गाइड्स
टूल्स के पीछे की प्रैक्टिकल जानकारी — फॉर्मूले, उदाहरण और आम गलतियां जो बचनी चाहिए।
💰 फाइनेंस कैलकुलेटर
How EMI Is Calculated: Formula, Example and Amortization Explained
Learn exactly how EMI is calculated using the standard formula, a step-by-step INR example, amortization table breakdown, and how tenure and prepayment affect your loan.
7 Proven Ways to Reduce Your Home Loan EMI
Cut your home loan EMI with balance transfers, prepayments, and rate negotiation. Practical strategies with worked examples for Indian borrowers.
SIP vs Lumpsum: Which Builds More Wealth?
SIP or lumpsum — which investment strategy builds more wealth? Real numbers, rupee cost averaging explained, and a clear comparison to help you decide.
GST Rates in India After GST 2.0: Slabs, CGST/SGST Split and Examples
India's GST slabs since 22 September 2025: 5%, 18% and 40%, with 12% and 28% removed. Item examples, the CGST/SGST/IGST split and inclusive vs exclusive GST math.
15-Year vs 30-Year Mortgage: Total Cost Compared
See exactly how much more a 30-year mortgage costs versus a 15-year on a $300k loan — monthly payments, total interest, and who should choose which.
The Power of Compound Interest: Formula, Rule of 72, and Examples
Master compound interest with the A=P(1+r/n)^nt formula, the Rule of 72, frequency comparisons, and start-early examples that show exactly how wealth grows.
FD vs RD vs SIP: Where Should Your Savings Go?
Compare Fixed Deposits, Recurring Deposits, and SIPs on returns, risk, liquidity, and tax. Real numbers, worked examples, and a clear decision framework for Indian savers.
PPF Account Guide: Interest, Rules, Withdrawals and Tax Benefits
Complete PPF guide covering EEE tax status, 15-year lock-in, partial withdrawal rules, loans, extension blocks, and worked interest examples. Plan smarter.
Gratuity Rules in India: Eligibility, Formula and Tax
Who qualifies for gratuity (5 years, or 1 year for fixed-term staff under the Labour Codes), how the 15/26 formula works with a real example, the ₹20 lakh tax exemption, and forfeiture.
How Inflation Eats Your Savings (and How to Beat It)
Learn how inflation silently halves your purchasing power, why nominal returns lie, and which asset classes consistently outpace rising prices over time.
CAGR vs Absolute Returns: How to Compare Investments Properly
Absolute returns lie about your real gains. Learn how CAGR exposes the truth, how to calculate it, its limits, and when to use XIRR instead.
How to Calculate ROI: Formula, Annualized ROI and Examples
Learn how to calculate ROI with the exact formula, annualized ROI, marketing ROI, real estate ROI, worked examples, and common mistakes to avoid.
How CD Interest Works: APY, Compounding and Early-Withdrawal Penalties
Understand how certificate of deposit interest is calculated, why APY beats the stated rate, how compounding frequency matters, and what early-withdrawal penalties cost.
Roth IRA Explained: Tax-Free Growth, Contribution Limits and Compounding
A plain-English guide to the Roth IRA: how tax-free growth works, 2026 contribution and income limits, the 5-year rule, and how decades of compounding build wealth.
🏃 हेल्थ और फिटनेस
BMI Explained: Categories, Limitations and What Yours Means
Understand BMI categories, the formula, why athletes skew results, Asian cutoffs, and what to actually do with your number. Clear, evidence-based guide.
How Many Calories Should You Eat? TDEE Explained
Learn how to calculate your TDEE, set the right calorie deficit or surplus, and adjust when progress stalls. Includes activity multipliers and worked examples.
BMR: What It Is and How to Use It to Set Calorie Targets
Learn what BMR is, how Mifflin-St Jeor and Harris-Benedict differ, what factors raise or lower it, and how to build a real calorie target from your number.
Macros 101: How to Split Protein, Carbs and Fat for Your Goal
Learn exactly how to split your macros for cutting, bulking, or keto. Real numbers, worked examples, and a comparison table to hit your nutrition goals faster.
How Your Due Date Is Calculated (and How Accurate It Is)
Learn how Naegele's rule, LMP, and ultrasound dating work together to set your due date — and why only about 5% of babies arrive on that exact day.
📚 General
📈 SEO टूल्स
Meta Tags That Matter in 2026: Title, Description and Beyond
Learn which meta tags still drive SEO in 2026 — title and description limits, OG tags, robots directives, and which tags to stop wasting time on.
Schema Markup for Beginners: Types That Win Rich Results
Learn how to add schema markup to your site with real JSON-LD examples for FAQ, Article, Product, and LocalBusiness — and avoid the errors that kill rich results.
robots.txt: What to Block, What Never to Block
Learn robots.txt syntax, the right patterns to block crawlers, what you must never disallow, and how to avoid the noindex vs robots.txt mistake.
UTM Parameters: Naming Conventions That Keep Analytics Clean
Stop fragmenting your campaign data. Learn the UTM naming conventions that keep Google Analytics consistent, reportable, and free of duplicate sources.
Why Google Rewrites Your Titles (and How to Stop It)
Google rewrites page titles up to 60% of the time. Learn the exact triggers, pixel limits, and title patterns that survive — with worked examples and a comparison table.
🔄 फाइल और डेटा कन्वर्टर
Common JSON Errors and How to Fix Them
Trailing commas, single quotes, unquoted keys, BOM, NaN — learn what breaks JSON and how to fix each error fast with a free online formatter.
Base64 Explained: What It Is and When to Use It
Learn what Base64 encoding is, why it adds 33% overhead, how data URIs work, the base64url variant, and exactly when to encode or decode — with worked examples.
CSV to JSON: Handling Headers, Quotes and Nested Data
Master CSV to JSON conversion: RFC 4180 quoting rules, delimiter problems, type inference, and flattening nested JSON back to CSV — with worked examples.
Markdown Cheat Sheet: Syntax Everyone Should Know
Master Markdown syntax fast: headings, lists, links, code blocks, tables, and GFM extras. Includes worked examples and a flavor comparison table.
⚙️ डेवलपर टूल्स
JWTs Explained: Header, Payload, Signature and Security Pitfalls
Learn how JSON Web Tokens work — the three parts, signing vs encryption, the alg=none attack, cookie vs localStorage, and expiry claims — with worked examples.
What Makes a Password Strong in 2026
Learn what actually makes a password uncrackable in 2026: entropy math, why length beats complexity, passphrases, and how modern crackers work.
UUIDs Explained: v4 vs v7 and When to Use Them
Learn the collision math behind UUIDs, when to pick v4 vs v7 for database keys, what GUID means, and when UUIDs are the wrong tool entirely.
MD5 vs SHA-256: Which Hash Should You Use?
MD5 is broken for security but fine for checksums. SHA-256 is the modern default. Learn the difference, when each applies, and how to hash passwords safely.
📐 यूनिट कन्वर्टर
CM to Inches: Formula, Chart and Common Conversions
Convert centimeters to inches instantly. Learn the exact formula, use our quick-reference chart for heights and sizes, and master the mental math trick.
KG to LBS: Quick Mental Math and Conversion Chart
Convert kilograms to pounds instantly. Learn the exact 2.2046 formula, the double-and-add-10% shortcut, plus a body weight chart and kitchen reference table.
Celsius to Fahrenheit: Formula and Quick Conversion Tricks
Learn the exact C-to-F formula, the double-plus-30 mental math shortcut, and a handy anchor-point table for cooking, body temperature, and everyday use.
KM to Miles: The 0.62 Rule and Conversion Chart
Convert kilometers to miles using the exact 0.621371 factor. Includes a quick 0.62 mental trick, running race table, speed limit guide, and Fibonacci shortcut.
📑 डॉक्युमेंट्स और लीगल
What Every Invoice Must Include (With Example)
A practical guide to every field a legally valid invoice needs — required elements, numbering schemes, payment terms, late fees, and digital vs. paper rules.
NDAs Explained: Mutual vs One-Way and Key Clauses
Learn when to use a mutual vs one-way NDA, what confidentiality terms are standard, which carve-outs matter, and the red flags that make agreements unenforceable.
Does Your Website Need a Privacy Policy? (GDPR, CCPA)
Find out if your website legally needs a privacy policy under GDPR, CCPA, and other laws — plus what to include, penalties for non-compliance, and how to get one fast.
🧑💼 HR और ऑफिस
How to Resign Professionally: Letter Template and Etiquette
Step-by-step guide to resigning professionally: notice period norms, what to include, how to handle counteroffers, and a ready-to-use resignation letter template.
Offer Letters: What to Check Before You Sign
Before signing an offer letter, check CTC vs in-hand pay, probation terms, variable pay traps, joining bonus clawbacks, and your negotiation window. A practical guide.