Text Summarizer

What is text summarizer?

A summary saves time when you need the main points of a long article, report or set of notes. This tool creates an extractive summary, which means it picks the most informative sentences from your text and does not rewrite them.

Because no AI model is involved, the tool is fast and private. Your text stays in the browser. It also never invents facts, since every sentence in the result is from your original.

How to use the text summarizer

1. Paste the text you want to shorten.
2. Choose how many sentences to keep.
3. Press Summarize and copy the result.

How the text summarizer works

The tool counts how often each meaningful word appears, ignoring common words. Each sentence gets a score from the frequency of its words, adjusted for length, with a small boost for the opening sentence. The top scoring sentences are returned in their original order.

Worked example

Common uses of the text summarizer

• Getting the gist of a long article before reading it fully.
• Creating quick notes from study material.
• Producing a short abstract for a report.
• Checking which sentences carry the main ideas of your own writing.
• Trimming text to fit a length limit.

Tips and common mistakes

Extractive summaries work best on news, reports and essays with clear topic sentences.

Read the result against the original if the details matter. Important context may sit in a sentence that was dropped.

Background: what to know before you rely on it

Automatic summarization has two broad approaches. Extractive methods select existing sentences, and abstractive methods write new ones, which is what modern language models do. Extractive methods have been used since the 1950s, when researchers scored sentences by word frequency and position. They are less fluent but more faithful, because every word comes from the source. They struggle with documents that spread an idea across many sentences or that rely on pronouns and context. For important documents, use a summary as a guide only and read the full text. For research or legal work, never rely on an automatic summary alone.

Private, free and fast

This tool runs entirely in your browser. What you type or choose is not uploaded to a server and is not saved after you close the page, which keeps it fast and private. It is free to use as often as you like. See more in all ai tools, or browse the full list of tools.

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Results are for information and education. For legal, financial, medical or security decisions, check with a qualified professional. Verify AI generated content before relying on it.