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AI Text Summarizer

Summarize any text with AI running in your browser. Choose from key points, TL;DR, teaser, or headline styles. Works in all browsers — Chrome, Firefox, Safari, Edge. Your text never leaves your device.

Chrome AI Active — Using Chrome's built-in Summarizer API (Gemini Nano). Runs 100% on your device. For long articles, uses Summary of Summaries technique automatically.
Choose your summarization mode:
  • AI Summary — Downloads a real AI model (DistilBART, ~100 MB one-time) that runs in your browser. Works offline after download. Generates new sentences (abstractive).
  • Instant Summary — No download needed. Uses sentence-scoring heuristics to extract the most important sentences. Fast and lightweight.
Click "Summarize" to load the AI model (~100 MB one-time download). After loading, it works offline.
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Summarize Text Free — In Any Browser, Fully Private

This AI text summarizer works in three tiers to give you the best summary possible on any device. If you are using Chrome 138+, it leverages Chrome's built-in Summarizer API (Gemini Nano) for instant, on-device summarization with no download. In all other browsers, it offers a real AI model (DistilBART) that runs entirely in your browser via Transformers.js — or a lightweight instant mode using sentence-scoring heuristics that needs no download at all.

Your text never leaves your device. Whether you are summarizing confidential business reports, legal documents, medical records, or personal content, it stays completely private.

Summary Styles

  • Key Points — Bullet-point list of the main ideas and takeaways
  • TL;DR — One concise paragraph capturing the essential message
  • Teaser — An engaging preview to hook readers into reading the full article
  • Headline — A single punchy headline summarizing the article

Three Summarization Tiers

Chrome AI Mode (Chrome 138+): Uses Chrome's built-in Summarizer API powered by Gemini Nano. Instant results with zero download. For long articles over 4,000 characters, the tool automatically splits the text into chunks, summarizes each independently, then produces a final summary from those intermediate summaries — the "Summary of Summaries" technique.

Universal AI Mode (all browsers): Downloads DistilBART CNN 6-6, a real AI model (~100 MB one-time download) via Transformers.js. Runs locally using WebAssembly/WebGPU. Generates abstractive summaries — new sentences that capture the meaning. Works offline once downloaded.

Instant Mode (always available): Uses sentence-scoring heuristics — scoring by position, length, and keyword density — to extract the most important sentences. No download, no wait. Great for quick overviews.

Best Use Cases

This free text summarizer is ideal for students summarizing research papers, professionals condensing meeting notes and reports, journalists understanding press releases, or anyone who wants a quick overview of a long article. Because everything runs in your browser, there are no rate limits, no accounts, and no API keys required.

Short, Medium, or Long — You Choose

Select "Short" for a 1-2 sentence overview, "Medium" for a balanced paragraph, or "Long" for a more detailed summary. The stats row shows exactly how much the text was compressed — original words, summary words, and reduction percentage.