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A thick open book on a warm writing desk beside a small summary card and fountain pen, lit like an editorial still life

Turn long text into a usable brief.

Condense articles, papers, reports, and notes into key points, a short paragraph, a TL;DR, or an abstract without leaving the browser.

4 summary modesNo sign-up to start
Length: 25%
Input
0 / 1000
Summary

Summary appears here

Paste text and click Summarize

3 free uses per day · Signup not required

A fountain pen resting beside a closed journal and a stack of pages on a warm writing desk
Summaries work best when the source stays intact and the signal gets shorter.
Process

Shorten the source without losing the point.

01

Paste your source text

Drop in an article, report, transcript, or paper. The free tier covers up to 1,000 words per request.

02

Choose the output shape

Switch between Key Points, Paragraph, TL;DR, or Abstract. For the first two modes, use the slider to control how aggressively the text compresses.

03

Review the short version

Copy the summary, download it as a text file, or regenerate if you want a different pass on the same material.

Use cases

Built for the documents people actually have to finish.

Students

Research papers and readings

Get the argument, findings, and conclusion before you dive deeper. Abstract mode is useful when you need the structure fast, not the whole paper at once.

Teams

Meeting notes and updates

Turn long notes or transcripts into the short version your team will actually read, with action items and decisions easier to spot.

Readers

Articles worth skimming first

Use TL;DR or Key Points when you want the gist before committing to the full piece, especially across news, analysis, or long blog posts.

Operators

Policies, reports, and docs

Compress dense internal documents into a summary you can share upward or hand off, without manually rewriting every section yourself.

Pricing

Start free, pay when the reading pile grows.

Free
$0

3/day, 1K words, 4 summary modes

Starter · Recommended
$9.99 /mo

30K words, longer inputs, higher daily usage

Pro
$19.99 /mo

100K words, 10K-word requests, priority processing

See all plans →
Questions

What people ask before they summarize.

What does the AI Summarizer do?
It condenses long text into shorter summaries while preserving the key information. Choose from 4 modes: Key Points (bullet list), Paragraph (single paragraph), TL;DR (one sentence), and Abstract (academic structure).
Is the Summarizer free?
Yes. Free users get 3 summaries per day with up to 1,000 words per request. Upgrade for higher limits and higher daily usage.
How does the length slider work?
The slider controls how long the summary should be relative to the original. 25% means the summary targets about a quarter of the original length. Available for Key Points and Paragraph modes.
What types of content can I summarize?
Anything text-based: articles, research papers, reports, emails, meeting notes, blog posts, legal documents, and more. The AI adapts to the content type automatically.
How accurate are the summaries?
The AI preserves key facts, arguments, and conclusions from your original text. We recommend reviewing the summary for critical use cases, as with any AI tool.
What is the word limit?
Free users can summarize up to 1,000 words per request. Paid plans support up to 10,000 words, making them suitable for long documents and research papers.
Can I summarize academic papers and research articles?
Yes. Use Abstract mode for a structured academic-style summary with background, methods, results, and conclusion sections — ideal for research papers and journal articles. Key Points mode is better for extracting findings from literature reviews or technical reports.
Does the summarizer work for non-English text?
The tool works best with English text. It can handle content that includes some non-English words or technical terms, but full summarization of foreign-language documents may be less reliable. Translation first is recommended for clearer output.
Do I need to create an account?
No. You can start in the browser. Create an account only if you want usage tracking or a paid plan.
Can I use it for academic work?
Yes, especially in Abstract mode. It helps you review long papers faster, but you should still verify claims, citations, and nuance before using the summary in coursework or research.
Does it work on mobile?
Yes. All web tools work in mobile browsers. For desktop, you can also use our Chrome extension for right-click access.
Is there a Chrome extension?
Yes. Our free Chrome extension includes AI Humanizer, Grammar Checker, AI Detector, Translator, and Word Counter — all accessible via right-click on any website.
How does this compare to TLDR This?
Both tools condense long text, but Coda One gives you multiple summary formats, adjustable length control, and the rest of the Coda One writing stack in the same workflow.

Coda One's AI Summarizer condenses articles, papers, reports, and notes into shorter formats you can actually work with. Choose bullet points, a paragraph overview, a TL;DR, or an abstract-style summary, then adjust length when you need a tighter pass.

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