Many of our daily tasks are repetitive. Think about saving email attachments to cloud storage, or posting a new blog entry to all your social media channels. Doing these things manually takes time and is prone to error. This is where workflow automation comes in.

n8n (pronounced "n-eight-n") is a tool designed specifically for this. It provides a visual canvas where you can build automated sequences, called workflows. Each workflow is a series of connected steps, or "nodes," that pass data between your apps. You can think of it as creating a set of digital dominoes; once you push the first one, the rest fall into place automatically.

Because n8n is source-available under a fair-code license, you can view its source code and have more control over your data and automations. The main benefit is simple: it saves you time by handling the tedious, manual parts of your job.

You have two main options for using n8n. The one you choose depends on your technical comfort level and how much control you want.

The second option is to self-host. This means you install and run the n8n software on your own server or computer. It requires more technical steps, often involving tools like Docker, but it gives you complete control over your environment and data. It can also be more cost-effective if you already have the necessary infrastructure.

Once you're set up, you'll land in the n8n user interface. It’s designed to be intuitive, even if you've never built a workflow before. The interface is primarily made up of four key areas.

1. The Canvas This is the large, central area where you build your workflow. You'll drag and drop nodes here and connect them to create your automation sequence.

2. The Nodes Panel Located on the side, this panel is your library of building blocks. It contains hundreds of nodes for different apps and functions. You can search for the service you want to connect to (like Gmail or Slack) and drag its node onto the canvas.

3. The Settings & Data Panel When you select a node on the canvas, this panel appears. It's where you configure the specifics for that step. For example, if you add a Google Sheets node, this is where you'd tell n8n which spreadsheet to use and what data to write.

4. The Executions Log This area shows a history of every time your workflow has run. It’s essential for troubleshooting. If a workflow fails, the log will tell you which node caused the error and why.

Now that you're familiar with what n8n is and how to navigate its interface, you're ready to start thinking about the kinds of tasks you can automate.