The useToolify Blog
Tutorials, tips, and deep-dives into free browser-based tools.

What Are AI Tokens and Context Windows? A Plain-English Explanation
Every AI model reads and bills in tokens and forgets anything outside its context window. Learn what tokens are, how to count them, and why long chats get expensive and forgetful.

How to Estimate LLM API Costs Before You Build an AI Feature
AI features can be cheap or ruinous depending on tokens per request. Learn the cost formula, a worked monthly example, and the levers that cut the bill without hurting quality.

Prompt Injection Explained: How Attackers Trick AI and How to Defend Your App
Prompt injection is ranked the number one risk for AI applications by OWASP. Learn how direct and indirect attacks work, real examples, and practical defences for builders and everyday users.

How to Write Better AI Prompts: 8 Techniques That Still Work in 2026
Better prompts get better answers. Learn eight reliable techniques, including role, context, output format, examples and step-by-step reasoning, with before and after examples.

Few-Shot vs Chain-of-Thought Prompting: When to Use Each
Few-shot prompting teaches by example, chain-of-thought teaches by reasoning. Learn the difference, when each helps, how to combine them, and what they cost in tokens.

How to Write a System Prompt (and Choose the Right Temperature)
A system prompt sets the rules, role and tone for an AI assistant. Learn a simple template, what to include, and how temperature changes creativity and consistency.

AI Agents Explained for Beginners: What They Are and How to Use Them Safely
AI agents don't just chat; they plan and take actions with tools. Learn how they work, where they help, what can go wrong, and simple rules for using them safely.

Generative Engine Optimization (GEO) vs SEO: How to Get Cited by AI Search
AI Overviews and chat search are changing how people find websites. Learn what GEO is, how it differs from SEO, and practical steps to make your pages easier for AI to cite.

How to Use AI Summaries Without Getting Fooled by Hallucinations
AI summaries save time but can invent details or distort the source. Learn why it happens, a simple verification routine, and prompts that keep summaries faithful.

AIDA vs PAS: Two Copywriting Formulas You Can Use With AI (With Examples)
AIDA and PAS are classic copywriting frameworks that work for ads, landing pages and emails. Learn how each works, when to use which, and how to prompt AI to draft them well.
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