GitHub →
Built for Obsidian

Split any article into clean atomic notes — by meaning

Paste a messy article. Get clean ### Topic N markdown ready for your Obsidian vault. No server, no API key, no tracking.

Try it free → View on GitHub

How it works

1

Paste

Copy any article, transcript, or notes and paste into TopicSplit

2

Adjust

Drag the sensitivity slider — higher = more segments, lower = fewer

3

Split

Click "Split into topics" — get clean markdown segments

4

Import

Copy or download — paste straight into your Obsidian vault

See it in action

Paste any article below and watch it split into clean topic segments.

Why Obsidian users love TopicSplit

Manual splitting

  • Takes 10-15 minutes per article
  • Inconsistent section breaks
  • Easy to miss topic shifts
  • Frustrating and tedious

TopicSplit

  • Splits in under 5 seconds
  • Finds where meaning actually shifts
  • Consistent, objective algorithm
  • 100% offline — your text never leaves your browser

Ready to speed up your workflow?

TopicSplit is free and MIT licensed. If it saves you time, a $1 tip keeps the tools coming.

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