Menu
Home Calculator All Calculators Calendar Thirukural Health Recipes Weather Finance QR Generator Password Unit Converter Notes Tamil Tools AI Tools Guides & Articles
Browse by Category
All Tools Calculators Finance Health Text Developer AI Weather World Tamil Entertainment SEO Security Utility Spirituality Image PDF Date & Time Lifestyle
Currency: USD EUR GBP INR JPY AUD CAD SGD MYR

Guides & Articles

Practical, easy-to-read guides that explain the how and why behind our most popular tools - from calculating your loan EMI to compressing images and creating strong passwords.

Finance 3 min read

How to Calculate Your Loan EMI (With a Simple Example)

Learn how EMI is calculated, what the formula means, and how loan amount, interest rate, and tenure affect your monthly payment - with a worked example.
Health 2 min read

Understanding Your BMI: What the Number Really Means

What BMI is, how it is calculated, the WHO weight categories, and the important limitations to keep in mind when reading your result.
Finance 3 min read

SIP vs Lumpsum: Which Way to Invest Is Better?

A clear comparison of SIP and lumpsum investing - how each works, the pros and cons, and how to decide which suits your money and goals.
Security 3 min read

How to Create a Strong Password (and Actually Remember It)

Practical, up-to-date advice on building strong passwords, why length beats complexity, and the habits that keep your accounts safe.
Image 2 min read

How to Compress Images Without Losing Quality

Why image compression matters for fast websites, the difference between lossy and lossless, and how to shrink files while keeping them sharp.
Image 2 min read

JPG vs PNG vs WebP: Which Image Format Should You Use?

A plain-English guide to the three most common image formats - their strengths, weaknesses, and exactly when to use each.
Finance 2 min read

How to Add and Remove GST (With Simple Examples)

Learn how to add GST to a price and how to work backwards to remove GST from a tax-inclusive amount, with clear worked examples and the formulas.
Weather 2 min read

What Your Air Quality Index (AQI) Really Means

A plain guide to the Air Quality Index - what the numbers and colours mean, which pollutants it tracks, and what to do on high-pollution days.
SEO 2 min read

How to Write Meta Tags That Improve Your SEO

A practical guide to title tags, meta descriptions, and Open Graph tags - what they do, ideal lengths, and how to write ones that earn clicks.
Security 2 min read

How to Tell If Your VPN Is Actually Protecting You

A VPN can still leak your real IP address through WebRTC and DNS. Learn how to test for leaks and fix them so your VPN really keeps you private.
Tamil 2 min read

How to Type in Tamil Without a Tamil Keyboard

You do not need a special Tamil keyboard to write Tamil. Learn how phonetic transliteration lets you type Tamil using ordinary English letters.
Utility 2 min read

QR Codes Explained: What They Are and How to Use Them

What a QR code is, how it works, common uses for business and personal life, and how to create a scannable QR code for free in seconds.
PDF 2 min read

How to Compress a PDF to Reduce Its File Size

Learn why PDFs get so large and how to compress them - shrinking the file to fit email limits and upload caps while keeping the document readable.
Developer 3 min read

What Is a JWT? How to Decode and Read a JSON Web Token

JSON Web Tokens power modern login systems. Learn what a JWT is, how its three parts work, how to decode one, and the security points to remember.
Image 2 min read

How to Resize an Image the Right Way (Without Losing Quality)

Resizing sounds simple, but doing it wrong causes blur or huge files. Learn how to resize images correctly, keep the aspect ratio, and choose dimensions.