flems.io

Flems.io

flems.io is an online code editor and prototyping tool for web apps. It allows developers to quickly mock up web app ideas and interfaces with HTML, CSS, and JavaScript.
flems.io image
code-editor prototyping web-apps html css javascript

flems.io: Online Code Editor and Prototyping Tool

flems.io is an online code editor and prototyping tool for web apps. It allows developers to quickly mock up web app ideas and interfaces with HTML, CSS, and JavaScript.

What is Flems.io?

flems.io is an online code playground and prototyping tool for web applications. It provides a simple yet powerful editor for HTML, CSS, and JavaScript that runs live in the browser. Developers can use flems to quickly experiment with front-end code, prototype UIs and interactions, and test out web app ideas without setting up a complex local development environment.

Some key features of flems.io include:

  • Live editing - Code changes appear instantly in the preview without needing to manually refresh
  • Instant sharing - Share working prototypes via a URL
  • Interactive console - Inspect and modify the DOM at runtime
  • Local storage - Apps and all their resources are saved locally in the browser
  • Media library - Easily add images, videos and icons into projects
  • Mobile view - Test responsiveness with mobile device simulation
  • Code completion - Get context-aware suggestions as you type
  • Emmet support - Fast front-end coding workflow with abbreviations

With its simple interface, powerful features and ease of sharing creations, flems.io aims to provide the fastest way to build and iterate on web app ideas and UIs for modern web development.

Flems.io Features

Features

  1. Online code editor
  2. Support for HTML, CSS, JavaScript
  3. Instant preview
  4. Shareable links
  5. GitHub integration
  6. Local storage
  7. Keyboard shortcuts
  8. Zen mode
  9. Dark mode

Pricing

  • Freemium

Pros

Fast prototyping

Collaboration friendly

Beginner friendly

Free and open source

Cons

Limited features compared to full IDEs

No offline mode

Limited customization options


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