Free AI Tools
Use AI tools for free — no signup, no API key, no credit card. Writing, research, code, image generation, and more.
64 tools · 64 free
What You Can Do
These AI tools run on Glenn's hosted infrastructure. Just open and use — no API key, no signup, no credit card required.
Available Tools
KB Code Lab
Side-by-side comparison: raw model output vs KB-injected code. See curated patterns boost a free CPU model to production quality.
Try KB Code Lab →Concierge
RAG-powered AI chat with real-time knowledge retrieval. Ask about apps, patterns, or anything in the portfolio.
Try Concierge →Prompt Optimizer
Self-improving prompt optimizer. Enter a rough idea, get an engineered prompt through evolutionary scoring and refinement.
Try Prompt Optimizer →Research Copilot (Free)
Glenn-hosted research tool. Drop in PDFs, webpages, screenshots, and notes — get synthesis briefs, cited claims, and decision memos. No API key needed.
Try Research Copilot (Free) →Agent Creator (Free)
Glenn-hosted agent creator. Build custom AI personas, configure their brain, and chat. No API key needed.
Try Agent Creator (Free) →Thinking Chat (Free)
Glenn-hosted thinking chat. Chat with a reasoning model that shows its work. Step-by-step thinking, deep analysis.
Try Thinking Chat (Free) →AIO Documents (Free)
Glenn-hosted document workspace. Analyze, generate, convert, compare documents with AI. No API key needed.
Try AIO Documents (Free) →AI Engineer (Free)
Glenn-hosted AI/ML engineering tool. Architecture design, RAG systems, MLOps pipelines, and deployment strategies.
Try AI Engineer (Free) →AI Dev Code (Free)
Glenn-hosted code assistant. Explain, refactor, debug, generate code with streaming and syntax highlighting. No API key needed.
Try AI Dev Code (Free) →AI Pipeline (Free)
Glenn-hosted pipeline builder. Chain AI steps into automated workflows. Each step's output feeds the next input. No API key needed.
Try AI Pipeline (Free) →Writing Assistant (Free)
Glenn-hosted writing assistant. Draft, edit, summarize, change tone, or translate. No API key needed.
Try Writing Assistant (Free) →Solutions Researcher (Free)
Glenn-hosted research-backed solution finder. Describe any technical problem and get researched solutions. No API key needed.
Try Solutions Researcher (Free) →Multi-Model Chat (Free)
Glenn-hosted multi-model group chat. Watch AI models converse with each other. Manual and automatic modes. No API key needed.
Try Multi-Model Chat (Free) →AI Image Studio (Free)
Glenn-hosted image generation and transformation. Text-to-image via FLUX + image-to-image via Stable Diffusion. No API key needed.
Try AI Image Studio (Free) →Voice Studio (Free)
Glenn-hosted text-to-speech with 50+ voices. Adjustable speed and pitch, preview and playback controls. No API key needed.
Try Voice Studio (Free) →Transcription Hub (Free)
Glenn-hosted speech-to-text. Live microphone transcription and audio file processing with timestamps. No API key needed.
Try Transcription Hub (Free) →OCR Studio (Free)
Glenn-hosted text extraction from images, screenshots, handwriting and documents. Powered by Puter.js vision AI. No API key needed.
Try OCR Studio (Free) →Real-Time Translator (Free)
Glenn-hosted translation between 50+ languages. Side-by-side view, instant results. Powered by Puter.js AI. No API key needed.
Try Real-Time Translator (Free) →Chart Generator (Free)
Glenn-hosted data visualization. Describe data in plain English, get interactive Chart.js charts. No API key needed.
Try Chart Generator (Free) →Knowledge Base Builder (Free)
Glenn-hosted knowledge base. Upload text documents, build searchable KB, ask AI-powered questions grounded in your data. No API key needed.
Try Knowledge Base Builder (Free) →Audio Analyzer (Free)
Glenn-hosted audio analysis. Upload audio for BPM detection, key estimation, frequency spectrum, waveform visualization, and AI genre classification. No API key needed.
Try Audio Analyzer (Free) →Image Description Engine (Free)
Glenn-hosted image analysis. Get detailed descriptions, alt text for accessibility, SEO meta tags, and social media captions. No API key needed.
Try Image Description Engine (Free) →Business Plan Generator (Free)
Glenn-hosted business planning. Describe your idea and get executive summary, market analysis, financial projections, and SWOT. No API key needed.
Try Business Plan Generator (Free) →Code Playground (Free)
Glenn-hosted code sandbox. Write and run JavaScript in a sandboxed environment with AI-powered code explanations. No API key needed.
Try Code Playground (Free) →Video Script Generator (Free)
Glenn-hosted video script generator. Describe your topic and get full production-ready scripts with shots, timing, hooks, and CTAs. No API key needed.
Try Video Script Generator (Free) →Social Media Content Engine (Free)
Glenn-hosted social media content. Generate platform-optimized posts for Twitter/X, LinkedIn, Instagram, and TikTok from one topic. No API key needed.
Try Social Media Content Engine (Free) →SEO Optimizer (Free)
Glenn-hosted SEO analysis. Paste content and get keyword suggestions, meta tags, readability score, and optimization recommendations. No API key needed.
Try SEO Optimizer (Free) →Learning Path Generator (Free)
Glenn-hosted learning path generator. Describe your goal and get structured curricula with milestones, resources, projects, and timelines. No API key needed.
Try Learning Path Generator (Free) →A/B Test Generator (Free)
Glenn-hosted A/B test planner. Describe a feature and get complete test plans with hypothesis, variants, metrics, sample sizes, and statistical framework. No API key needed.
Try A/B Test Generator (Free) →API Gateway Dashboard (Free)
Test free AI APIs side-by-side. Compare responses, measure latency, and find the best provider. Glenn-hosted — no API key needed.
Try API Gateway Dashboard (Free) →Agent Builder (Free)
Design custom AI agents with tools, knowledge, and behavior. Test live and export configs. Glenn-hosted — no API key needed.
Try Agent Builder (Free) →Analytics Dashboard (Free)
Track and visualize tool usage patterns with interactive charts, trends, and insights. Glenn-hosted — no API key needed.
Try Analytics Dashboard (Free) →Design System Generator (Free)
Describe your brand and get a complete design system — colors, typography, spacing, components, and CSS. Glenn-hosted — no API key needed.
Try Design System Generator (Free) →API Key Manager (Free)
Securely store and manage API keys with AES-256 encryption. Master password protected, zero server storage. Glenn-hosted.
Try API Key Manager (Free) →Email Composer Pro (Free)
Glenn-hosted email writing. Describe the situation and get polished emails with tone variations. No API key needed.
Try Email Composer Pro (Free) →Recipe Generator (Free)
Glenn-hosted recipe creation. Enter ingredients and preferences, get complete recipes with nutrition info. No API key needed.
Try Recipe Generator (Free) →Meditation Guide (Free)
Glenn-hosted meditation generator. Select focus and duration, get guided scripts with breathing cues and TTS. No API key needed.
Try Meditation Guide (Free) →Brand Name Generator (Free)
Glenn-hosted brand naming. Describe your product and get 20+ name candidates with taglines and rationale. No API key needed.
Try Brand Name Generator (Free) →Music Prompt Composer (Free)
Glenn-hosted music prompt creation. Describe a mood and get detailed production prompts for Suno/Udio. No API key needed.
Try Music Prompt Composer (Free) →Resume Analyzer (Free)
Glenn-hosted resume analysis. Paste your resume and get ATS score, keyword gaps, and improvement suggestions. No API key needed.
Try Resume Analyzer (Free) →Cover Letter Writer (Free)
Glenn-hosted cover letter generation. Paste resume + job description, get tailored cover letters. No API key needed.
Try Cover Letter Writer (Free) →PDF Summarizer (Free)
Glenn-hosted PDF analysis. Upload PDF and get structured summaries, key points, and action items. No API key needed.
Try PDF Summarizer (Free) →Contract Analyzer (Free)
Glenn-hosted contract review. Paste a contract and get plain-English summary with flagged risky clauses. No API key needed.
Try Contract Analyzer (Free) →Document Comparison (Free)
Glenn-hosted document diff. Paste two versions and get semantic comparison with change summary. No API key needed.
Try Document Comparison (Free) →Fitness Plan Builder (Free)
Glenn-hosted fitness planning. Enter goals and get structured weekly workout plans with exercises and progression. No API key needed.
Try Fitness Plan Builder (Free) →Habit Tracker & Coach (Free)
Glenn-hosted habit coaching. Describe habits to build and get 30-day plans with micro-goals and streak tracking. No API key needed.
Try Habit Tracker & Coach (Free) →Flashcard & Quiz Maker (Free)
Glenn-hosted study tool. Paste notes and get flashcards and quizzes with answers and explanations. No API key needed.
Try Flashcard & Quiz Maker (Free) →Meeting Notes Summarizer (Free)
Glenn-hosted meeting summaries. Paste transcripts and get decisions, action items, and shareable summaries. No API key needed.
Try Meeting Notes Summarizer (Free) →PRD Writer (Free)
Glenn-hosted product docs. Describe a feature and get a complete PRD with user stories and acceptance criteria. No API key needed.
Try PRD Writer (Free) →Survey Builder (Free)
Glenn-hosted survey creation. Describe what to learn and get complete surveys with question types and skip logic. No API key needed.
Try Survey Builder (Free) →Data Cleaner (Free)
Glenn-hosted data cleaning. Paste CSV/JSON and get suggestions for fixing inconsistencies with cleaned output. No API key needed.
Try Data Cleaner (Free) →API Test Generator (Free)
Glenn-hosted test generation. Paste an endpoint and get complete test suites with runnable code. No API key needed.
Try API Test Generator (Free) →Logo Concept Generator (Free)
Glenn-hosted logo design. Describe your brand and get concepts with SVG code, palettes, and typography. No API key needed.
Try Logo Concept Generator (Free) →Meme Generator (Free)
Glenn-hosted meme creation. Describe a situation and get meme concepts with captions and image generation. No API key needed.
Try Meme Generator (Free) →Breathe Reset (Free)
Glenn-hosted guided breathing. Follow animated breathing exercises for stress relief and focus. No API key needed.
Try Breathe Reset (Free) →Mood Tracker (Free)
Glenn-hosted mood journaling. Log daily moods with notes and view trends on interactive charts. No API key needed.
Try Mood Tracker (Free) →Meal Idea Generator (Free)
Glenn-hosted meal planning. Enter ingredients and get random recipe ideas with cooking time and nutrition. No API key needed.
Try Meal Idea Generator (Free) →Desk Stretch (Free)
Glenn-hosted stretch guide. Follow timed desk exercises with animations for posture and stress relief. No API key needed.
Try Desk Stretch (Free) →Sleep Wind-Down (Free)
Glenn-hosted sleep prep. Get personalized wind-down routines with relaxation techniques and timers. No API key needed.
Try Sleep Wind-Down (Free) →Math Solver (Free)
Glenn-hosted math tutor. Paste math problems and get step-by-step solutions with explanations. No API key needed.
Try Math Solver (Free) →Vocabulary Builder (Free)
Glenn-hosted vocab learning. Generate flashcards from word lists with definitions, examples, and spaced repetition. No API key needed.
Try Vocabulary Builder (Free) →Essay Outline (Free)
Glenn-hosted essay planning. Describe your topic and get structured outlines with thesis, arguments, and citations. No API key needed.
Try Essay Outline (Free) →Subject Explorer (Free)
Glenn-hosted knowledge maps. Pick a topic and get interactive knowledge graphs with key concepts and connections. No API key needed.
Try Subject Explorer (Free) →Study Scheduler (Free)
Glenn-hosted study planner. Enter subjects and deadlines, get optimized schedules with spaced repetition. No API key needed.
Try Study Scheduler (Free) →