Free Research AI Tools

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.

ChatPaper is an AI-powered web library for researchers that aggregates papers from top AI conferences, delivers personalized daily paper feeds with AI summaries, and enables conversational interaction with papers via a ChatDOC interface.

DimeADozen.ai is an AI-driven startup idea validation service that generates research-backed, source-linked reports to help founders decide whether to build a business. It offers a free 2-minute idea score and paid one-time reports (from $9 to a $129 Entrepreneur report) with citations and cohort math.

ScrapeTheMap is a downloadable desktop application (Windows/macOS) that scrapes business data from Google Maps, Bing Maps and Yandex Maps and enriches results (reviews, emails, social links) with AI-powered outputs for B2B lead generation and location-based research.

Quetext is an online originality and writing-assistance platform offering DeepSearch™ plagiarism detection, AI content detection and remediation tools (AI Detector, AI Humanizer, AI Summarizer, AITutorMe), citation generation, grammar checking, bulk file scanning, and API and browser-extension access for individuals, educators, and teams.

ProxyShare is a commercial proxy and web data collection platform offering residential, static, ISP and data center proxies plus scraping APIs and tooling designed for large-scale web scraping, AI data collection, and automation across 195+ locations and a 75M+ residential IP pool.

Paperguide is an all-in-one AI research assistant that helps researchers, students, and professionals find and analyze research papers, streamline literature reviews, manage references, and generate academic writing using AI-backed citations.

Humata is an AI-powered document assistant that answers questions, summarizes, and extracts insights from uploaded files (especially PDFs), providing cited answers and team-focused features for research and knowledge management.

TubeOnAI is an all-in-one AI summarizer and repurposing platform that generates concise summaries and ready-to-publish content from videos, podcasts, articles, PDFs, slides, and other publicly available sources.

Petal is a document analysis platform and generative AI that links to your own knowledge bases to produce fully sourced, context-aware answers and lets you train AI on your documents to support research and professional work.

Sourcely is an AI-powered academic search assistant that finds, summarizes, and helps you cite credible scholarly sources from a corpus of 200+ million papers by pasting your essay or text and applying advanced filters.

ChatPDF is an AI-powered web app that lets you chat with PDFs and other documents to summarize, analyze, translate, and extract information with built-in citations. It targets researchers, students, and professionals and offers free and paid plans.

BlockSurvey is a privacy-first, AI-powered survey and form platform that combines end-to-end encryption and data ownership with AI-driven survey creation, adaptive follow-ups, and automated analysis for businesses, researchers, and enterprises.

GlobalGPT is a multi-model AI aggregation platform by Future Share LLC that gives one-account access to 100+ large language, image, audio, and video models (including GPT-5.5, Claude Opus 4.7, Gemini 3.1 Pro, DeepSeek V4 Pro, Grok 4.1 Fast) for work, creation, and research under subscription plans.

PDF GPT is an AI-powered tool for interacting with PDF documents: it summarizes, finds information, translates, and returns answers with page citations across single or multiple PDFs, supporting 90+ languages and aimed at researchers and professionals.

AskYourPDF is an AI-powered document assistant that lets users chat with, summarize, search, and manage PDF documents, fill PDF forms automatically, and embed an AI agent on websites. It offers apps, browser extensions, and integrations for academic and professional workflows.

Knowledgie is an AI-powered research assistant that delivers fact-based answers and summaries backed by millions of research papers, with features for searching by question, chatting with PDFs, building a knowledge base, automated citation generation, and cloud PDF storage.

Knowbase is an AI-powered knowledge base that turns documents, audio, video, and web content into a searchable AI assistant — offering document chat with clickable source citations, AI transcription with speaker diarization, and embeddable chatbot widgets for websites.

Reddinbox is an AI-powered audience intelligence SaaS that scans social platforms and forums (Reddit, X, Bluesky, Hacker News, Facebook, etc.) to surface high-intent signals, pain points, sentiment and structured, citable insights for product, marketing, and research teams.

WebSearchAPI.ai is a web search and retrieval API for applications that need current information from multiple search engines and public communities. It can fetch page content, deduplicate and rerank results, and return search results, structured data, or grounded AI responses.

Ressearch AI is an AI-powered workspace for reproducible scientific research that unifies literature search, data acquisition, analysis (Python/R), visualization, editing and publication-ready exports in a single cloud environment aimed at researchers and teams.

Skriptr is an AI-powered research and writing platform for academic work that helps you research, learn, and write from your own uploaded sources while producing traceable citations and collaborative documents.

Lattics is a local-first, card-based knowledge management and immersive writing application designed for academic research, thesis and report writing, and creative projects — combining AI-assisted writing, citation automation, PDF translation, formula/OCR support, mind maps, timelines and interactive charts.