Free AI Tools Directory

Graph Maker AI is a free, web-based AI-powered graph and chart creator that converts pasted or uploaded data into presentation-ready visualizations instantly, with editable styles and AI-generated insights.

PDFT (PDF Translator / PDFT.AI) is an AI-powered online document translation service that translates PDFs, Office files, scans and images while preserving original layout and formatting, supporting 100+ languages and right-to-left scripts.

Lunchbreak is a web tool that detects AI-written patterns in text and rewrites content to reduce or remove AI-detection scores, targeting students, writers, and freelancers who want to check and humanize writing before submission.

MakeInfographic is an AI-powered infographic generator that turns text, notes, or data into ready-to-download infographics, timelines, comparisons, and charts with no sign-up required.

Conch AI is an AI-powered writing and study suite that helps students, researchers, and educators rewrite, simplify, and organize academic work through tools like rewrite mode, flashcards, mindmaps, smart notes, and more.

Paperpal is an AI-first academic writing assistant that helps researchers, students, and publishers research, write, edit, check for plagiarism, and prepare manuscripts for submission via web and integrations (MS Word, Google Docs, Chrome, Overleaf).

Transcriptly is a web-based audio and video transcription service that converts YouTube videos and uploaded media into accurate text, summaries, and subtitles using AI, supporting 98+ languages and multiple export formats.

Wudpecker is an AI meeting assistant that records and generates personalized notes and insights for Zoom, Google Meet, and Microsoft Teams meetings, designed for teams and product managers to capture details, surface action items, and shorten recordings into concise digests.

Undetectable AI is a web platform that detects AI-generated text and images, and humanizes AI-assisted writing with rewriting tools, a Chrome extension, and business features to help users submit content that appears human-written.

Curvedo is an AI-powered academic paper generator that researches, drafts, and cites well-structured academic papers using real sources, user-uploaded PDFs, and configurable options (length, tone, citation style).

Inpodcast AI is a web-based AI podcast studio that converts documents, scripts, and text into professional-sounding podcast audio using TTS, voice cloning, and automated structuring to help creators, businesses, and educators produce audio at scale.

GoTranscript is a transcription, captioning, translation and subtitling service offering human-made publish-ready transcripts (99.4% accuracy) and automated AI transcriptions, plus a REST API and enterprise solutions for high-volume or secure workflows.

AI OCR is a browser-based AI-powered OCR tool that converts images and PDFs into editable text, Excel/CSV, or high-quality images while processing locally for privacy and preserving original layout and formatting.

AIBypass is a web service that rewrites AI-generated content into natural human text using StealthGPT’s proprietary undetectable AI engines, with a stated focus on bypassing Turnitin and other AI detectors like GPTZero, Originality.ai, and Copyleaks.

PDFPeer is a web app that lets you upload PDFs and 'chat' with them using AI-powered question answering, summarization, and search — aimed at students and professionals for fast document understanding and retrieval.

AlphaWiseWin is a web platform that uses large language models to generate one-click AI stock analysis reports by synthesizing market data, fundamentals, and news into technical, fundamental, sentiment, and risk assessments for investors and traders. It currently supports US stocks and provides daily post-close updates and an AI-rated market heatmap.

Gist AI is a free Chrome extension that uses ChatGPT to instantly summarize websites, YouTube videos and PDFs (including local files), with features to deep-dive into sources and jump to relevant video moments.

GAJIX is an AI-powered learning platform that creates personalized, adaptive curricula and study experiences to help learners master any subject faster, offering syllabus generation, real-time feedback, experience projects, and thought exercises.

Mapify is an AI-powered mind map generator and summarizer that converts YouTube videos, PDFs, webpages, audio, images and other documents into visual mind maps in seconds, using LLMs such as GPT and Gemini. It targets learners, students, and professionals who want faster understanding, idea generation, and presentation-ready outputs.

aiPDF is a web-based AI-powered PDF chat and document analysis app that lets users upload or link documents (PDFs, EPUBs, webpages, YouTube) to get summaries, extract information, and ask questions with source-backed answers.

UserEvaluation is an AI-first user research platform that hires AI agents to recruit participants, run interviews and surveys, transcribe and analyze audio/video/text, and produce cited reports, decks, and clips for research teams.

ColoringMaker is an AI-powered web app that generates custom printable coloring pages from text prompts, photos, or names, aimed at parents, teachers, hobbyists and professionals who want unique coloring sheets.

AI Text Humanizer is an online paraphrasing tool that converts AI-generated content into more natural, human-like text intended to bypass common AI detectors and improve readability. It offers a free no-signup trial and a PRO option with API access.

Winston AI (Gowinston) is an AI content integrity platform that detects AI-generated text and images, checks plagiarism, and provides writing feedback, grammar correction, essay grading, and website certification. It targets educators, publishers, SEO professionals, and writers and offers an API and integrations for embedding detection into workflows.