How to Use SVG with HTMX
Swap and update inline SVG with HTMX by returning vector markup from the server.
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Supports PNG, JPG, BMP, WEBP up to 5MB
Server-Rendered SVG Swaps
HTMX swaps HTML fragments from the server, and SVG is just HTML. Return inline SVG from an endpoint and use hx-get with hx-swap to update icons — for example toggling a like button's filled state.
- Return inline SVG fragments from server endpoints
- Use hx-get + hx-swap to update icon state
- No client-side icon library needed
Performance and Caching
Inline server-rendered SVG avoids extra image requests. Convert raster logos to SVG so the server can emit small, crisp markup, and cache static icon fragments where possible.
- Convert raster logos to SVG for small markup
- Cache static icon fragments for speed
- Use currentColor for theme-aware server icons
Frequently Asked Questions
Can HTMX swap an inline SVG icon?
Yes — return the new inline SVG from your endpoint and HTMX swaps it into the target element like any HTML fragment.
Should icons be inline SVG or img with HTMX?
Inline SVG is best with HTMX because it swaps directly as markup and supports currentColor, avoiding extra image requests.
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