Baseline
March 22, 2026 ยท View on GitHub
Search for web platform features and view their Baseline browser support status directly in your editor.
https://github.com/user-attachments/assets/2658408f-1de8-4ac3-b77e-a4b9875a9d0e
Features
- Search for web platform features and get their Baseline info
- Autocomplete support for baseline-todo syntax
- Autocomplete support for
<baseline-status featureId> - Hover over the baseline-todo syntax to get Baseline info at a glance
- Validation of feature IDs within baseline-todo syntax
Usage
Search command
Open the command palette (Cmd+Shift+P / Ctrl+Shift+P) and run Baseline search to look up any web platform feature by name.
baseline-todo
Add // @baseline <featureId> comments in your code. The extension provides autocomplete, inline Baseline status on hover, and validation of feature IDs.
baseline-status web component
When editing HTML, autocomplete is available for the <baseline-status featureId> attribute.
Supported languages
JavaScript, TypeScript, HTML, CSS, SCSS, Less, Vue, Svelte, Astro, Markdown, MDX, YAML, JSON