Practical AI for Everyone
Free AI tools, calculators & practical guides
In-depth guides, honest tool reviews, and 107 free tools, calculators, converters, and AI writing tools, for students, professionals, and business owners. No hype.
Popular tools
Income Tax Calculator (Old vs New)
PrivateCompare your income tax under the Old and New regimes for FY 2025-26 and see which one saves you more. Runs in your browser.
EMI Calculator
PrivateCalculate the monthly EMI for a home, car, or personal loan, plus total interest. Runs in your browser.
SIP Calculator
PrivateSee what your monthly mutual-fund SIP could grow to, and how much of that is your gains. Runs in your browser.
Currency Converter
Convert between major currencies (USD, INR, EUR, GBP and more) using daily exchange rates.
Age Calculator
PrivateFind your exact age in years, months, and days, for forms, exams, and eligibility. Runs in your browser.
Percentage Calculator
PrivateWork out percentages: X% of Y, X is what % of Y, and percentage change. Runs in your browser.
Latest guides
Will AI Take Your Job? Here Is the Honest Answer
AI isn't going to erase most jobs. It automates specific tasks inside jobs, which changes what the job looks like. The people most exposed do highly repetitive, rule-based work with no physical or human element. The people best positioned spot which of their tasks AI is changing and adapt.
How to Run AI Locally on Your Laptop: No API Costs, No Data Leaving Your Device (Ollama Guide)
Ollama runs AI models directly on your laptop, with no internet needed and nothing leaving your device. It's free, takes about 20 minutes to set up, and works on most Windows and Mac laptops from the last five years. If you handle confidential data, it's the AI tool to use for that work.
Is ChatGPT Safe to Use? 7 Things You Should Never Share with AI
ChatGPT is safe for most everyday tasks, but it is not a private tool. What you type can be used to train future models, read by staff, or kept in logs. Seven things should never go into any public AI: passwords, ID numbers, confidential work documents, medical details, financial data, children's information, and other people's private data. For anything sensitive, use a local AI like Ollama.
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