Overview
svelte-exmarkdown is an extensible runtime markdown renderer built on unified/remark/rehype. @humanspeak/svelte-markdown is built on marked. Both render markdown as Svelte components at runtime.
Type: Runtime Renderer
Approach: unified/remark/rehype pipeline
Feature Comparison
| Feature | @humanspeak/svelte-markdown | svelte-exmarkdown |
|---|---|---|
| Svelte 5 Native | ||
| TypeScript Support | ||
| Parsing Engine | marked | unified/remark/rehype |
| Custom Renderers | ||
| Token Caching | Built-in LRU cache | |
| HTML Tag Control | 69+ tags with allow/deny | Via rehype plugins |
| Plugin System | Marked extensions | Remark/rehype plugins |
| Snippet Overrides | ||
| HTML Renderers | 69+ dedicated components | Generic element handling |
| Bundle Size | ~15KB | ~25KB+ (unified stack) |
| Marked Extensions |
Svelte Markdown Strengths
- Svelte 5 runes-native — no legacy compatibility layers
- TypeScript-first with full type safety
- Built-in token caching (50-200x faster re-renders)
- 24 markdown renderers + 69+ HTML tag renderers
- Allow/deny utilities for fine-grained control
- Drop-in component — works anywhere in your Svelte app
- Svelte 5 snippet overrides — customize rendering inline
- 69+ dedicated HTML tag renderers (not generic)
- Smaller bundle — marked is lighter than unified stack
svelte-exmarkdown Strengths
- Built on unified ecosystem — access to hundreds of remark/rehype plugins
- AST-level transformation capabilities
- Plugin architecture designed for extensibility
- Active maintenance and Svelte 5 support
Svelte Markdown Limitations
- Smaller community (newer project)
- Runtime-only (no build-time optimization)
- No direct access to remark/rehype plugin ecosystem
svelte-exmarkdown Limitations
- No built-in token caching
- Larger bundle (unified + remark + rehype)
- No snippet override support
- Fewer dedicated HTML tag renderers
The Verdict
Choose svelte-exmarkdown if you are invested in the unified/remark/rehype ecosystem and need specific plugins from that world. Choose @humanspeak/svelte-markdown for a lighter, faster option with built-in caching, snippet overrides, and comprehensive HTML tag handling.
Try @humanspeak/svelte-markdown
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