Extension Tracker

MetaMask Flask DEVELOPMENT BUILD

6,000 users Rated 3.80 from 10 ratings Last updated 14 Sep 2026

By metamask-labs Live in the Chrome Web Store ljfoeinjpaedjfecbmggjgodbgkmjkjk Last checked 27 Sep 2026, 05:01 UTC

The listing

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

THIS IS THE CANARY DISTRIBUTION OF THE METAMASK EXTENSION, INTENDED FOR DEVELOPERS.Summary from the listing
Developer
metamask-labs
Trader status
Declared a trader under EU law
Category
Productivity › Workflow & Planning
First published
21 Dec 2021
Last updated
14 Sep 2026
Version
13.48.0-flask.0
Size
23.05 MiB
Minimum Chrome
123
Languages
52 languages

Deutsch, English, English (United Kingdom), Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español (Latinoamérica), français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, मराठी, हिन्दी, বাংলা, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어

Support page
https://support.metamask.io
Open in the Chrome Web Store ↗ Download the CRX from Google ↗
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
2026-09-276,0003.8010
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#9,479
by users, of 264,254 extensions
In its category
#2,980
of 44,385 in Workflow & Planning

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

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • file://*/*Every website
  • http://*/*Every website
  • http://localhost:8545/localhost:8545
  • https://*/*Every website
  • ws://*/*Every website
  • wss://*/*Every website
Sites where it runs scripts
  • *://connect.trezor.io/*/popup.html*connect.trezor.io
  • file://*/*Every website
  • http://*/*Every website
  • https://*/*Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • alarmsRun tasks on a schedule
  • clipboardWriteChange what's in your clipboard
  • cookiesRead and change cookies on the sites it can reach
  • identitySign you in with your Google account
  • notificationsShow notifications
  • offscreenOpen a hidden page for background work
  • scriptingRun scripts on sites it can reach
  • sidePanelShow a side panel
  • storageSave settings and data in your browser
  • unlimitedStorageStore more data than the usual limit
  • webRequestWatch network requests on the sites it can reach
Asked for later, if you agree
  • clipboardReadRead what you copy

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 27 Sep 2026, 05:01 UTC; next check around 28 Sep 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “MetaMask Flask DEVELOPMENT BUILD” (ljfoeinjpaedjfecbmggjgodbgkmjkjk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ljfoeinjpaedjfecbmggjgodbgkmjkjk. Accessed 2026-09-27.
BibTeX
@misc{extensiontracker_ljfoeinjpaedjfecbmggjgodbgkmjkjk,
  title   = {MetaMask Flask DEVELOPMENT BUILD (ljfoeinjpaedjfecbmggjgodbgkmjkjk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ljfoeinjpaedjfecbmggjgodbgkmjkjk},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.

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