026-10-17reviews11rating5.00
  9. 2026-10-18reviews11rating5.00
  10. 2026-10-19reviews11rating5.00
  11. 2026-10-21reviews11rating5.00
  12. 2026-10-23reviews11rating5.00
  13. 2026-10-24reviews11rating5.00
  14. 2026-10-25reviews11rating5.00
  15. 2026-10-28reviews11rating5.00
  16. 2026-10-29reviews11rating5.00
  17. 2026-11-01reviews11rating5.00
  18. 2026-11-02reviews11rating5.00
Users
-30 since 01.09
811-867 · 32 readings
  1. 2026-09-01841
  2. 2026-09-02850
  3. 2026-09-04838
  4. 2026-09-06843
  5. 2026-09-08848
  6. 2026-09-10847
  7. 2026-09-13828
  8. 2026-09-15845
  9. 2026-09-16846
  10. 2026-09-20841
  11. 2026-09-21846
  12. 2026-09-25864
  13. 2026-09-27859
  14. 2026-09-28846
  15. 2026-10-05839
  16. 2026-10-08850
  17. 2026-10-09856
  18. 2026-10-10859
  19. 2026-10-11853
  20. 2026-10-13859
  21. 2026-10-16856
  22. 2026-10-17858
  23. 2026-10-18865
  24. 2026-10-19867
  25. 2026-10-21863
  26. 2026-10-23843
  27. 2026-10-24838
  28. 2026-10-25830
  29. 2026-10-28840
  30. 2026-10-29834
  31. 2026-11-01811
  32. 2026-11-02811
Rating
unchanged since 01.09
reviewsrating 5.00 · 32 readings
  1. 2026-09-01reviews11rating5.00
  2. 2026-09-02reviews11rating5.00
  3. 2026-09-04reviews11rating5.00
  4. 2026-09-06reviews11rating5.00
  5. 2026-09-08reviews11rating5.00
  6. 2026-09-10reviews11rating5.00
  7. 2026-09-13reviews11rating5.00
  8. 2026-09-15reviews11rating5.00
  9. 2026-09-16reviews11rating5.00
  10. 2026-09-20reviews11rating5.00
  11. 2026-09-21reviews11rating5.00
  12. 2026-09-25reviews11rating5.00
  13. 2026-09-27reviews11rating5.00
  14. 2026-09-28reviews11rating5.00
  15. 2026-10-05reviews11rating5.00
  16. 2026-10-08reviews11rating5.00
  17. 2026-10-09reviews11rating5.00
  18. 2026-10-10reviews11rating5.00
  19. 2026-10-11reviews11rating5.00
  20. 2026-10-13reviews11rating5.00
  21. 2026-10-16reviews11rating5.00
  22. 2026-10-17reviews11rating5.00
  23. 2026-10-18reviews11rating5.00
  24. 2026-10-19reviews11rating5.00
  25. 2026-10-21reviews11rating5.00
  26. 2026-10-23reviews11rating5.00
  27. 2026-10-24reviews11rating5.00
  28. 2026-10-25reviews11rating5.00
  29. 2026-10-28reviews11rating5.00
  30. 2026-10-29reviews11rating5.00
  31. 2026-11-01reviews11rating5.00
  32. 2026-11-02reviews11rating5.00

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.

Show the remaining 1
  • 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

ValmisLab publishes 3 listings we track, 15k users between them. Listed website: ui-builder-tool.com.

  1. Open Excel ValmisLab · Productivity · Tools · published 2025-03-16 10k users ★ 5.0
  2. Draw on Screen ValmisLab · Productivity · Tools · published 2025-03-11 4k users ★ 4.3

Like this one

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

  1. LiveEdit Mockup Describes nearly the same job, smaller audience 4 users (last published figure)
  2. MockUpDesign Describes nearly the same job, smaller audience 3 users
  3. mocky Describes nearly the same job, smaller audience 11 users
  4. Mockup Builder Describes nearly the same job, smaller audience 2k users ★ 2.2
  5. Mockup Studio Describes nearly the same job, smaller audience 23 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

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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 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built