Crypto Wallets

NuFiAn Ethereum Wallet for Your Browser

Free Ethereum and EVM wallet that runs as a browser extension on Chrome, Edge and Firefox. Installation steps, safety tips and alternatives.

Free Proprietary Browser extension
7 min read nu.fi

NuFi is a free Ethereum and EVM-compatible crypto wallet that works as a browser extension in Chrome, Edge and Firefox. It suits people who hold Ethereum-based tokens and want to manage them from a Windows PC without installing a separate desktop application.

The project is listed among Ethereum wallets in the ethereum.org catalog, which makes it a sensible option for readers who prefer a browser-based tool. Setup feels closer to adding any other extension than to installing a traditional program. Readers comparing options should also look at how each wallet handles networks and tokens, which the sections below cover in more detail. It is worth reading the safety notes before you create or import a wallet.

02

What Is an Ethereum Wallet and Why It Matters

A crypto wallet does not hold coins the way a bank account holds money. Your tokens live on the blockchain, and the wallet stores the private keys that prove you control them. Whoever holds those keys can sign transactions, so the wallet is really a key manager with an interface on top.

Ethereum accounts can be derived from one recovery phrase. EVM-compatible networks share the same address format and transaction logic, which is why one wallet can often handle several of them. Understanding this split helps you decide what to back up and what to protect.

03

Who NuFi Is For

NuFi fits people who already use Ethereum and want to manage their assets from a Windows PC without setting up a separate desktop program. A typical user might keep a few Ethereum tokens, visit decentralized apps in the browser, and approve transactions from a familiar toolbar icon.

It is also a reasonable choice for readers who want to explore Ethereum-based services before committing to a larger setup. Start with a small amount you can afford to lose, and confirm that each transaction behaves as expected before you increase the amount.

04

How Browser Extension Wallets Connect to Apps

When you open a decentralized app in the browser, the site asks the wallet for permission to connect. The wallet shows a prompt listing the account and the action requested, and nothing is shared until you approve it. Reading that prompt carefully is the core habit that protects you.

Extension wallets sit between the web page and the blockchain. They sign transactions locally, so the private keys stay inside the extension while the page only receives the results. A fake page can still trick you into signing something harmful, which is why reviewing each request matters.

05

Key features

Browser-based access

NuFi runs inside Chrome, Edge or Firefox, so you can open your wallet from the browser toolbar while you use Ethereum apps. Nothing needs to be installed as a standalone Windows program, which keeps the footprint small on your system.

Ethereum and EVM focus

The wallet is built around Ethereum and networks that follow the same EVM standard. Because these chains share a common address format, one wallet can serve several compatible networks. Always confirm the active network before sending funds.

Free to use

NuFi is offered free of charge, so there is no purchase needed to get started. Keep in mind that blockchain network fees still apply to every transaction you send.
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Supported coins

NuFi is built around Ethereum and networks that follow the EVM standard. Which networks are enabled can change with updates, so check the network selector inside the extension before you send funds.

07

How to install NuFi on Windows

  1. 1

    Download from the official website

    Open nu.fi in your browser and download only from the official website. Follow the links there to your browser's extension store, rather than searching for NuFi and clicking the first result.

  2. 2

    Add the extension to your browser

    In Chrome or Edge, open the extension store and select Add to your browser. In Firefox, install it from the Firefox add-ons store. Pin the icon to your toolbar so the wallet is one click away.

  3. Create or import your wallet

    Follow the setup screens to create a new wallet or import an existing one. Write down your recovery phrase on paper and store it offline, never in a screenshot or a cloud note.

08

System requirements

  • Windows PC with Google Chrome, Microsoft Edge or Mozilla Firefox installed
  • Browser extensions enabled
  • Internet connection for setup and transactions
09

How to use NuFi

Once the extension is installed and your wallet is set up, the routine is short. The steps below cover a typical transfer or app connection, and the details can vary slightly between browsers.

  1. Open the NuFi icon from your browser toolbar and unlock the wallet with your password.
  2. Confirm that the active network matches the one your app or recipient uses.
  3. To connect to a site, open it in the browser and approve the connection prompt only if you recognize the site.
  4. To send tokens, enter the recipient address and amount, then compare the details against what you intend to send.
  5. Review the network fee shown before you confirm, since it is charged on every transaction.
  6. After confirming, wait for the transaction to appear on the network and note the transaction hash for your records.
10

Pros & cons

Pros
  • Free to use
  • Runs as a browser extension, so no standalone installer is needed
  • Focused on Ethereum and EVM-compatible networks
  • Works in Chrome, Edge and Firefox on Windows
Cons
  • Browser-only, so it is not a standalone desktop application
  • Narrower scope than multi-asset wallets for other blockchains
  • Depends on the browser for security and performance
  • Network fees apply to every transaction
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Is NuFi safe?

Install NuFi only from the official website at nu.fi, which links to the browser's own extension store. Do not download the extension from search ads, file-sharing sites or messages from strangers, because fake copies with similar names are a common trap. Check the publisher name in the store and the number of reviews before adding it. Because this is a browser extension, there is no installer to check with a SHA-256 checksum, so rely on the store's verification and the official link instead. Never enter your seed phrase on a third-party website or in a chat, even if it claims to be support. Anyone with that phrase can take your funds, and no legitimate wallet team will ask for it.

  • Official source only. Download from nu.fi. Ignore ads and lookalike domains.
  • Check the SHA-256. Compare the installer hash with the value the developer publishes before running it.
  • Never share your seed phrase. No developer, support agent or website — including CryptApps — will ever ask for it.
12

Alternatives

NuFi is narrower than many wallets in this catalog. Coinomi lists more than 1,700 assets and Atomic Wallet more than 500 coins, which suits people who want one app for many blockchains. Exodus is a desktop wallet with built-in exchange, so it runs as a standalone program rather than a browser add-on. Trust Wallet also offers a browser extension on PC, making it the closest match in format, though its scope is broader. Frame takes a different approach as a system-level Web3 wallet for desktop. NuFi's appeal is simplicity: an Ethereum-focused extension that stays out of the way.

13

Specifications

Price
Free
Type
Proprietary
License
—
Latest version
—
Last update
—
Windows support
Browser extension (Chrome/Edge/Firefox)
Official site
nu.fi
14

Frequently asked questions

Yes, NuFi is free to download and use. Blockchain network fees still apply when you send transactions, and those fees go to the network, not to NuFi. Check the fee shown before you confirm any transfer.

NuFi runs as a browser extension in Chrome, Edge or Firefox on Windows. You add it through your browser rather than running a standalone installer. Once added, it appears as an icon in the toolbar.

NuFi can be used safely if you install it from the official website or the browser store and protect your recovery phrase. Never share your phrase with anyone. Most losses in this category come from fake extensions and phishing pages rather than from the wallet itself.

NuFi is built around Ethereum and networks that follow the EVM standard. Check the network list inside the extension, since supported networks can change with updates. Do not assume a token on one chain will appear automatically on another.

No, NuFi is focused on Ethereum and EVM-compatible networks, so Bitcoin falls outside its scope. If you need a wallet for other blockchains, consider a multi-asset option from the alternatives listed on this page.

A seed phrase, also called a recovery phrase, is a list of words that can restore your wallet on a compatible device. Anyone who has it can control your funds. Keep it offline and never type it into a website.

Yes, the project supports Chrome, Edge and Firefox. Install it from the matching store in whichever browser you prefer. Your choice of browser changes how the extension is added, but the wallet works the same way once it is set up.

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Verdict

NuFi suits Windows users who want a free, browser-based wallet for Ethereum and EVM-compatible networks and do not need a standalone desktop app. It is a practical pick for everyday use of Ethereum apps, provided you protect your recovery phrase carefully. If you hold many assets across many blockchains, a multi-asset wallet like Coinomi or Atomic Wallet will likely fit better. Check the latest version on the official website before installing.

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