Before divulging into the wonderful benefits that Metamask gives one, let us first look a little at what exactly it is for the ones out there who have no clue about this. MetaMask serves as a bridge that enables and facilitates one to visit the distributed web of tomorrow in their browser today. It allows you to run Ethereum dApps right in your browser without running a full Ethereum node. MetaMask includes a secure identity vault, providing a user interface to manage your identities on different sites and sign blockchain transactions.

Watch the Metamask Introduction and learn more about what it is and how one can use it to make their life in the digital world of Ethereum a little more easier.

Moving on, let us briefly look at the top 10 benefits of using this bridge that is easily available as your browser extension and can be downloaded from your respective app store.

Here are 10 benefits of using Metamask:

When making transactions and purchases on the digital network, one needs to send requests. Usually when using Ethereum, one has to download a node comprising 10+GB blockchain on their computers to make a request. Helping a user get rid of this inconvenience, MetaMask can be used to specify which Ethereum node to send these requests to. This ability to send requests to nodes outside of the user’s computers thus becomes very important.
At its very core, Metamask is a digital wallet. Rather than storing your ETH in a wallet on your computers, this helps you store your ETH in a chrome extension. This was a use would be able to confirm transactions from their browser wallet in a way that would be challenging from your computer wallet. It is a wallet for running dApps. No other digital wallet service available to cryptocurrency investors is as integrated as Metamask.
Setting up Metamask is very easy. For suppose you use a Google Chrome browser, all you need to do is visit the Google Play Store, search Metamask in the search engine, and add it as an extension on your browser. For further details, you could watch HOW TO: Use MetaMask Ethereum Wallet.

When using Metamask, it creates a private key-pair via a seed and is accessible through the web browser. This enables the user to have complete control of their private keys. Furthermore, these private keys can be used to access funds anywhere.
It provides flexibility and ease of storage in the sense that it allows its users to keep any ERC20 Token in the same wallet. Not just this, you can easily view your account on the original Ethereum Blockchain with the help of this too.
EtherDelta is a decentralized exchange for Ether and Ethereum based tokens. MetaMask enables all its interested users to access and participate on EtherDelta directly from the wallet. There is no need to deposit or withdraw funds on the exchange, but rather the website communicates with the MetaMask extension. This makes the lives of digital currency investors a little easier since trading can be done on the spot.
Metamask is very concerned about the safe conduct of business and wants its users to have an issue free medium to make transactions and purchases. This is why a user is far less likely to be phished or affected by a phishing site if they use Metamask. This is because the key of the user remains in MetaMask and the fake website will not be able to steal it.
As already mentioned that Metamask aims to deliver secure transactions to its users, if you by mistake travel onto a malicious website, MetaMask will block you with a big red warning. This ensures that you do not lose your funds to fraud or scamming sites.
Most probably the best part about using Metamask is that its users can interact with the Ethereum blockchain without having to download or run the proprietary software that is usually necessary.
Metamask is not just a wallet but rather an interface so cool that its ability to help one access the Ethereum blockchain directly and also work on dApps without having to go through the tedious process on usually has to go through helps people in saving a lot of time and energy.