Extension Tracker

250 Animated Themes & Dark Modes for ChatGPT and Claude: Vellum

156 users Rated 5.00 from 1 rating Last updated 24 Sep 2026

By gameitorium35 Live in the Chrome Web Store pnpplaegcahgbndhahihciknencicpjn Last checked 27 Sep 2026, 07:45 UTC

The listing

What the Chrome Web Store shows, as of the last check

Transform ChatGPT and Claude with 250 hand-built animated backgrounds, from pure black to neon cities. Free trial, no tracking.Summary from the listing
Developer
gameitorium35
Trader status
Not declared a trader under EU law
Category
Productivity › Developer Tools
First published
12 May 2026
Last updated
24 Sep 2026
Version
1.9.2
Size
366 KiB
Minimum Chrome
88
Languages
1 language

English (United Kingdom)

Privacy policy
https://vellum-six-kohl.vercel.app/privacy.html
Open in the Chrome Web Store ↗ View the code or download the CRX in CRX Viewer ↗
Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers
CheckedUsersRatingRatings
2026-09-271565.001
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#55,373
by users, of 264,703 extensions
In its category
#4,884
of 27,615 in Developer Tools

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Sites
  • https://chat.openai.com/*chat.openai.com
  • https://chatgpt.com/*chatgpt.com
  • https://claude.ai/*claude.ai
  • https://vellum-license.gameitorium35.workers.dev/*vellum-license.gameitorium35.workers.dev
  • https://weathered-pond-d21a.gameitorium35.workers.dev/*weathered-pond-d21a.gameitorium35.workers.dev
Sites where it runs scripts
  • https://chat.openai.com/*chat.openai.com
  • https://chatgpt.com/*chatgpt.com
  • https://claude.ai/*claude.ai
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • alarmsRun tasks on a schedule
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Ome.TV Dark Mode797 –– Tools
All 2 extensions by gameitorium35 →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 27 Sep 2026, 07:45 UTC; next check around 18 Oct 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “250 Animated Themes & Dark Modes for ChatGPT and Claude: Vellum” (pnpplaegcahgbndhahihciknencicpjn). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/pnpplaegcahgbndhahihciknencicpjn. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_pnpplaegcahgbndhahihciknencicpjn,
  title   = {250 Animated Themes & Dark Modes for ChatGPT and Claude: Vellum (pnpplaegcahgbndhahihciknencicpjn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/pnpplaegcahgbndhahihciknencicpjn},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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