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Kalven

Chrome extension by Kalven · Productivity · Workflow

  • Trader

A Chrome extension in Productivity · Workflow with 17 users, barely installed. Audience over the last 30 days: +8.

Specific sites only: 4 match patterns.

What the developer says, and 6 screenshots

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

Users
17
Rating
5.0 (3 ratings)
Users, last 30 days
+8
Rating, last 30 days
Steady over 30 days
Version
1.5.0
Updated in the store
2026-10-29
Published
2026-05-23
Manifest
V3
Browser access
8 permissions, 4 site patterns

How it has moved

Users
+8 since 03.10
8-17 · 15 readings
2026-10-07: released 1.1.02026-10-14: released 1.2.02026-10-29: released 1.5.0
  1. 2026-10-0510
  2. 2026-10-0812
  3. 2026-10-0910
  4. 2026-10-108
  5. 2026-10-139
  6. 2026-10-1611
  7. 2026-10-1712
  8. 2026-10-1813
  9. 2026-10-2114
  10. 2026-10-2215
  11. 2026-10-2416
  12. 2026-10-2515
  13. 2026-10-2914released 1.5.0
  14. 2026-10-3016
  15. 2026-11-0217
Rating
unchanged since 03.10
reviewsrating 5.00 · 15 readings
2026-10-07: released 1.1.02026-10-14: released 1.2.02026-10-29: released 1.5.0
  1. 2026-10-05reviews3rating5.00
  2. 2026-10-08reviews3rating5.00
  3. 2026-10-09reviews3rating5.00
  4. 2026-10-10reviews3rating5.00
  5. 2026-10-13reviews3rating5.00
  6. 2026-10-16reviews3rating5.00
  7. 2026-10-17reviews3rating5.00
  8. 2026-10-18reviews3rating5.00
  9. 2026-10-21reviews3rating5.00
  10. 2026-10-22reviews3rating5.00
  11. 2026-10-24reviews3rating5.00
  12. 2026-10-25reviews3rating5.00
  13. 2026-10-29reviews3rating5.00released 1.5.0
  14. 2026-10-30reviews3rating5.00
  15. 2026-11-02reviews3rating5.00
Users
+10 since 31.08
7-17 · 28 readings
2026-09-25: released 1.0.32026-10-07: released 1.1.02026-10-14: released 1.2.02026-10-29: released 1.5.0
  1. 2026-08-317
  2. 2026-09-039
  3. 2026-09-058
  4. 2026-09-069
  5. 2026-09-079
  6. 2026-09-0810
  7. 2026-09-109
  8. 2026-09-1510
  9. 2026-09-169
  10. 2026-09-2010
  11. 2026-09-219
  12. 2026-09-2610
  13. 2026-09-289
  14. 2026-10-0510
  15. 2026-10-0812
  16. 2026-10-0910
  17. 2026-10-108
  18. 2026-10-139
  19. 2026-10-1611
  20. 2026-10-1712
  21. 2026-10-1813
  22. 2026-10-2114
  23. 2026-10-2215
  24. 2026-10-2416
  25. 2026-10-2515
  26. 2026-10-2914released 1.5.0
  27. 2026-10-3016
  28. 2026-11-0217
Rating
unchanged since 31.08
reviewsrating 5.00 · 28 readings
2026-09-25: released 1.0.32026-10-07: released 1.1.02026-10-14: released 1.2.02026-10-29: released 1.5.0
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-06reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-08reviews1rating5.00
  7. 2026-09-10reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-16reviews1rating5.00
  10. 2026-09-20reviews1rating5.00
  11. 2026-09-21reviews1rating5.00
  12. 2026-09-26reviews1rating5.00
  13. 2026-09-28reviews1rating5.00
  14. 2026-10-05reviews3rating5.00
  15. 2026-10-08reviews3rating5.00
  16. 2026-10-09reviews3rating5.00
  17. 2026-10-10reviews3rating5.00
  18. 2026-10-13reviews3rating5.00
  19. 2026-10-16reviews3rating5.00
  20. 2026-10-17reviews3rating5.00
  21. 2026-10-18reviews3rating5.00
  22. 2026-10-21reviews3rating5.00
  23. 2026-10-22reviews3rating5.00
  24. 2026-10-24reviews3rating5.00
  25. 2026-10-25reviews3rating5.00
  26. 2026-10-29reviews3rating5.00released 1.5.0
  27. 2026-10-30reviews3rating5.00
  28. 2026-11-02reviews3rating5.00

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

Specific sites only: 4 match patterns.

  • https://product.costar.com/*
  • https://www.titlepro247.com/*
  • https://app.reonomy.com/*
Show the remaining 1
  • https://api.kalven.ai/*
  • See the address and title of every tab you have open tabs
  • Manage your downloads downloads
  • Run its own code on the pages it can access scripting
Show the remaining 5

The full permission history for this extension

Version history

  1. Version 1.5.0 · Asked for fewer permissions (12, was 13) (changed: site access, pages it runs its code on, browser permissions)
  2. Version 1.2.0
  3. Version 1.1.0
Show the remaining 1
  1. Version 1.0.3 · Asked for more permissions (13, was 11)

What changed recently

  1. Package size changed
  2. Asked for fewer permissions (12, was 13) (changed: site access, pages it runs its code on, browser permissions)
  3. Store description rewritten
Show the remaining 9
  1. Released version 1.5.0 (was 1.2.0)
  2. Package size changed
  3. Store description rewritten
  4. Released version 1.2.0 (was 1.1.0)
  5. Package size changed
  6. Released version 1.1.0 (was 1.0.3)
  7. Package size changed
  8. Asked for more permissions (13, was 11)
  9. Store description rewritten (53 → 88 characters)

Older entries and the full day by day series are in the app.

The publisher

Kalven.

Like this one

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

  1. PurplePilot Describes nearly the same job, smaller audience 4 users
  2. Foundation Property Importer Describes nearly the same job, smaller audience 5 users
  3. Deal Clipper — The Deal Funder Describes nearly the same job, smaller audience 3 users (last published figure)
  4. DealLens - Underwrite Any Listing in 3 Seconds Describes nearly the same job, smaller audience 4 users
  5. Fabrik CRM Property Downloader Describes nearly the same job, smaller audience 5 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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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

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

HTML

<a href="https://extops.dev/extensions/eeeedfannlkihllonomgagibpnnnkidc"><img src="https://extops.dev/extensions/eeeedfannlkihllonomgagibpnnnkidc/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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built