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What is Onlook AI?

Onlook is an open-source visual code editor designed to make web design more accessible by allowing you to edit code through a visual interface. Rather than switching between design tools and code editors, you can modify your web pages visually and see the code updates in real time. The tool is aimed at designers who want to code, developers who prefer visual feedback, and teams looking to connects design and development. Because it's open-source, you can self-host it and modify it to fit your workflow.

Key Features

Visual code editor

Edit HTML, CSS, and JavaScript through a visual interface with live preview

Real-time code synchronisation

Changes made visually update your code automatically

Open-source and self-hostable

Full access to the source code; deploy on your own infrastructure

Component inspection

Select and modify elements directly on the page without hunting through code

Live preview

See changes instantly without manual page refreshes

Pros & Cons

Advantages

  • Free and open-source, so no licensing costs or vendor lock-in
  • Reduces context switching between design and development tools
  • Good for learning how visual changes map to code
  • Can be customised and extended since the source is available

Limitations

  • Being open-source means support relies on community rather than a dedicated company
  • Learning curve for developers unfamiliar with visual code editors
  • May require technical setup knowledge to self-host effectively

Use Cases

Designers learning to code by seeing visual changes reflected in code

Frontend developers who want faster iteration without switching tools

Small teams building web projects with limited design resources

Developers maintaining existing websites who need quick visual edits

Prototyping web interfaces before handing off to production code