Best Free AI Tools: Honest Picks by Task
The best free AI tools organised by task: writing, research, images, transcription, coding and presentations, with what free plans include and privacy tips.
Practical AI, no hype
Make AI work like an expert.
Practical guides to prompting, running models locally and staying safe from synthetic media, tested methods rather than hype.
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Five guides, in order
How AI models work
How large language models work, in plain English: tokens, training, transformers and attention, fine-tuning, context windows and why they make mistakes.
Pick an assistant
ChatGPT, Claude and Gemini compared by task: writing, analysis, coding, research, images, integrations and privacy, plus a simple way to test which suits you.
Learn to prompt
Practical prompt engineering: the six elements of a strong prompt, techniques that reliably improve answers and ten copy-ready templates for everyday work.
Know the limits
Why AI chatbots hallucinate, making up facts, quotes and sources with confidence, which tasks are riskiest, and how to reduce errors and check answers.
Protect your data
How to protect your privacy with AI chatbots: turn off training on your chats, manage history and memory, use temporary chats and know what never to paste in.
Compare tools
All AI tools →
AI Coding Assistants: A Practical Guide
How AI coding assistants work, from autocomplete to coding agents, what they do well, the security and quality risks, and habits for reliable code.
AI Video Generators: What They Can Do and How to Use Them
How AI video generators work, what they can and can’t do, prompt tips for better clips, costs, and the rules on consent, copyright and labelling.
Best GPUs for Running AI Locally: What Really Matters
How to choose a GPU for local AI: why VRAM matters, how model size and quantization affect memory, consumer vs pro cards, Apple Silicon and budget tiers.
Prompt templates
The library
How to Spot AI-Generated Images, Video and Voice Clones
How to spot deepfakes and AI-generated media: visual tells in images and video, signs of voice clones, verification tools and how to protect yourself.
How to Run AI Models Locally: A Beginner’s Guide
How to run AI language models on your own computer: why you might, hardware needs, beginner-friendly tools, choosing and quantizing models, and limits.
RAG Explained: How AI Chats With Your Own Documents
Retrieval-augmented generation (RAG) explained: how AI answers from your documents, embeddings and vector search, chunking, and why RAG reduces errors.
AI Agents Explained Without the Hype
What AI agents are, how they plan and use tools, what they can reliably do today, where they fail, and how to use them safely with the right guardrails.
AI Voice Cloning: How It Works and How to Protect Yourself
How AI voice cloning works, how scammers use cloned voices in fake emergency calls, the warning signs, and steps like family safe words to protect yourself.
Why AI Text Detectors Fail (and What to Do Instead)
Why AI writing detectors are unreliable, how false positives harm students and writers, what the research says, and better ways to verify authorship.
Custom AI Assistants and Projects Explained
What custom AI assistants, custom GPTs and projects are, how to set one up with instructions and files, practical use cases, and the privacy settings to check.
AI for Students: How to Use It to Learn, Not to Cheat
How students can use AI to learn: explaining topics, quizzing, feedback on drafts and study plans, plus school rules, citing AI, privacy and mistakes to avoid.
AI Meeting Notes: How to Use AI Note-Takers Well
How AI meeting note-takers work, how accurate they are, the consent and privacy rules to follow, and a workflow for turning transcripts into useful notes.
AI for Small Business: Practical Uses That Save Time
Ways small businesses can use AI: customer emails, marketing, product listings, spreadsheets and admin, plus costs, privacy, accuracy and legal pitfalls.
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