Blog

Guides, tutorials, tips, and useful information about online tools — image tools, PDF tools, calculators, and more.

We regularly publish practical guides to help you get the most out of free online tools. Whether you need help resizing a photo for a government exam portal, understanding how to calculate GST, or merging PDF documents — you will find step-by-step help here.

Image Tools

Image Guide

How to Resize Photo for SSC, UPSC & Bank Exams

Compress your passport photo to exactly 20KB or 50KB — step by step, free, no software needed.
Image Guide

How to Compress an Image Online to 20KB, 50KB or Any Size

Reduce JPG, PNG and WEBP image file sizes without losing quality — includes exam portal requirements table.
Image Guide

Convert Images to PDF Online Free

Combine multiple JPG, PNG photos into one PDF for document submission, college applications, and more.
Image Guide

Image to Text Converter — Free OCR Online

Extract editable text from photos, screenshots, textbook images, and scanned documents using browser-based OCR.

PDF Tools

PDF Guide

How to Merge PDF Files Online — Free & Without Software

Combine multiple PDFs into one file — useful for job applications, college admissions, and bank loan documents.
PDF Guide

Merging PDFs for Govt Job Applications — Size Limits & Errors

Advanced guide for SSC, UPSC, Railway portals — correct document order, size limits, and fixing upload errors.
PDF Guide

PDF to Image Converter — Convert PDF Pages to JPG

Extract each page of a PDF as a high-quality image — useful for WhatsApp sharing, presentations, and printing.
PDF Guide

Free PDF Tools Online — Merge, Split, Convert PDF

Overview of all browser-based PDF tools — when to use each tool for Indian document submission scenarios.

Finance & Calculators

Finance Guide

GST Calculator India — How to Calculate GST, CGST & SGST

Understand GST rates, formulas, and how to add or remove GST for Indian businesses and invoices.
Finance Guide

EMI Calculator India — Home Loan, Car Loan, Personal Loan

Calculate your exact monthly EMI and see a full amortization schedule before taking any loan in India.
Calculator Guide

Age Calculator — Exact Age for Govt Job Application Forms

Calculate exact age in years, months and days — essential for SSC, UPSC, Railway, and Bank job applications.
Calculator Guide

Percentage Calculator — Marks, Discount & More

Calculate marks percentage, salary hikes, shopping discounts, and GST percentages with examples.

Utility Tools

Utility Guide

How to Create a QR Code Online Free

Generate QR codes for URLs, UPI payments, WhatsApp, and business cards — with UPI format examples.
Security Guide

Strong Password Generator — Create Secure Passwords

Learn what makes a password strong and how to protect your UPI, banking, and social media accounts.
Utility Guide

Free Online Word Counter — Words, Characters & Reading Time

Count words for UPSC/SSC essays, articles, social media posts, and understand exam word limits.
Utility Guide

Video to MP3 Converter — Extract Audio from Video

Convert lecture recordings, song videos, and webinars to MP3 audio directly in your browser.