Topic Extraction
The best 50 Topic Extraction AI tools - Free & Paid
Explore 50 AI for Topic Extraction
TopicFinder is an AI-powered tool that streamlines blog topic discovery. It extracts SEO data from the web, providing popular topics with an easy-to-use interface for filtering and organization, significantly reducing research time for bloggers.
Free trial
Quetext is an all‑in‑one writing platform offering plagiarism detection, AI content detection, real‑time grammar and spell correction, summarization, paraphrasing, and citation generation. It supports PDF, DOC, TXT files with bulk uploads for students, teachers, researchers, and creators.
Freemium
- $8/mo
Longshot AI's FactGPT feature generates user-sourced and factually accurate content for current events, opinions, product reviews, comparisons and more, with personalization options and access to citations.
Freemium
- $19/mo
Online article summarizer that condenses long texts into concise summaries, extracting metadata, estimating reading time, and removing ads for a distraction‑free view. Supports text, URLs, PDFs, DOC/DOCX up to 25 MB, with a browser extension for instant page summarization.
Free
An AI platform that rewrites text in eight styles—Standard, Fluency, Humanizer, Simplify, Creative, Academic, Shorten, Expand—while supporting custom modes, tone settings, synonym selection, audio‑to‑text, OCR, and a research panel. Available via browser extensions, mobile apps.
Free
Expertex is an AI conversation tool powered by GPT-4 and Google Gemini 2.5, featuring customizable themes, persona-driven interfaces, automatic translation, and a prompt library, allowing for seamless multilingual discussions and easy access through quick registration.
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
ToolBaz offers 85+ free AI tools powered by GPT‑5, Claude, Gemini, Meta‑AI for content marketing, business communication, creative and academic writing, and technical documentation. Includes text‑to‑image, text‑to‑speech, intuitive, privacy‑focused interface.
Freemium
AI tool for searching and playing movie/TV dialogue clips using keywords. Includes login, favorites, and download options.
TextMine is an AI tool for enterprise-level document data extraction, utilizing machine learning to efficiently identify and organize critical information while ensuring data privacy. It enhances operational efficiency and supports various professionals in managing large volumes of text data.
Freemium
AI writing tools and resources that provide a content generator powered by GPT-3, business idea generator, Facebook Ads Generator, Magic Paragraph Generator, and SEO tool to optimize content for better search engine rankings.
Free trial
- $19/mo
iWeaver lets users upload documents, videos, audio, and images to extract key concepts, generate summaries, and build mind maps. It supports structured Q&A, data extraction, and visual mapping for research, analysis, and legal review. Modular agents enable API integrations for workflows.
Freemium
- $9.9/mo
Eightify uses AI to extract key ideas from YouTube videos, delivering timestamped bullet‑point summaries, full transcripts, and comment insights via a Chrome extension and mobile apps. It supports 40+ languages, helping users preview, note‑take, and share content efficiently.
Freemium
Topical Map AI automates social media and SEO keyword research, generating over 1,000 targeted keywords in seconds. It offers map creation, metrics viewing, and filtering capabilities across 20+ languages, streamlining content strategy for bloggers and marketers.
Freemium
Thunderbit automatically extracts structured data from websites, PDFs, images, and documents using natural‑language column definitions, supports multi‑page scraping, offers templates for e‑commerce and real‑estate sites, and exports to Google Sheets, Airtable, and Notion.
Freemium
- $9/mo
TopicMojo aggregates data from 50+ sources, producing models, keyword insights, and user questions. Its Social Model maps conversations on Reddit, Twitter, Instagram, etc., while Question Finder and Search Listener uncover common queries and new searches. SEO metrics guide ranking potential.
Freemium
QuoteFinder AI is a tool that locates specific passages in documents, books, and blogs, supporting PDF and EPUB formats for efficient searches. It offers chat and quote modes for interactive dialogue or direct excerpt retrieval, with bulk uploads for instant access to information.
Freemium
- $9.95/mo
AI Summarizer quickly condenses essays, reports, and articles into short paragraphs or bullet lists. Paste text, upload DOCX/TXT/image, or give a URL; adjust summary length or set custom styles. Supports Spanish, French, German, Portuguese, and offers private, downloadable .docx outputs.
Free
This tool quickly analyzes and summarizes documents, websites, long audio or video files by organizing the content into key points, highlights, and insights, making it easier to understand and find important information.
Free
Wordtun Read is an AI tool that helps users quickly understand and summarize long documents by cutting down word count and digesting important information from various sources.
Freemium
y2doc is an AI-powered tool that converts YouTube videos into structured documents for easy data extraction and analysis. It offers fast processing, security features, and customizable content ranges for tailored results.
Free trial
Toolsaday is an AI platform offering text generation, email drafting, paraphrasing, story creation, and text‑to‑speech. It helps writers, marketers, students, and business professionals produce content quickly and customize models via an integrated developer hub.
Subscription
- $7.99/mo
Needle.app is a knowledge threading platform that centralizes documents, apps, and data into a searchable AI knowledge base. It automates workflows for tasks like document processing, data extraction, and personalized outreach across sales, HR, and other teams.
Freemium
- $29/mo
Generate up to four keyword‑optimized article titles from a single topic. The tool offers SEO‑friendly headlines, click‑bait options, metadata like character count and keyword density, enabling bloggers, marketers, and researchers to plan content quickly.
Free
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
Freemium
- $12/mo
NoteGPT transcribes and summarizes lectures, meetings, and recordings in any language, offering PDF/PPT/book/video overviews, translation, and AI drafting tools. It also supports text‑to‑speech, voice cloning, infographics, slide generation, and multi‑model chat assistance.
Free trial
- $9/mo
Exa provides a low-latency web search API and crawler with vertical search (companies, people, code), token-efficient excerpts and machine-readable extracts with grounded citations, enabling agent workflows, analytics, and enterprise-ready security and access controls.
Freemium
ContentDetector.AI is a free tool that identifies AI-generated written text, including Chat GPT and GPT 3 content, and provides an estimated percentage score of AI generation likelihood.
Free
AISEO Free paraphrasing tool for content with high uniqueness
Free trial
All‑in‑one platform integrating GPT‑4o, Claude, Gemini, and others for unified text, image, video, and document AI. Offers summarizing, translation, prompt templates, workflow tools, quiz creation, SCORM export, web search, subtitles, dubbing. SOC II‑compliant with field‑level encryption and data is
Subscription
- $8/mo
Ask Youtube is a text‑based AI that retrieves precise timestamps for any YouTube video, summarizing sections, highlighting key points, and helping educators, students, researchers, and creators locate specific content quickly.
Free
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
XSpaceGPT converts Twitter Spaces audio into concise text summaries, providing AI-generated highlights, timelines, and speaker insights. This tool supports multiple languages, enhancing accessibility for educators, marketers, and content creators seeking efficient information consumption.
Subscription
- $50
TubeOnAI automatically summarizes videos, podcasts, PDFs, and web content, offering multilingual text and audio outputs. It auto‑subscribes to channels for instant updates and transforms insights into blogs, social posts, newsletters, scripts, and mind maps with one click.
Freemium
- $19/mo
Paraphrasing Tool rewrites up to 2,000 words per batch, allowing style selection and short‑form editing in 110+ languages. It provides a variability score, a plagiarism checker, and serves marketers, copywriters, educators, and students.
Freemium
- $29/mo
Aithor automates essay creation, literature reviews, and topic ideation for academic and creative writers. It provides access to 10 million verified sources, manages MLA/APA citations, offers grammar checking, paraphrasing, summarization, and tone adjustment to streamline writing.
Freemium
Textero is an AI academic writing assistant that drafts, edits and exports essays from uploaded guidelines and sources, with citation formatting (MLA, APA, Chicago), plagiarism/AI-detection, PDF summarizer, outline generator, paraphraser, research tools, and Google Docs export.
Freemium
- $19.99/mo
Prompt AI Tools offers free AI utilities for text generation, grammar correction, email drafting, unit/currency conversion, DNS/IP lookup, code assistance, and productivity aids such as task planning. Useful for students, marketers, and IT professionals.
Free
TubeMemo: AI browser extension that extracts YouTube transcripts, highlights key points, produces summaries, mind maps, flashcards; supports annotations, multi‑language, library, drafts for blogs, tweets, study guides; useful for professionals, students, creators, educators, journalists.
Free
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, markete
Free
Machined automates keyword research, topic clustering, internal linking, and article creation, producing research‑backed content with optimized links and citations. It publishes full clusters to WordPress, Webflow, or via webhook in one click, supporting 100+ languages.
Freemium
- $29/mo
Chat & Ask AI combines web search, image generation, link analysis, document chat, and YouTube summarization in one interface. It offers up‑to‑date answers, multilingual support, file uploads, and a prompt library, powered by GPT‑5.2, Gemini, Claude, and Stable Diffusion XL.
Free
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
AI Humanizer refines text by restructuring sentences to improve flow and reduce mechanical patterns while preserving meaning. It offers adjustable rewrite modes, selective paragraph editing, keyword protection, and built‑in AI detection and plagiarism checks.
Free trial
- $8/mo
The summarize.tech AI tool generates video summaries for long YouTube videos, lectures, live events, and government meetings using chat GPT-tri, allowing users to request summaries for various content types.
HumanizeAI.tools is a text humanization tool that transforms AI-generated content into natural, human-like writing, bypassing AI detection systems. It supports multiple languages, preserves original meaning, and delivers humanized text instantly through a user-friendly interface.
Free trial