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PlantUML Viewer — Local UML Diagram Tool

Chrome extension by Red Digits · Productivity · Developer

A Chrome extension in Productivity · Developer with 50 users, barely installed. Audience over the last 30 days: +32.

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
50
Rating
not rated yet
Users, last 30 days
+32
Version
2.0.0
Updated in the store
2026-09-07
Published
2026-09-07
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+32 since 02.10
18-50 · 15 readings
  1. 2026-10-0422
  2. 2026-10-0821
  3. 2026-10-0924
  4. 2026-10-1025
  5. 2026-10-1326
  6. 2026-10-1634
  7. 2026-10-1736
  8. 2026-10-1937
  9. 2026-10-2140
  10. 2026-10-2241
  11. 2026-10-2440
  12. 2026-10-2544
  13. 2026-10-2848
  14. 2026-10-3049
  15. 2026-11-0150
Users
+50 since 08.09
0-50 · 25 readings
2026-09-08: appeared in the store
  1. 2026-09-080appeared in the store
  2. 2026-09-091
  3. 2026-09-100
  4. 2026-09-156
  5. 2026-09-1711
  6. 2026-09-2018
  7. 2026-09-2117
  8. 2026-09-2515
  9. 2026-09-2719
  10. 2026-09-2818
  11. 2026-10-0422
  12. 2026-10-0821
  13. 2026-10-0924
  14. 2026-10-1025
  15. 2026-10-1326
  16. 2026-10-1634
  17. 2026-10-1736
  18. 2026-10-1937
  19. 2026-10-2140
  20. 2026-10-2241
  21. 2026-10-2440
  22. 2026-10-2544
  23. 2026-10-2848
  24. 2026-10-3049
  25. 2026-11-0150

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.

  • Run its own code on the pages it can access scripting
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

Red Digits publishes 18 listings we track, 5k users between them.

  1. Accent Grid Red Digits · Make Chrome Yours · Functionality · published 2026-07-06 1k users ★ 5.0
  2. Font Inspector – Font Finder for Any Website Red Digits · Productivity · Developer · published 2025-02-09 826 users ★ 4.0
  3. Custom Headers - Modify HTTP Headers Red Digits · Productivity · Developer · published 2026-07-18 803 users ★ 5.0
Show 5 more from this publisher
  1. EPUB Viewer — Open & Read EPUB Files Online | FB2 Reader Red Digits · Lifestyle · Entertainment · published 2026-07-02 732 users ★ 5.0
  2. Quick Settings Launcher for Chrome Red Digits · Make Chrome Yours · Functionality · published 2025-02-20 443 users ★ 5.0
  3. Sky Map — Star Map & Night Sky Constellations Red Digits · Productivity · Education · published 2026-09-06 225 users
  4. Python Shell — Run & Learn Python: Compiler & IDE Red Digits · Productivity · Developer · published 2026-08-27 208 users ★ 5.0
  5. Capital Letter Converter — Uppercase, Lowercase, Title Case Red Digits · Productivity · Tools · published 2026-06-15 161 users ★ 5.0

Like this one

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

  1. PlantUML Anywhere Describes nearly the same job, smaller audience 21 users
  2. PlantUML Editor Describes nearly the same job, smaller audience 371 users ★ 5.0
  3. PlantUML In-Place Preview Describes nearly the same job, smaller audience 57 users
  4. zGPT uml Describes nearly the same job, smaller audience 21 users
  5. UML.TERM Describes nearly the same job, smaller audience 33 users ★ 2.0

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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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

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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