polkadot{.js} extension

Name: polkadot{.js} extension
Rating: 3.338709677419355 (62 reviews)
Author: polkadot{.js}

Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signing transactions for a specific account.

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The polkadot{.js} extension is a dedicated tool for managing Polkadot and Kusama accounts outside of decentralized applications built on Substrate. It provides secure account injection and transaction signing capabilities without exposing private keys or secrets to any third-party apps.

Users can add and manage multiple accounts with secrets stored securely within the extension. It facilitates signing transactions and messages specifically for Substrate-based networks, including Polkadot and Kusama, while allowing users to accept or reject signing requests from apps. The extension enhances security by ensuring no private keys leave the extension environment, only the signed outputs.

Perfect for developers and users interacting with Polkadot.js apps or other Substrate ecosystems, the polkadot{.js} extension offers a streamlined, secure interface for blockchain account management. The source code is fully open and maintained on GitHub, ensuring transparency and trust.

Extension Cryptocurrency Privacy & Security Developer Tools

By:

Users:

Rating:

Version:

0.61.1 Last updated: 2025-06-30

Creation date:

2022-06-10

Risk:

Permissions:

storage
tabs

Size:

2.13MB

Email:

po*****@gmail.com

Full description:

Source:

Chrome Web Store

Data ingested on:

2025-07-15

Ranking

# 721

Other platforms

polkadot{.js} extension (v0.61.1)

8,185 4.41

(178)

User reviews

User reviews for polkadot{.js} extension are mixed, with many citing poor UI/UX, connection problems, and lack of key features such as displaying balances and smooth signing processes. Some find it useful as a development tool or convenient extension, but others warn of security risks and usability frustrations. Overall, the extension offers utility but suffers from significant usability and reliability issues.

Pros

Helpful extension for interacting with Polkadot blockchain
Useful development tool
Convenient for some users
Loved by some users

Cons

Poor user interface and user experience, described as confusing and not user-friendly
Frequent connection issues with dApps and Acala network
Inability to view wallet balances and transaction information easily
Failed or outdated signing functionality, especially with hardware wallets
Security concerns expressed by users

Recent reviews

Is there an upgrade date? Basically unusable with chains that use Metadata V16 in conjunction with custom extensions.

Pa*****, 2025-06-09

Wallet terburuk

Bi*****, 2025-04-20

the links dont even work. I will sell all my DOT after this. You can't purposely be this bad They most NOT being planning on sticking around. Feels like a dump don't waste your money.

Ne*****, 2024-12-06

View all user reviews ›

Extension safety

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

polkadot{.js} extension requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****

Risk likelihood

Risk likelihood measures the probability that a Chrome extension may turn malicious. This is determined by the publisher and the Chrome extension reputation on Chrome Web Store, the amount of time the Chrome extension has been around, and other signals about the Chrome extension. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Chrome extension.

polkadot{.js} extension is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this extension.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
Medium **** ********* *** ****** **** ****** ********* ********** *** *** ** ****** ** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******

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