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10 Best AI Summary Generators to Save Time on Reading & Watching (2025 Update)

Need to condense books, articles, and videos quickly? Check out the 10 best AI summary generators of 2025 that help you save time on reading and watching without losing key insights.
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Poppy2025.04.11

The deadline for your big project is fast approaching, and you need to consume large volumes of content quickly. You don’t have the luxury of hours spent reading books or articles. What you need is a powerful AI summary generator to quickly condense information into digestible summaries, all while maintaining accuracy.

But not all AI summarizing tools are created equal. Some excel at summarizing books, while others specialize in articles or videos. To help you navigate the world of AI summary generators, we’ve compiled our top 10 picks for 2025—each one designed to make your reading and summarizing more efficient.

10 Best AI Summary Generators for 2025

1. Mapify: The Best AI Summary Generator for Shortening Your Reading Time

Mapify stands out as the top choice for AI-driven summary generation. This tool can condense books, articles, videos, and even entire websites into concise, actionable summaries. One of its most unique features is the mind map generation that enhances comprehension and visual appeal.

Mapify AI summary generator for shortening reading time efficiently

Pricing:

  • Basic: $9.99/month
  • Pro: $19.99/month
  • Unlimited: $29.99/month

Key Features:

  • Instant and powerful AI modes
  • Stunning mind maps for better understanding
  • Supports over 30 languages

Compatibility: Web, Chrome, Firefox, Edge, Android, iOS

You might like: How to Summarize YouTube Videos into Text or Mind Maps

2. BooksAI: Best Free AI Book Summarizer

BooksAI is perfect for AI book summarization. With the power of OpenAI’s API, it provides near-instant summaries for books, making it an ideal choice for quick reads.

BooksAI best AI book summarizer for quick reading insights

Pricing: Free (Ad-supported)

Key Features:

  • Instant summaries for books
  • Celebrity book recommendations
  • Simple, efficient interface

Compatibility: Android (limited), iOS

3. Hypotenuse AI: The Best AI Tool for Paragraph Summaries

Hypotenuse AI is not designed to summarize full books, but it’s excellent for condensing individual paragraphs or shorter pieces of content. It can summarize articles, blog posts, and even short books.

Hypotenuse AI tool for shortening paragraphs with clarity

Pricing:

  • Free (basic paragraph shortener)
  • Entry: $29/month
  • Essential: $87/month

Key Features:

  • Summarize up to 50,000 words in paid plans
  • Flexible output formats (bullet or paragraph)
  • Quick “Regenerate” option for better summaries

Compatibility: Web, Chrome, Edge

4. Wordtune: Simple and Effective AI Summary Generator

Wordtune is an intuitive, AI-powered summary generator that works seamlessly with PDFs, uploaded files, and pasted text. Its straightforward interface makes it a great tool for beginners.

Wordtune simple AI-powered text summarizer for writers

Pricing:

  • Basic: Free
  • Advanced: $13.99/month
  • Unlimited: $19.99/month

Key Features:

  • Summarize from PDFs and URLs
  • Clear, human-like writing style
  • Simple to use

Compatibility: Web, Chrome, Edge, iOS

5. AISEO Text Summarizer: Best for Tone Customization

AISEO offers AI summary generation with a twist—it allows you to adjust the tone of your summary, whether you want it formal, casual, or customized. It also supports multiple languages.

AISEO text summarizer with multiple tone options for flexible summaries

Pricing:

  • Grow: $24/month
  • Scale: $44/month
  • Team: $99/month

Key Features:

  • Customizable tone and voice
  • Supports URL imports
  • AI-driven translations

Compatibility: Web, Chrome, Edge

6. SEMRush ContentShake: Free AI Article Summarizer

SEMRush’s ContentShake tool is an easy-to-use AI summarizer for articles. While the free version offers basic summaries, the paid version unlocks additional features for more in-depth summarization.

SEMRush free AI article summarizer for content marketers

Pricing:

  • Free: $0
  • ContentShake AI: $60/month

Key Features:

  • Quick, simple summaries
  • Flexible summary length options
  • Integration with WordPress and social media for premium users

Compatibility: Web

7. HubSpot AI Insights: Best for Report Summaries

HubSpot’s AI tools focus on extracting insights from reports. You upload a report and ask specific questions to pull out key insights, making it an excellent choice for business users.

HubSpot AI insights tool for extracting summaries from reports

Pricing:

  • Free: $0
  • Starter: $15/month
  • Professional: $800/month

Key Features:

  • AI assistant for extracting insights
  • Designed for business and sales professionals
  • Helps with report analysis

Compatibility: Web, iOS, Android

8. Glasp: Best for Note-Taking and Video Summaries

Glasp is an excellent tool for note-taking and summarizing video content, like YouTube videos. Its highlighting feature allows you to pick out important points from summaries for easy note-making.

Glasp note-taking and summarizing tool for readers and researchers

Pricing:

  • Free: $0
  • Pro: $12/month
  • Unlimited: $30/month

Key Features:

  • Video summarization
  • Highlighting for easy note-taking
  • Audio transcription for future summarization

Compatibility: Web, Safari, Chrome

You might like: How to Transcribe a YouTube Video into Notes

9. Any Summary: Best for Summarizing Multiple File Types

Any Summary can handle a wide variety of file types, from documents and presentations to audio and video. It’s a versatile tool for summarizing a range of content types.

Any Summary AI tool for summarizing various file types like PDF and Word

Pricing:

  • Free: $0
  • Plus: $14.99/month

Key Features:

  • Supports documents, audio, video, and more
  • Customizable summary output
  • Powered by OpenAI’s API

Compatibility: Web

10. TLDR This: Best for Metadata Extraction

TLDR This is unique because it doesn’t just summarize articles—it extracts key metadata like author and publication details, providing more context to the summary.

TLDR This tool for extracting metadata and creating concise summaries

Pricing: $9.99/month

Key Features:

  • Extracts metadata along with summaries
  • Summarizes from URLs, files, and copied text
  • Simple and effective UI

Compatibility: Web, Chrome, Firefox


How to Choose the Best AI Summary Generator?

When selecting the right AI summary generator, consider the following factors to ensure you choose the best tool for your needs:

  • AI Model Accuracy: Look for tools that use the latest AI models to deliver high-quality summaries.
  • Content Format Compatibility: Choose a tool that supports the formats you need, whether that’s text, video, audio, or PDFs.
  • Customization Options: Customizable settings for both summary style and output can significantly improve the tool’s usefulness.
  • Presentation: Mind maps, bullet points, and other visual outputs can make summaries easier to understand.
  • Cost: Find a tool that fits your budget while offering the features you need.
  • Language Support: If you work with multilingual content, choose a tool that supports multiple languages.

You might like: How to Generate Email Summaries with AI in One Click

Why Use an AI Summary Generator?

AI summary generators can help you:

  • Save time by automating the summarization process.
  • Achieve high accuracy that’s hard to match manually.
  • Access global content through tools that translate while summarizing.

Start Streamlining Your Reading with the Best AI Summary Generator Today!

Choosing the best AI summary generator can transform how you work with content. Whether you’re looking to summarize books, articles, or videos, there’s a tool here for you. We recommend Mapify as our top choice for 2025, offering unparalleled versatility and visual appeal with its mind maps.

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