Run It Free Blog - Articles & Guides

Comprehensive guides on personal finance, loan EMI calculations, image compression, developer utilities, and web performance optimization.

Finance

How to Calculate Home Loan EMI: Formula, Examples & Tips

Complete guide to home loan EMI calculation — formula, worked examples for ₹30L–₹1Cr, tenure vs. rate tables, tax benefits under Section 24(b) & 80C, and expert tips.

Published June 4, 2026 · 6 min read read

Finance

Car Loan EMI Guide: Calculate, Compare & Save

Complete guide to car loan EMI — new vs used car rates, worked examples, down payment impact, lender comparison, common mistakes, and expert tips to get the best deal.

Published June 4, 2026 · 7 min read read

Finance

7 Smart Ways to Reduce Your EMI Burden

Practical, data-backed strategies to lower your monthly EMI — from higher down payments and balance transfers to part-prepayments and step-up EMI, with worked examples.

Published June 4, 2026 · 6 min read read

Finance

EMI vs Prepayment: Which Option Saves You More Money?

Data-driven guide to the EMI vs prepayment decision — with worked examples, timing analysis, tax implications, a decision framework, and expert tips for Indian borrowers.

Published June 4, 2026 · 8 min read read

Finance

What is SIP? How Systematic Investment Plans Work

A complete beginner's guide to SIP — what it is, how rupee cost averaging works, the power of compounding, types of SIP, step-by-step worked examples, common mistakes, and expert tips for Indian investors.

Published June 4, 2026 · 5 min read read

Finance

SIP Returns Calculator: How to Calculate Your SIP Returns

Learn how SIP returns are calculated using the future value formula, understand CAGR vs XIRR, see worked examples for different scenarios, and use our free SIP calculator to project your corpus.

Published June 4, 2026 · 6 min read read

Finance

SIP vs Lump Sum Investment: Which Gives Better Returns?

A data-driven comparison of SIP and lump sum investing — when each strategy wins, how market conditions affect outcomes, historical scenarios, common mistakes, and which approach suits different investor profiles.

Published June 4, 2026 · 7 min read read

Finance

How Much Should You Invest in SIP Monthly?

Find the right SIP amount for your financial goals — using the 50-30-20 rule, goal-based reverse calculation, the 15-15-15 rule, and step-up SIP strategies. With worked examples for common goals.

Published June 4, 2026 · 6 min read read

Finance

SIP to ₹1 Crore: How Long Will It Take?

Discover exactly how long different monthly SIP amounts take to grow to Rs 1 crore at various return rates — and how step-up SIP can dramatically shorten your timeline.

Published June 4, 2026 · 8 min read read

Finance

What is GST? A Complete Guide to Goods and Services Tax

A comprehensive guide to GST in India — what it is, how it replaced the old tax system, CGST vs SGST vs IGST, registration thresholds, slab rates, and common mistakes businesses make with GST compliance.

Published June 4, 2026 · 5 min read read

Finance

How to Calculate GST: Formulas, Examples & Tips

Complete guide to calculating GST — formulas for exclusive and inclusive pricing, step-by-step worked examples for every slab, reverse calculation, CGST/SGST split, and a free GST calculator.

Published June 4, 2026 · 6 min read read

Finance

GST Slabs Explained: 0%, 5%, 12%, 18%, and 28%

A detailed breakdown of India's multi-tiered GST structure — what falls in 0%, 5%, 12%, 18%, and 28% slabs, recent GST Council changes, common slab disputes, and how to verify the correct rate for any product or service.

Published June 4, 2026 · 7 min read read

Finance

GST Inclusive vs Exclusive: What's the Difference?

Understand the difference between GST-inclusive and GST-exclusive pricing — when each is used, how to calculate both, the correct reverse formula, B2B vs B2C context, and how it affects your invoices.

Published June 4, 2026 · 6 min read read

Finance

Input Tax Credit (ITC) in GST: Complete Guide

Everything about Input Tax Credit in GST — how ITC eliminates cascading tax, who can claim it, eligibility conditions, blocked credits, ITC reversal rules, reconciliation with GSTR-2B, and worked examples showing ITC savings.

Published June 4, 2026 · 8 min read read

Health

How to Calculate Your Menstrual Cycle Length

Learn the correct way to calculate your menstrual cycle length, what is considered normal, common mistakes to avoid, and why tracking matters for your health.

Published May 30, 2026 · 6 min read read

Health

Understanding the 4 Phases of the Menstrual Cycle

A complete guide to the four phases of the menstrual cycle — Menstruation, Follicular, Ovulation, and Luteal — including hormones, symptoms, and what to expect each week.

Published May 31, 2026 · 7 min read read

Image Tools

How to Compress Images for Faster Websites and Better SEO

Slow images hurt your Google ranking. Learn exactly how to compress images for the web, what file size targets to hit, and how to pass Core Web Vitals with before/after load-time examples.

Published June 4, 2026 · 7 min read read