MetaMask Flask DEVELOPMENT BUILD icon

MetaMask Flask DEVELOPMENT BUILD

by Consensys Software Inc. · Workflow & Planning
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

THIS IS THE CANARY DISTRIBUTION OF THE METAMASK EXTENSION, INTENDED FOR DEVELOPERS.

Users
6,000
0 in 30 days
Rating
3.8 / 5
unchanged in 30 days
Ratings
10
0 in 30 days
Store rank
#13K
#11K among extensions
Version
13.48.0-flask.0
updated 14 Sep 2026

Users

monthly, 3 years
1,0005,50010KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 6,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
2610Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 10 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MetaMask Flask DEVELOPMENT BUILD

The world's most trusted crypto wallet MetaMask Flask is a distribution channel of the MetaMask Extension for developers, which gives them access to additional unstable APIs. The goal of Flask is to maximize developer control, so that we can learn the full extent of what developers want to do with MetaMask, and later incorporate these lessons into the main MetaMask distribution. You can find the main / production version of MetaMask here: https://chrome.google.com/webstore/detail/metamask/nkbihfbeogaeaoehlefnkodbefgpgknn Crypto made easy – Buy, sell, swap, and earn directly in your wallet – Choose from thousands of tokens – Connect to dapps across multiple chains – Try DeFi, buy meme coins, collect NFTs, explore web3 gaming, and more Advanced industry-leading security protects you – Know what you’re signing before you transact – Live threat surveillance safeguards your wallet – Designed for privacy, control what you share – MEV and front-running protection Live support 24/7 – Around-the-clock support from our (human!) customer service experts SUPPORTED NETWORKS Ethereum, Linea, BSC, Base, Arbitrum, Solana, Bitcoin, Cosmos, Avalanche, Cardano, XRP, Polygon, BNB, Starknet, and more. SUPPORTED TOKENS Ether (ETH), USD Coin (USDC), Tether (USDT), Wrapped Bitcoin (wBTC), Shiba Inu (SHIB), Pepe (PEPE), Dai (DAI), Dogecoin (DOGE), Cronos (CRO), Celo (CELO), and thousands more. Download MetaMask today. Because MetaMask adds functionality to your traditional browser, we require permission to read and write to any webpage. You can always view our source code the way you would any Chrome extension, or on GitHub: https://github.com/MetaMask Our privacy policy: https://consensys.net/privacy-policy/ Terms of use: https://consensys.net/terms-of-use/

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months0+0.0%00.00
1 year0+0.0%00.00

Chrome Web Store search rankings

Where MetaMask Flask DEVELOPMENT BUILD appears when people search the store, with the 30 day change
Search phrasePosition30 days
build#2+1
metamask#20
metamask wallet#20
development#3+1
earn crypto#44+5

Version history

99 versions recorded
13.48.0-flask.014 Sep 2026
13.47.0-flask.07 Sep 2026
13.46.1-flask.031 Aug 2026
13.43.0-flask.012 Aug 2026
13.42.0-flask.01 Aug 2026
13.41.0-flask.027 Jul 2026
13.40.0-flask.020 Jul 2026
13.39.2-flask.014 Jul 2026

Details

Category
Workflow & Planning
First seen
20 Dec 2021
Size
23.1 MB
Languages
de, en, en-GB, fil, id, sw, ms, nl
Pricing
Free
Privacy policy
metamask.io
Support
support.metamask.io
Extension ID
ljfoeinjpaedjfecbmggjgodbgkmjkjk

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
activeTabalarmsclipboardWritenotificationsscriptingstorageunlimitedStoragewebRequestoffscreenidentitysidePanelcookies
Site access
http://localhost:8545/file://*/*http://*/*https://*/*ws://*/*wss://*/*
Can read and change data on every website you visit.

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