Guides

Practical, no-fluff tutorials for everyday digital tasks.

PDF5 min read

How to Reduce PDF Size for WhatsApp and Email

Why PDFs get large, which compression mode to choose, and how to hit a target size like 2 MB or 200 KB.

Image4 min read

Social Media Image Sizes Cheat Sheet (2026)

The exact pixel sizes for Instagram, WhatsApp, YouTube, LinkedIn, X, Facebook and Pinterest — with one-click workflows.

Finance6 min read

How Loan EMI Is Calculated (With Examples)

Understand the EMI formula, why early EMIs are mostly interest, and how tenure changes total cost.

Privacy4 min read

Remove Hidden Location Data from Photos Before Sharing

Phone photos can reveal exactly where you live. Here's what EXIF metadata is and how to strip it in seconds.

Business5 min read

GST Calculation in India: Inclusive vs Exclusive

How to add GST, remove GST from an inclusive price and split it into CGST, SGST or IGST.

Developer5 min read

JSON Basics: Formatting, Validation and Common Errors

The five JSON mistakes that break APIs, and a clean workflow to validate, clean and minify payloads.