Free AI Tools Directory
Discover 2627+ free and freemium AI tools across 50+ categories. Filter by category, use case, and features. Updated daily.
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API Access
Has APIPitchbreeze
PitchBreeze is an AI sales copilot that automates prospect research and generates tailored outreach (email/LinkedIn) by monitoring target companies for relevant signals, revealing pain points, and identifying decision makers.
SalesArounddeal
AroundDeal is a global B2B data infrastructure platform built for the AI era, offering a self-serve platform, scalable custom datasets, and real-time APIs for automation and AI workflows.
Business Intelligence
Webfill
WebFill is a browser AI extension that automates form filling, survey completion, data entry, multiple-choice question solving, and email generation/response using advanced AI models and a screen-capture Vision feature.
Automation
Undetectable
Undetectable provides an AI Essay Writer and suite of AI content tools that generate human-like, multilingual essays and detect or humanize AI-generated text and images, marketed to students and professionals seeking fast, high-quality writing that can bypass AI detectors.
Education
Knowledgie
Knowledgie is an AI-powered research assistant that provides fact-based answers sourced from millions of research papers, plus PDF chat, automated citations, and a library to organize research for students, researchers, and physicians.
Research
Bypassai
BypassAI is an AI humanizer and AI detection remover that rewrites AI-generated text into human-like, plagiarism-free content designed to bypass popular AI detectors and plagiarism checks.
AI Detection
Bookaroozie
Bookaroozie is an AI-powered interactive document and book reader that turns PDFs, EPUBs, DOCX, TXT and more into conversation-ready reading experiences—allowing users to highlight text, ask LLMs for explanations, save highlights, and read distraction-free with automatic progress saving.
Education
Text-humanizer
Text-Humanizer is a web-based AI tool that converts AI-generated text into human-like, well-structured content. It offers a free core humanizer and paid Pro/Unlimited plans for advanced control over tone, voice, length and other premium features.
Writing & Text
Vedicastrogpt
Vedic AstroGPT is an AI-powered web app that combines traditional Vedic astrology with advanced language models to deliver personalized birth-chart (kundli) readings, predictions for love, career, education, health, and on-demand AI astrologer responses.
Chat
Hubble
Hubble is an end-to-end enterprise user research platform that supports unmoderated and moderated studies, participant recruitment, AI-assisted analysis, and study templates to streamline UX, product, and marketing research workflows.
Research
Aicoloringpages
AIColoringPages is a web-based generator that creates custom, printable coloring pages from user text prompts using Stable Diffusion XL, offering a broad range of themes for kids and adults.
Image & DesignChrome
Casper AI is a Chrome extension that uses AI to summarize web pages and PDFs, create shareable insights, and help professionals quickly understand and act on online content.
ResearchGet
Murf AI is an AI voice platform that generates ultra-realistic text-to-speech, voice cloning, voice changing, and AI dubbing across 20+–35+ languages with 200+ voices, aimed at creators, enterprises, and developers building voice agents and audio products.
Voice & SpeechYoutubesummarizer
YouTube Summarizer is a free, AI-powered web tool that generates concise summaries of YouTube videos (up to 3 hours) by using available transcripts. It supports multiple languages and offers customizable summary styles without requiring an account.
Education
Gptzero
GPTZero is an AI content detection platform designed to identify text generated by large language models (ChatGPT, GPT-5, Gemini, Claude, Llama, etc.), verify authorship, detect hallucinated citations, check plagiarism and grammar, and provide in-depth writing reports for educators, publishers, and organizations.
AI Detection
Frase
Frase is an AI-powered SEO and GEO (Generative Engine Optimization) platform that automates research, strategy, writing, optimization, and publishing to help content teams rank on Google and get cited by AI engines like ChatGPT and Perplexity.
SEO
Pdfpeer
PDFPeer lets you upload PDFs and chat with them—ask questions, get summaries, search contents, and extract information from documents like contracts, receipts, research papers and study materials. It’s positioned for students and professionals and is offered for free.
Education
Passed
Passed.AI is an education-focused toolset that helps teachers evaluate student work for AI-generated content and plagiarism, while providing document audits, replay/history reports, and a Chrome extension for Google Docs.
Education
welle-ai
welle-ai is an open-source toolkit designed for speech signal processing and analysis, providing tools for speech recognition, speaker diarization, and other speech-related tasks.
Voice & Speech
ipick-ai
iPick.ai is an AI-powered stock research platform that accelerates analysis on over 6,000 stocks, ETFs, and more, offering tools like synthetic news summaries, AI search, and ticker ranking to help investors discover top picks and market insights.
Financeouro
Ouro is a collaborative platform where curious individuals share data, APIs, and ideas to tackle big challenges through open research and community-driven innovation.
Research
yasna-ai
Yasna AI is an AI-powered platform that enables easy and scalable in-depth interviews using text, voice, and video. It automates the research process with human-quality moderation and machine efficiency, supporting market researchers, product managers, and HR managers in gathering rich insights.
Research
glyph-ai
Glyph AI is an AI-powered platform designed to transcribe, summarize, and analyze lectures, meetings, and company data, providing AI assistants that enhance productivity and insight generation for students and businesses.
Productivitybright-data
Bright Data is a comprehensive web data platform offering advanced scraping APIs, proxy services, and AI-ready datasets to unlock, access, and extract structured web data at scale for various industries and AI applications.
Business Intelligence