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All articles — page 6

Business 2 min

What Is GST e-Invoicing, and Who Actually Needs It in India?

E-invoicing isn't the same as generating a GST invoice — it's a separate government-side validation step, and skipping it when you're required to isn't optional.

TechToolsCenter EditorialRead
Developer 2 min

Why Your SVG Files Are Bigger Than They Should Be

An SVG exported straight from your design tool is carrying editor metadata, unused definitions and absurd decimal precision — none of which affects how it looks.

TechToolsCenter TeamRead
Guides 2 min

How to Convert a Bank Statement PDF to Excel (Free, No Upload)

Bank statement PDFs are built for reading, not for spreadsheets — here's how to actually get the transaction table into Excel, including what to do if the PDF is password-protected.

TechToolsCenter TeamRead
Developer 2 min

MD5 vs SHA-256: What's the Difference and Which Should You Use?

Both turn data into a fixed-length fingerprint, but MD5 is broken for anything security-sensitive while SHA-256 isn't — here's what that actually means in practice.

TechToolsCenter EditorialRead
Guides 2 min

What Is TDS (Tax Deducted at Source) and How to Check Your Deductions

TDS shows up on every payslip and most bank interest, but few people check whether the right amount was actually deducted — here's what it is and where to verify it.

TechToolsCenter TeamRead
Design 2 min

WCAG Color Contrast Explained: How to Pass Accessibility Audits

A contrast ratio isn't a vibe check — it's a precise formula, and WCAG sets hard numeric thresholds your design either passes or fails.

TechToolsCenter EditorialRead
Guides 2 min

Barcode vs QR Code: What's the Difference and When to Use Which

Both get scanned, but a barcode and a QR code store completely different amounts of information — picking the wrong one is a common, avoidable mistake.

TechToolsCenter TeamRead
Developer 2 min

What Is a Unix Timestamp, and How Do You Convert It?

That 10-digit number in your API response or database log is counting seconds from a specific moment in 1970 — here's what it means and how to read it.

TechToolsCenter EditorialRead
Productivity 2 min

How to Compare Two Files or Blocks of Text Online (Diff Checker Explained)

Eyeballing two versions of a document to spot what changed is slow and unreliable — a diff checker highlights every addition, deletion and change instantly.

TechToolsCenter TeamRead
Developer 2 min

How Random Number Generators Actually Work (And Why It Matters for Passwords)

Not all "random" is equally random — Math.random() and crypto.getRandomValues() look similar but are built for completely different jobs.

TechToolsCenter EditorialRead
Business 2 min

What Is an E-Way Bill, and When Do You Actually Need One?

Moving goods worth over a certain amount in India without a valid e-way bill can get your shipment detained — here's what it is and when it applies.

TechToolsCenter TeamRead
Guides 2 min

How to Apply for Passport Renewal in India: Step-by-Step

Renewing an expiring or expired Indian passport is a different flow from a fresh application — here's exactly what changes and what to prepare.

TechToolsCenter EditorialRead
Guides 2 min

How to Draft a Rent Agreement in India: What to Include

A verbal understanding with your landlord or tenant isn't enforceable — here's what a proper rent agreement actually needs to cover.

TechToolsCenter TeamRead
Business 2 min

Proforma Invoice vs Invoice vs Quotation: What's the Difference

All three list prices and items, but only one of them is a legally binding demand for payment — mixing them up confuses clients and can cause real accounting problems.

TechToolsCenter EditorialRead
Developer 2 min

Box Shadow vs Drop Shadow in CSS: What Actually Differs

Both add a shadow, both accept nearly identical values, and yet they behave completely differently the moment your element isn't a plain rectangle.

TechToolsCenter TeamRead
Guides 3 min

How to File Your Income Tax Return (ITR) Online: Step-by-Step Guide

Filing your ITR yourself is straightforward once you know the order of steps — here's what to gather first, how the e-filing portal walks you through it, and how to avoid the mistakes that trigger a notice.

TechToolsCenter TeamRead
Business 2 min

HRA Exemption Explained: How Much of Your House Rent Allowance Is Tax-Free

HRA exemption isn't just "whatever your employer pays" — it's the smallest of three separate numbers, and getting the calculation wrong is the most common reason people under- or over-claim it.

TechToolsCenter EditorialRead
Business 2 min

Gratuity Calculation in India: Formula, Eligibility and How Much You'll Get

Gratuity isn't a bonus your employer decides on — it's a statutory formula based on your last drawn salary and years of service. Here's exactly how it's calculated.

TechToolsCenter TeamRead
Business 2 min

SIP Calculator Explained: How Compounding Builds Wealth

A ₹5,000 monthly SIP doesn't just add up to what you put in — compounding is what turns steady small investments into a genuinely large number over time.

TechToolsCenter TeamRead
Business 2 min

Simple Interest vs Compound Interest: What's the Difference

Same principal, same rate, same years — but compound interest can end up paying (or costing) meaningfully more than simple interest. Here's exactly why.

TechToolsCenter EditorialRead
Guides 2 min

How to Use DigiLocker to Store Your Documents Digitally

DigiLocker documents are legally valid at par with the originals — here's how to set up your account and start pulling in your official documents.

TechToolsCenter TeamRead
Guides 2 min

How to Create Your ABHA Health ID Card (Free, Online)

ABHA is a digital health ID that links your medical records across hospitals and clinics — here's how to create yours in a few minutes, free.

TechToolsCenter EditorialRead
Business 2 min

How to Register for Udyam (MSME) Certificate — Free, Online

Udyam Registration officially recognises your business as an MSME and unlocks real government benefits — here's the free, paperless process.

TechToolsCenter TeamRead
Business 2 min

Sukanya Samriddhi Yojana Explained: How to Open an Account

A government savings scheme for a girl child with a high fixed interest rate and full tax-free returns — here's how it works and how to open one.

TechToolsCenter EditorialRead
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