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Cumulus — S3, R2 & WebDAV File Manager

Chrome extension by Hanif Pramono · Productivity · Tools

A Chrome extension in Productivity · Tools with 39 users, barely installed. Audience over the last 30 days: +19.

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
39
Rating
5.0 (2 ratings)
Users, last 30 days
+19
Rating, last 30 days
Steady over 30 days
Version
2.0.0
Updated in the store
2026-07-14
Published
2026-07-14
Manifest
V3
Browser access
3 permissions, 2 site patterns

How it has moved

Users
+19 since 03.10
17-39 · 19 readings
  1. 2026-10-0518
  2. 2026-10-0817
  3. 2026-10-0918
  4. 2026-10-1017
  5. 2026-10-1318
  6. 2026-10-1620
  7. 2026-10-1722
  8. 2026-10-1823
  9. 2026-10-1922
  10. 2026-10-2023
  11. 2026-10-2124
  12. 2026-10-2223
  13. 2026-10-2429
  14. 2026-10-2531
  15. 2026-10-2632
  16. 2026-10-2834
  17. 2026-10-2935
  18. 2026-10-3038
  19. 2026-11-0239
Rating
unchanged since 03.10
reviewsrating 5.00 · 19 readings
  1. 2026-10-05reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-17reviews2rating5.00
  8. 2026-10-18reviews2rating5.00
  9. 2026-10-19reviews2rating5.00
  10. 2026-10-20reviews2rating5.00
  11. 2026-10-21reviews2rating5.00
  12. 2026-10-22reviews2rating5.00
  13. 2026-10-24reviews2rating5.00
  14. 2026-10-25reviews2rating5.00
  15. 2026-10-26reviews2rating5.00
  16. 2026-10-28reviews2rating5.00
  17. 2026-10-29reviews2rating5.00
  18. 2026-10-30reviews2rating5.00
  19. 2026-11-02reviews2rating5.00
Users
+25 since 01.09
14-39 · 28 readings
  1. 2026-09-0114
  2. 2026-09-0216
  3. 2026-09-0715
  4. 2026-09-0816
  5. 2026-09-0915
  6. 2026-09-2118
  7. 2026-09-2520
  8. 2026-09-2621
  9. 2026-09-2820
  10. 2026-10-0518
  11. 2026-10-0817
  12. 2026-10-0918
  13. 2026-10-1017
  14. 2026-10-1318
  15. 2026-10-1620
  16. 2026-10-1722
  17. 2026-10-1823
  18. 2026-10-1922
  19. 2026-10-2023
  20. 2026-10-2124
  21. 2026-10-2223
  22. 2026-10-2429
  23. 2026-10-2531
  24. 2026-10-2632
  25. 2026-10-2834
  26. 2026-10-2935
  27. 2026-10-3038
  28. 2026-11-0239
Rating
unchanged since 01.09
reviewsrating 5.00 · 28 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-02reviews1rating5.00
  3. 2026-09-07reviews1rating5.00
  4. 2026-09-08reviews1rating5.00
  5. 2026-09-09reviews1rating5.00
  6. 2026-09-21reviews1rating5.00
  7. 2026-09-25reviews1rating5.00
  8. 2026-09-26reviews1rating5.00
  9. 2026-09-28reviews1rating5.00
  10. 2026-10-05reviews1rating5.00
  11. 2026-10-08reviews1rating5.00
  12. 2026-10-09reviews1rating5.00
  13. 2026-10-10reviews1rating5.00
  14. 2026-10-13reviews1rating5.00
  15. 2026-10-16reviews1rating5.00
  16. 2026-10-17reviews2rating5.00
  17. 2026-10-18reviews2rating5.00
  18. 2026-10-19reviews2rating5.00
  19. 2026-10-20reviews2rating5.00
  20. 2026-10-21reviews2rating5.00
  21. 2026-10-22reviews2rating5.00
  22. 2026-10-24reviews2rating5.00
  23. 2026-10-25reviews2rating5.00
  24. 2026-10-26reviews2rating5.00
  25. 2026-10-28reviews2rating5.00
  26. 2026-10-29reviews2rating5.00
  27. 2026-10-30reviews2rating5.00
  28. 2026-11-02reviews2rating5.00

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.

The full permission history for this extension

What changed recently

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

The publisher

Hanif Pramono.

Like this one

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

  1. S3 Browser, WebDAV Client & Cloud Storage Manager — Stream Vessel Describes nearly the same job, smaller audience 197 users
  2. Cloud Bucket Viewer Describes nearly the same job, smaller audience 12 users
  3. My S3 Browser Describes nearly the same job, smaller audience 5k users ★ 3.2
  4. S3 Explorer – AWS S3 Browser & File Manager Describes nearly the same job, smaller audience 566 users
  5. CloudEdit Describes nearly the same job, smaller audience 60 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

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

HTML

<a href="https://extops.dev/extensions/bcljbdjgihdnccbablncpdhankediple"><img src="https://extops.dev/extensions/bcljbdjgihdnccbablncpdhankediple/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