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Guides
Plain-language explanations of everyday problems, from writing and online safety to percentages, interest and dates. Each guide links to a free tool you can use straight away.
Writing and text
- How many words should your essay, blog post or caption be?
Practical word-count ranges for school assignments, blog posts, product descriptions and social media.
- How to write a meta description that gets clicks
What a meta description is, how long it should be, and a simple formula for writing one that makes people want to click.
- Title case vs sentence case: when to use each
The difference between title case and sentence case, where each style is normally used, and how to stay consistent.
- How to write SEO-friendly URL slugs
What a URL slug is and simple rules for creating short, readable web addresses that help readers and search engines.
- How reading time is calculated (and why it is only an estimate)
The simple formula behind “5 min read” labels, the reading speeds it assumes and what can make real reading time different.
- How to cut your word count without losing meaning
Practical editing techniques to bring an essay, email or article under a word limit while keeping it clear.
- How to write a clear professional email
A simple structure for work and college emails, with tips on subject lines, tone and length.
Passwords and online safety
- How to create a strong password you can actually remember
What makes a password hard to crack, why length beats complexity, and a simple habit for managing dozens of logins.
- Two-step verification explained: the easiest way to protect your accounts
What two-step verification is, the different types, and which one to choose for your email, bank and social media accounts.
- Password managers: how they work and why they are safe
A plain-language explanation of password managers, how they protect your logins and how to start using one.
- How to spot phishing emails, SMS and WhatsApp messages
Warning signs of fake messages that try to steal passwords, OTPs or money, and what to do if you receive one.
- Your password was leaked: what to do next
A step-by-step checklist for securing your accounts after a data breach or a suspected password leak.
- UPI and online payment safety tips
Simple rules to protect your money when using UPI, cards and payment apps, including the most common scams to avoid.
Dates and age
- How to calculate your age “as on” a date for exam and job forms
What “age as on” means in government job and exam notifications, how to calculate it correctly and common mistakes to avoid.
- Leap years explained: why February sometimes has 29 days
Why leap years exist, the full rule for working them out, and what happens to people born on 29 February.
- How to count the days between two dates
Methods for counting days between dates, the difference between inclusive and exclusive counting, and everyday examples.
Health
- Waist-to-height ratio: a simple check to use alongside BMI
What waist-to-height ratio is, how to measure it at home, and why it adds useful information that BMI misses.
- Simple ways to move more if you sit at a desk all day
Easy, realistic habits for office workers and students to reduce long periods of sitting and add activity to the day.
- How to read a food nutrition label
A step-by-step guide to the nutrition information on packaged food, including serving size, per 100 g values and what to look for.
Money and maths
- Percentages in daily life: discounts, marks, GST and salary hikes
Worked examples for the percentage problems people meet most often, with the formula behind each one.
- Simple interest vs compound interest, with examples
How simple and compound interest are calculated, why compounding grows money faster, and where you meet each one.
- How loan EMI is calculated
The formula behind monthly loan instalments, a worked example, and how tenure and interest rate change what you pay in total.
- How GST works on a bill: CGST, SGST and IGST explained
How GST appears on invoices in India, when it is split into CGST and SGST, when IGST applies and how to calculate it.
- How to convert CGPA to percentage
Common ways to convert CGPA or SGPA into a percentage, why formulas differ between boards and universities, and how to find the right one.
- Percentile vs percentage: what is the difference?
Why a 90 percentile is not the same as 90% marks, how percentile is calculated in competitive exams and how to read your score.
- How to calculate profit and loss percentage
Formulas for profit, loss, markup and margin, with worked examples for shopkeepers, resellers and students.
- Inflation explained: why prices keep rising
What inflation is, how it is measured in India, how it affects savings and how to estimate its impact over time.