✦ spark in the wind ✦
Code that breathes
SinthW is a modern HTML/CSS/JS editor with live preview, dark/light sync, and a minimalist soul. Write, see, share — instantly.
index.html
Live preview — updates in real time
The preview updates as you type — dark mode toggles the editor & preview background
Crafted for flow
Everything you need, nothing you don't
Live preview
Instant feedback as you type. No refresh, no delay.
Dual soul mode
Dark/light toggle that syncs with editor & preview — seamless.
Smart toolkit
Format HTML, regex replace, auto-save, line navigator, and more.
Auto memory
LocalStorage backup, layout persistence, never lose your draft.
Ignite your next idea
Free, lightweight, and ridiculously smooth. Download a template or share the spark.