Free AI tools are suitable for validating requirements first, completing lightweight tasks, or controlling personal usage costs. This page features products that offer long-term free plans, focusing on free limits, export restrictions, commercial authorization, and whether payment methods need to be bound, making it easy for users to find options that can truly be used continuously.
Microsoft 365 Copilot is Microsoft's enterprise-grade AI assistant integrated into Microsoft 365 apps like Word, Excel, PowerPoint, Outlook, and Teams, designed to enhance productivity and creativity. By combining large language models (such as GPT-4o) with Microsoft Graph data, Copilot can automatically write documents, analyze data, generate presentations, draft emails, and summarize meeting content based on the user's natural language instructions. Copilot Chat offers free AI chat features that support file uploads and web page information integration, while Copilot Studio allows businesses to create custom AI agents to automate business processes. Microsoft 365 Copilot emphasizes enterprise-grade security, privacy, and compliance for individual users, small businesses, and large enterprises to enable digital transformation.
Instant PPT is an online PPT generation and editing platform based on AI technology, users only need to enter a topic or upload Word/text, and can automatically complete content filling, intelligent layout and multi-style template application within 10 seconds, effectively improving the efficiency of presentation production. The platform has built-in 10,000+ high-end templates updated every day, and is equipped with an AI assistant dialogue function, which can provide optimization suggestions for charts, pictures and copywriting details; At the same time, it supports multi-format import and export (PPTX, PDF, PNG, etc.) to meet the needs of multiple scenarios such as business reports, teaching speeches, and project proposals, making it an efficient office tool for professionals and educators.
TOTVS Fluig is an enterprise-grade digital work platform developed by TOTVS, a Brazilian software company, designed to enhance organizational operational efficiency and collaboration by automating workflows, centralizing document management, and integrating ERP systems. The platform supports functions such as process modeling and automation (BPM), document management (ECM), metric generation, and access control to help enterprises achieve digital transformation of business processes. Fluig offers flexible deployment options, including on-premises and cloud services, and supports mobile access, ensuring that users can work efficiently from anywhere.
PPT is an intelligent AI office platform based on advanced large models, providing fully intelligent one-click PPT generation solutions. Users only need to enter topic keywords, upload documents or web links, and the system can automatically generate slides with clear structure and visual beauty, with built-in massive industry templates, intelligent layout, automatic image and chart generation functions, and support multi-terminal online editing and PPTX format export. Without professional design experience, business reports, teaching demonstrations, and project plans can be efficiently completed, relying on cloud storage and permission management to ensure data security and significantly improve the efficiency and quality of presentation production.
Notion AI is an intelligent assistant integrated into the Notion collaboration platform, designed to enhance user productivity and content creation. It leverages advanced large language models like GPT-4.1 and Claude 3.7 Sonnet to provide a wide range of AI capabilities, including text generation, content translation, grammar correction, summary extraction, tone adjustment, and data analysis. Users can quickly create documents, meeting notes, project plans, flowcharts, and more through natural language prompts. Notion AI also supports cross-app search, with the ability to find information in integrated platforms like Notion, Slack, Google Drive, and more, generating context-based answers and insights. Additionally, Notion AI emphasizes data privacy and security, employing TLS encrypted transmissions and complying with international security standards such as GDPR, CCPA, SOC 2 Type II, and ISO 27001.
AiPPT is an AI office platform for professionals and educational users that allows users to generate a complete PPT with one click by entering a topic or uploading a document. The platform integrates functions such as automatic outline and copywriting, Word/document slide change in seconds, and massive high-quality template replacement and compatibility with .pptx formats, realizing the whole process from content conception to page layout. Generate professional slides with clear structures and aesthetically pleasing without the need for professional design skills, helping users efficiently produce reports, teaching courseware, and marketing presentations, significantly improving production efficiency.
EchoMark is an AI-based stealth watermarking and leak tracking platform focused on preventing internal information leakage. The platform makes each recipient's content unique by embedding personalized invisible watermarks in documents, images, and emails, making it easy to quickly trace the source in case of a breach. Its SecureView feature replaces traditional accessories, providing a controlled secure link for enhanced data breach prevention. EchoMark supports integration with Microsoft Exchange, Gmail, and other platforms, making it suitable for government, finance, healthcare, and other industries, helping organizations improve information security and traceability without impacting workflows.
Edraw MindMaster is a cloud-based online mind mapping tool under Edraw Software, which supports real-time collaborative editing on Windows, Mac, Web and mobile. The platform provides more than 1,000 professional templates and a variety of structure styles, combined with AI intelligent assistants, to generate mind maps from text with one click and intelligently annotate and polish them; It supports export in PDF, PNG, Word and other formats, and can be privatized and deployed and connected to enterprise WeChat, DingTalk, etc., to meet the needs of team brainstorming, project planning and knowledge management.
Globe Explorer is an AI-powered knowledge exploration platform designed to help users discover, organize, and share information efficiently through visual and structured methods. Users only need to input the topic they are interested in, and the platform will generate a personalized Wikipedia-like page, combining mind maps and images to present various aspects of the topic. The platform utilizes large language models (LLMs) to analyze queries and extract relevant data from the web, making it suitable for students, teachers, researchers, and professionals looking to gain insights into specific topics. Globe Explorer emphasizes interactivity and collaboration, allowing users to add notes, share discoveries, and promote knowledge co-construction.
GigaBrain is an AI-based search engine that focuses on extracting the opinions and experiences of real users from Reddit and other online communities. By scanning billions of discussions, GigaBrain is able to provide users with the most relevant and useful review summaries, accompanied by source citations, helping users quickly get authentic answers. Its Chrome extension automatically displays relevant Reddit comments when users conduct Google searches, enhancing search efficiency. GigaBrain also offers advanced features such as review scoring, content archiving, and issue publishing, making it suitable for various scenarios such as product research, market analysis, and content creation.
CrowdView is an AI search engine focused on forums and community discussions, designed to help users quickly find authentic, non-SEO-optimized user perspectives and experience sharing. The platform indexes Reddit, Hacker News, MetaFilter, and over 3000 niche forums covering a wide range of topic areas. CrowdView provides a pure search experience by removing blog spam and marketing content, making it ideal for finding product recommendations, technical question answers, and real user feedback. Users can use it without signing up, and the platform also offers a Chrome extension that allows for synchronized forum discussions in Google search results.
DorkGPT is an AI-powered Google Dork query generator tool designed to help users efficiently construct advanced search statements to reveal hidden web page data and potential security vulnerabilities. Through natural language processing technology, users only need to input simple query requirements, and DorkGPT can automatically generate accurate Google Dork statements, suitable for various scenarios such as cybersecurity audits, open-source intelligence (OSINT) research, and academic data retrieval. With an emphasis on responsible use, the platform encourages users to explore information within a legal and ethical framework, making it an ideal aid for security researchers, journalists, and data analysts.
BookAbout is an AI-powered book search engine designed to help users discover their next favorite book with ease. Leveraging advanced natural language processing technology, the platform enables users to search by inputting topics, plots, or concepts, not just for keywords. With a database of over 500,000 books, covering various genres and authors, BookAbout is constantly updated to ensure the most up-to-date book selection. Its AI algorithms analyze user preferences and provide personalized book recommendations, suitable for individual reading, book club recommendations, and book recommendations for educational institutions.
Play by Hyperspace is an AI-powered information exploration tool designed to help users gain insights into various topics quickly and accurately. Users can choose the desired data sources and AI providers to generate personalized information networks. The platform supports obtaining real-time and relevant answers from various data sources such as web searches and PDF files, and displays the correlation between information through a graphical interface, improving the efficiency of information organization and analysis. Play by Hyperspace is particularly suitable for researchers, content creators, and users interested in complex topics, providing an intuitive and efficient way to explore and understand information.
iAsk.Ai is an advanced free AI search engine designed to provide instant and accurate answers through natural language processing technology, simplifying the information retrieval process for users. Users can ask questions conversationally, iAsk.Ai leverage its powerful AI models, including Transformer neural networks, to understand the context of queries and provide high-quality responses. The platform supports a wide range of features such as document analysis, web content summarization, AI image generation, and grammar checking, catering to the diverse needs of students, researchers, and professionals. The iAsk Pro version excels in multiple benchmarks, with an accuracy rate of over 90%, and is named one of the best search engines of 2025.
Andi is a next-generation search engine powered by generative AI designed to provide straightforward, trustworthy answers rather than traditional lists of links. Through natural language processing and real-time data integration, Andi can understand the context of user queries and generate accurate summaries and explanations, improving search efficiency. Its interface is conversational, and users can search as if they were communicating with an intelligent assistant. Andi emphasizes user privacy, promising ad-free, track-free, and secure user data. It is suitable for various scenarios such as daily information query, technical question answering, and content creation assistance, and is committed to providing users with a concise and efficient search experience.
Liner is an AI search engine for students, researchers, and professionals that focuses on providing trustworthy academic information and efficient research assistance. The platform leverages advanced AI technology to extract information from reliable sources, ensuring accuracy and trustworthiness in search results. Liner's core features include providing accurate answers with source references, AI summarization that simplifies complex information, and recommending follow-up questions based on user queries, helping users explore relevant topics in depth. In addition, Liner supports multi-platform use, including web pages, mobile apps, and browser extensions, making it convenient for users to conduct efficient research and learning anytime, anywhere.
Vespa.ai is a high-performance AI platform for enterprises designed for building and running data-driven applications at scale. It integrates vector databases, hybrid search, natural language processing (NLP), machine learning, and large language model (LLM) support to process billions of changing data items with millisecond latency. Vespa supports multimodal retrieval and real-time inference for search, recommendation, personalization, and generative AI (RAG) scenarios. Its distributed architecture ensures high availability and elastic scaling, making it widely used in industries such as e-commerce, finance, healthcare, and government.
Scite is an AI-powered academic research tool designed to help researchers, students, and academics discover and evaluate scientific literature more efficiently. Its core feature, Smart Citations, uses deep learning techniques to analyze the context of citations and classify them as supportive, refutative, or neutral, providing an in-depth understanding of the impact of research articles. Scite offers an AI assistant that can answer research questions and provide citation support from trusted academic sources, enhancing research efficiency. The platform also supports citation chain analysis, advanced literature search, and personalized research dashboards, making it easy for users to track the latest developments in specific fields. Additionally, Scite offers browser extensions, embeddable reference badges, and API interfaces, making it easy for users to integrate across different platforms. Currently, Scite has analyzed more than 1 billion citations, covering more than 200 million articles, books, preprints, and datasets, and is widely used in academic research, literature review, and scientific research aids.
Perplexity AI is a conversational search engine that blends generative AI with real-time search capabilities, dedicated to providing users with direct, credible, and cited answers. Users can ask questions through natural language, and the platform obtains information from the network in real time and generates structured answers, suitable for various scenarios such as research, writing, learning, and daily queries. Its core features include Pro Search, Deep Research, Spaces, and Pages, which support multiple rounds of conversation and contextual understanding. Perplexity offers both free and Pro subscription versions, with Pro users accessing a wide range of models such as GPT-4o, Claude 3.5, Gemini Flash 2.0, Llama 3, and support for image generation, file uploads, and API access. Available for iOS, Android, and macOS, the platform is available for developers, researchers, content creators, and business users to efficiently capture and process information.
Bagoodex is a search and generation platform that integrates multimodal AI capabilities, dedicated to providing an accurate, efficient, and privacy-friendly user experience. The platform uses a self-developed intent recognition system to automatically analyze user requests, intelligently match and deploy the most suitable AI tools, such as web search, conversational AI, text generation, image creation, and music generation, without users manually selecting models or patterns. Bagoodex supports multilingual input, has a simple and intuitive interface, and provides functions such as AI chat, content creation, image generation, and music creation, making it suitable for various scenarios such as content creators, educators, and business users. The platform pays attention to user privacy and promises not to track user behavior to ensure data security. Currently, Bagoodex is free to use, with desktop apps, mobile apps, and browser extensions coming in the future to further enhance the user experience.
Mindfulq is an advanced AI search engine designed to enhance user productivity and search experience. By integrating natural language processing and machine learning techniques, Mindfulq is able to understand users' search intent and provide precise and relevant search results. Its interface is simple and intuitive, supporting multiple search modes, including text, voice, and image search, catering to different user needs. Additionally, Mindfulq offers personalized recommendations to recommend relevant content based on users' search history and preferences, enhancing search efficiency. The platform also pays attention to user privacy and promises not to track users' search behavior to ensure the security of users' data. Mindfulq is suitable for researchers, content creators, students, and more, helping them access and process information efficiently.
The new Bing is an AI-powered search engine launched by Microsoft that integrates the Copilot chat assistant and generative search capabilities, aiming to provide a smarter and more personalized search experience. Based on GPT-4 and Microsoft's Prometheus model, Bing can understand complex queries, generate structured summaries, and provide cited answers to help users access information efficiently. Its Copilot feature supports multi-round conversations, personalized memory, web page and screen analysis, as well as image and video generation, suitable for various scenarios such as content creation, programming, research, and more. Additionally, Bing offers an AI image generator and video creation tool that allows users to quickly generate visual content through natural language prompts. The new Bing emphasizes privacy protection, and users can choose whether to enable personalization features or not, which is suitable for users who have high requirements for search quality and data security.
Algolia is a leading AI search-as-a-service platform that provides businesses with fast, relevant, and scalable search and discovery solutions. Its core products include AI Search, AI Browse, and AI Recommendations, supporting features such as natural language processing (NLP), semantic search (NeuralSearch), personalized recommendations, and dynamic reflow to help users improve their search experience and conversion rates. Algolia's API is easy to integrate and supports multiple programming languages and platforms, making it suitable for various industries such as e-commerce, media, SaaS, and more. The platform processes more than 1.75 trillion search requests annually, serves more than 18,000 customers worldwide, and has a 99.999% availability guarantee. Additionally, Algolia offers a variety of pricing plans, including free trials, pay-as-you-go, and custom enterprise plans, catering to businesses of different sizes.