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Mutable Butterfly

Chrome extension by Brock Lynch · Productivity · Developer

  • Trader

A Chrome extension in Productivity · Developer with 21 users, barely installed. Audience over the last 30 days: +5.

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

What the developer says, and 1 screenshot

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

Users
21
Rating
not rated yet
Users, last 30 days
+5
Version
1.1.0
Updated in the store
2026-03-22
Published
2026-03-11
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+5 since 03.10
15-21 · 18 readings
  1. 2026-10-0417
  2. 2026-10-0818
  3. 2026-10-0919
  4. 2026-10-1018
  5. 2026-10-1617
  6. 2026-10-1715
  7. 2026-10-1816
  8. 2026-10-1915
  9. 2026-10-2117
  10. 2026-10-2218
  11. 2026-10-2320
  12. 2026-10-2421
  13. 2026-10-2520
  14. 2026-10-2821
  15. 2026-10-2920
  16. 2026-10-3021
  17. 2026-11-0121
  18. 2026-11-0221
Users
+12 since 31.08
9-21 · 30 readings
  1. 2026-08-319
  2. 2026-09-0210
  3. 2026-09-059
  4. 2026-09-0610
  5. 2026-09-079
  6. 2026-09-0812
  7. 2026-09-1011
  8. 2026-09-1513
  9. 2026-09-1714
  10. 2026-09-2516
  11. 2026-09-2618
  12. 2026-09-2816
  13. 2026-10-0417
  14. 2026-10-0818
  15. 2026-10-0919
  16. 2026-10-1018
  17. 2026-10-1617
  18. 2026-10-1715
  19. 2026-10-1816
  20. 2026-10-1915
  21. 2026-10-2117
  22. 2026-10-2218
  23. 2026-10-2320
  24. 2026-10-2421
  25. 2026-10-2520
  26. 2026-10-2821
  27. 2026-10-2920
  28. 2026-10-3021
  29. 2026-11-0121
  30. 2026-11-0221

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.

  • See the address and title of every tab you have open tabs
  • Manage your downloads downloads

The full permission history for this extension

What changed recently

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

The publisher

Brock Lynch publishes 7 listings we track, 273 users between them.

  1. Chrome Bookmarked Website Downloader Brock Lynch · Productivity · Workflow · published 2022-02-24 223 users ★ 1.0
  2. MadSci 3D Molecule Viewer Brock Lynch · Productivity · Tools · published 2026-04-26 12 users ★ 5.0
  3. MadSci Smart Stoich Calculator Brock Lynch · Productivity · Tools · published 2026-04-29 5 users
Show 3 more from this publisher
  1. Spambot 2048 Brock Lynch · Lifestyle · Fun · published 2023-05-24 5 users
  2. MadSci Chem Functional Group Visualizer Brock Lynch · Productivity · Education · published 2026-07-01 4 users
  3. Dodgemaster Brock Lynch · Lifestyle · Fun · published 2023-05-25 3 users (last published figure)

Like this one

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

  1. StegoVault - Hide Messages in Text & Images Describes nearly the same job, smaller audience 7 users ★ 5.0
  2. Image Format Converter (Offline) Describes nearly the same job, smaller audience 2 users (last published figure)
  3. convrtr Describes nearly the same job, smaller audience 9 users ★ 5.0
  4. Invisible Text Copy Describes nearly the same job, smaller audience 19 users
  5. Save Image As... Describes nearly the same job, smaller audience 12 users (last published figure)

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/gneepfcaepglapiejkipkmlmjkphplog/badge.svg)](https://extops.dev/extensions/gneepfcaepglapiejkipkmlmjkphplog)

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