In December 2025, there are 188 AI Summarizer tools listed. Google Gemini ranks #1 with 1.4B monthly visits. NotebookLM is the fastest growing tool with 25.7% growth.
In December 2025, there are 188 AI Summarizer tools listed. Google Gemini ranks #1 with 1.4B monthly visits. NotebookLM is the fastest growing tool with 25.7% growth.
Rank | Tool | Monthly Visits | Growth | Growth Rate | Category | Description | |
|---|---|---|---|---|---|---|---|
1 |  Google Gemini AI Writing Assistants | 1.4B | +169.7M | 14.4% | AI Writing Assistants | Gemini is your go-to AI assistant for writing, planning, and learning tasks. | |
2 |  Notebook AI AI Meeting Assistant | 63.4M | -8.4M | -11.7% | AI Meeting Assistant | Notebook AI in Zoho Notebook is a powerful, easy-to-use assistant that turns your notes, meetings, and ideas into clear, organized content with AI-powered transcription, mind maps, summaries, and more. | |
3 |  Memos AI AI Meeting Assistant | 46.7M | -1.4M | -2.9% | AI Meeting Assistant | Memos AI is the smartest note-taking tool that records, transcribes, and summarizes your lectures and meetings effortlessly. | |
4 |  Zero GPT AI Content Detector | 29.3M | +394.3K | 1.4% | AI Content Detector | ZeroGPT is a versatile tool for detecting AI content, checking plagiarism, summarizing text, and more. It’s free, accurate, and easy to use. | |
5 |  NotebookLM AI Summarizer | 23.2M | +4.7M | 25.7% | AI Summarizer | NotebookLM is your go-to AI research assistant, offering quick summarization, insightful connections, and privacy-focused features for students, professionals, and creatives alike. | |
6 |  Zoom IQ AI Meeting Assistant | 22.6M | -2.5M | -9.9% | AI Meeting Assistant | Zoom AI Companion is your go-to AI assistant for boosting productivity, improving collaboration, and enhancing skills—all within the Zoom platform. | |
7 |  Zoom AI Companion AI Meeting Assistant | 22.6M | -2.5M | -9.9% | AI Meeting Assistant | Zoom AI Companion is your go-to AI assistant for boosting productivity, streamlining communication, and making your workday more efficient. | |
8 |  Monica AI Chatbots & LLM | 8.5M | -929.7K | -9.9% | AI Chatbots & LLM | Monica is your ultimate AI assistant, offering chat, search, writing, and coding support across multiple platforms. With features like AI summaries, translations, and art, Monica is designed to boost your productivity and creativity. | |
9 |  Otter.ai AI Meeting Assistant | 6.7M | -1.2M | -15.4% | AI Meeting Assistant | Otter.ai is the ultimate AI meeting assistant that automates note-taking, summarizes discussions, and assigns action items, making meetings more efficient and productive. | |
10 |  AI PDF Summarizer by PDF Guru AI PDF Assistant | 6.0M | +495.8K | 8.9% | AI PDF Assistant | Get quick PDF summaries and interact with your documents efficiently. | |
11 |  PDFGuru AI PDF Assistant | 6.0M | +495.8K | 8.9% | AI PDF Assistant | The AI PDF Summarizer by PDF Guru is a fast, easy, and secure way to summarize PDF files. Perfect for students, researchers, and professionals, it helps you save time and focus on what matters. | |
12 |  Sider AI Writing Assistants | 5.0M | -26.5K | -0.5% | AI Writing Assistants | Sider is a powerful AI assistant that combines multiple AI models to help you read, write, and create more efficiently. It’s perfect for students, professionals, and creatives alike. | |
13 |  Speechify Text to Speech | 5.0M | -529.2K | -9.6% | Text to Speech | Speechify is the ultimate text-to-speech tool, offering natural voices, speed reading, and voice cloning to help you read faster and smarter. Perfect for students, professionals, and creators. | |
14 |  Tactiq AI Meeting Assistant | 4.7M | -473.2K | -9.2% | AI Meeting Assistant | Tactiq.io simplifies meeting management with real-time transcriptions and AI-generated summaries, making your meetings more productive. | |
15 |  Consensus AI Search Engine | 4.4M | -2.2K | -0.1% | AI Search Engine | Consensus is an AI-powered search engine that helps you find and understand scientific research faster, with over 200 million papers and reliable, science-backed results. | |
16 |  Fathom AI Meeting Assistant | 3.8M | -235.8K | -5.9% | AI Meeting Assistant | Fathom AI Notetaker is a game-changer for meeting productivity, offering free, secure, and efficient note-taking solutions. | |
17 |  Fireflies.ai AI Meeting Assistant | 3.7M | -584.4K | -13.6% | AI Meeting Assistant | Fireflies.ai is the ultimate AI notetaker for meetings, offering high-quality transcription, detailed summaries, and powerful conversation intelligence. | |
18 |  Read AI AI Meeting Assistant | 3.6M | -684.9K | -15.8% | AI Meeting Assistant | Read AI is the ultimate productivity tool for meetings, emails, and messages, helping you save time and stay organized. | |
19 |  Notta AI Transcriber | 3.2M | -410.3K | -11.2% | AI Transcriber | Notta is a versatile AI transcription tool that simplifies converting speech to text, offering real-time transcription, translation, and summarization for various professional and educational needs. | |
20 |  Decopy AI AI Detector | 3.1M | +198.9K | 6.8% | AI Detector | Decopy AI = Your shortcut to clear, original, and human-like writing. Detect AI, fix grammar, summarize docs, and more—all in one place. |
Tools are assigned to categories based on their primary functionality and use case. Many tools appear in multiple categories if they serve multiple purposes.
Some AI domains are more developed and have more available tools. Popular categories like content generation or image creation naturally have more tools than newer or more specialized categories.
Browse the relevant category and sort by visits or growth to see the most popular or fastest-growing tools. You can also read the descriptions and visit the tools' websites to evaluate their features.
Yes, our rankings are based on objective traffic data and are not influenced by sponsorships or partnerships. We aim to provide an unbiased view of the AI tool ecosystem.
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