免费 AI 工具
下面每个工具都可免费使用或带免费套餐；部分工具另有付费档，入选只看免费部分。
Microsoft's free DALL·E-powered image generator
Google Labs image generation experiment
Open-source chat interface for community models
Desktop app for running local LLMs
Conversational assistant focused on supportive dialogue
Paper discovery and collection sharing
AI-powered academic paper search
Homework help by photo or text
Discontinued OpenAI video tool; existing-content export information
Summaries of long YouTube videos
AI website builder for WordPress
AI composer for soundtracks and cues
Adobe's generative image, video and design tools
AI audio cleanup and enhancement for spoken word
SEO tools for backlinks and keywords
Face swap, avatars and video translation
AWS coding assistant with cloud context
Product analytics with AI insights
Blend and evolve images with generative models
Work management with AI assistance
Speech AI APIs for transcription and understanding
Build internal apps from prompts
Code search and completion assistant
Prompt-to-app builder in the browser
Email marketing and CRM with AI content help
No-code web app builder with AI features
Social scheduling with AI-assisted post writing
Design platform with AI writing, image and layout tools
Video editor with AI captions, effects and templates
AI editing and captions for short video
Low-latency text-to-speech API
Create and chat with community-made AI characters
Zhipu AI's bilingual chat assistant
Conversational AI for writing, analysis and everyday tasks
Ask questions and summarize PDF documents
Desktop client for hosted and local models
Community hub for open image models, LoRAs and prompts
Long-context AI assistant for writing, analysis and code
Project management with an AI assistant
Background removal and photo cleanup tools
Calendar optimization and focus time
Custom coding assistant for VS Code
AI code reviews on pull requests
Free AI code completion for popular IDEs
Visual graph of related papers
Search scientific papers and synthesize findings
Framework for multi-agent workflows
AI-first code editor with multi-file agents
Talking avatars and face animation
OpenAI's text-to-image model inside ChatGPT and the API
High-accuracy translation for text and documents
Open-model chat assistant and low-cost developer API
Speech recognition API for developers
Edit video by editing its transcript
Build LLM apps and agent workflows
ByteDance's assistant for chat, voice and images
Stability AI's browser image generation studio
Language learning with AI conversation practice
Baidu's ERNIE-powered assistant
Text-to-speech and voice cloning for creators
AI research assistant for literature review
Black Forest Labs image models with strong prompt adherence
Free AI meeting recorder and summarizer
Meeting notes and agenda management
Video editor with AI-assisted tools
Google's AI-assisted app development workspace
AI meeting notes and conversation search
Text-to-speech and voice cloning with 2M+ community voices
Turn scripts into narrated videos
Photo editing and design with AI tools
Visual website design with AI agents and managed publishing
Detect AI-generated text in documents
Generate presentations and documents from prompts
Google's multimodal assistant across Search and Workspace
Creative video generation from prompts
Apps from spreadsheets and databases
Prototype with Gemini models
Grammar, clarity and tone suggestions while you write
AI notes that combine your jottings with meeting audio
xAI's assistant with real-time information from X
Visual AI automation for business teams
AI video generation from prompts and photos
Animate portraits and characters from audio
Readability editor that highlights complex prose
AI avatar videos from scripts
AI features across HubSpot CRM and marketing tools
Model hub and hosted inference
AI writing and browsing assistant
Text-to-image generator with reliable text rendering
Turn prompts into narrated videos with stock footage
AI data analyst that chats with your spreadsheets and databases
AI animation and music video generation
One API key for 200+ AI models
Long-context assistant for documents and research
Short clips from long-form video
Text-to-video and image-to-video generation
Realtime image generation and enhancement workspace
Noise cancellation and meeting notes
Stem separation and vocal removal
AI mastering and music distribution
Multilingual grammar and style checker
Mistral AI's fast assistant for chat and coding
AI art and asset generation with models and editing tools
Upscale and enhance images online
Searchable gallery of AI images and prompts
Build AI agents for repetitive business tasks
Literature maps and citation tracking
Build full-stack apps by describing them in chat
Video generation from text and reference images
Browser image generation with multiple models
AI tools for teachers
Email marketing with AI content tools
Visual automation builder with AI modules
AI-organized notes and personal knowledge base
Meta's assistant across WhatsApp, Instagram and the web
Microsoft's assistant for chat, images and Microsoft 365
Stem separation and practice tools for musicians
AI features across Monday work OS
Browser assistant for chat, writing and summaries
Text-to-speech voiceovers for presentations and ads
Content optimization with semantic analysis
Community art generator with multiple models
Grounded research notes and audio overviews
Workspace for notes, docs, projects and AI search
AI writing and Q&A inside Notion workspaces
Image generation with models, styles and training
One API for many language models
Turn long videos into short clips
All-in-one AI workspace for essays, slides and media
Meeting transcription, notes and action items
Answer engine with real-time search and cited sources
Search and answer engine for developers
Math problem solving from a photo
Product photo editing, background removal and AI staging
Creative editing and AI design suite
Short-form AI video from prompts and images
Developer-first workflow automation
Turns product links into marketing videos and images
Collaborative presentations with AI drafting
AI video from text and photos
Product photo editing for sellers
Browser photo editor with AI tools
Browser image generation and editing with multiple models
Chat with many AI models in one place
Product analytics with AI-assisted insights
Grammar and style checks for long-form writing
AI code review and test generation
Paraphrasing, grammar checking and summarizing
Flashcards and study tools with AI
Alibaba's assistant for chat, coding and multimodal tasks
Meeting summaries and engagement analytics
Smart calendar scheduling for teams
Vector and raster design generation for brands
Build and manage AI agents for teams
AI sitemaps and wireframes for websites
Browser IDE with an AI app-building agent
Translation with context and examples
AI video generation and editing for creative work
Grammar and reply suggestions for teams
Paper summaries and reference extraction
Read, explain and organize research papers
Summaries of scientific papers
Image generation and character art platform
SEO and marketing analytics suite
AI tools inside Shopify
AI email assistant for Gmail
Sidebar assistant for reading, writing and chat
AI writing and design in one workspace
No-code apps on top of data sources
Royalty-free music generation
Codebase-aware assistant for large repositories
Code review and refactoring suggestions
Turn text into speech for reading and study
Stability AI's chat-based image assistant
AI study aids from course material
Generate songs from a text prompt
Low-latency code completion
AI avatar video platform for business training
Summarize articles and long text
Private AI code completion for teams
Generate front-end code and websites
Community image models and generation
AI-generated presentations and narratives
Free AI music generator with unlimited songs on the Melodia v3 model
AI music generation with style and section control
Rewrite AI text to sound more human
Online video editor with AI captions and cleanup
Upscaling and photo enhancement tools
Video-first AI studio for text and image to video
Text-to-video and image-to-video generation
Real-time voice changer and soundboard
Visual website builder with AI assistance
Windsurf is now Devin Desktop, an IDE and agent command center
Automatic editing from transcript cuts
Website builder with AI site generation
Rewrite and rephrase sentences in context
Proofreading and rewriting for academic writing
AI writing assistant for articles, ads and SEO copy
AI search and assistant with cited answers
Automate workflows across thousands of apps with AI
AI text detector with a free checker
AI assistance inside Zoho CRM
Hosted image and video model APIs
Image generation and editing toolkit
Workflow automation with AI nodes and self-hosting
Automatic background removal for images
Meeting recording with AI notes
AI application builder with visual refinement and Vercel deployment