Requests are processed to produce a summary; avoid pasting highly sensitive data unless your deployment policy allows it.

Does it work without cloud AI?

Yes. An on-device summarizer still produces a clear result.

Is AI Summarizer free?

Yes. Summarize text online with korisa.app at no charge for the tool UI.

Summarize long text online with AI. Free summarizer for articles, notes, and docs — cloud or on-device.

On-device by default. Optional cloud AI when OPENAI_API_KEY is configured.

Checking AI runtime…

Paste an article, email, or notes

Choose length and format, then run

Turn long articles and notes into short summaries or bullet points. Choose length and format to match your workflow.

Uses cloud AI when configured, with a solid on-device fallback so you always get a summary.