Age Calculator
Calculate exact age in years and months from date of birth.
How this helps: Free Age Calculator to find accurate age from date of birth in years and months instantly.
Tools Guide Blog
This guide explains every tool available on Genius Tools Hub so users can understand when to use each utility and what output to expect.
Calculators
Practical daily calculators for finance, health, and planning.
GST Calculator
Add GST to base amount and see tax and total payable value.
How this helps: Use GST Calculator to compute tax amount and final price quickly for invoices and billing.
EMI Calculator
Estimate monthly EMI, total payable amount, and repayment burden.
How this helps: EMI Calculator helps you estimate monthly loan installment and total repayment in seconds.
SIP Calculator
Estimate SIP maturity value, invested amount, and projected gains.
How this helps: Free SIP Calculator for India to estimate mutual fund SIP maturity value, total investment, and projected returns.
Salary CTC Calculator
Convert annual CTC into an indicative monthly salary breakdown using editable deductions.
How this helps: Salary CTC Calculator for India estimates monthly gross and indicative take-home from annual CTC and editable deductions.
Date Difference Calculator
Find the exact difference between two dates in years, months, days, and total days.
How this helps: Date Difference Calculator finds duration between two dates with total days and calendar difference.
CAGR Calculator
Calculate compound annual growth rate from starting value, ending value, and years.
How this helps: CAGR Calculator finds annualized growth rate for investments, business metrics, and portfolio analysis.
Converters
Quick unit and value converters for everyday needs.
Currency Converter
Convert between major currencies using live FX rates with fallback support.
How this helps: Real-time Currency Converter with live FX data to convert USD, INR, EUR, GBP and more.
Time Zone Converter
Convert date and time between major international time zones.
How this helps: Time Zone Converter transforms date-time across UTC, India, US, and UK zones instantly.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin.
How this helps: Temperature Converter for Celsius, Fahrenheit, and Kelvin with instant accurate conversion.
Text Tools
Writing and editing helpers for creators, students, and teams.
Word Counter
Live word and character counter with writing goals, reading time, speaking time, sentence stats, and keyword insights.
How this helps: Free online Word Counter with live words, characters, sentences, paragraphs, reading time, speaking time, goals and keyword insights.
Password Generator
Generate random secure passwords with configurable length.
How this helps: Password Generator creates strong random passwords for safer account protection.
Text Compare
Compare two text blocks line by line and highlight changed, added, or removed lines.
How this helps: Free Text Compare tool to find line-by-line differences between two text blocks directly in your browser.
Image Tools
Browser-based image utilities with fast client-side processing.
Image Resize
Resize image dimensions and download updated image output.
How this helps: Image Resize tool changes dimensions and downloads optimized resized image instantly.
Image Compress
Compress image quality and download lighter JPEG output.
How this helps: Image Compress reduces image size by quality settings and downloads compressed output.
JPG PNG WebP Converter
Convert common image formats to JPG, PNG, or WebP in your browser.
How this helps: Convert JPG, PNG and WebP images online in-browser and download the converted image instantly.
Image to PDF
Convert image into downloadable single-page PDF document.
How this helps: Image to PDF tool converts uploaded image into downloadable PDF directly in browser.
PDF Merge
Combine multiple PDF files into one PDF in the order you select them.
How this helps: Merge multiple PDF files into one document securely in your browser with no file upload.
PDF Split
Extract selected PDF pages into a new downloadable PDF.
How this helps: Split PDF online by page numbers and download selected pages as a new PDF directly in your browser.
PDF Rotate
Rotate all pages of a PDF by 90, 180, or 270 degrees.
How this helps: Rotate PDF pages online and download the updated PDF with browser-based processing.
PDF to Image
Extract embedded image content from supported PDF files.
How this helps: PDF to Image extracts embedded image data from PDF and downloads image output.
Developer Tools
Privacy-friendly coding utilities for JSON, JWT, Base64, and URL workflows.
JSON Formatter
Format, beautify, and minify JSON with indentation controls and parse guidance.
How this helps: Free JSON Formatter to prettify or minify JSON with validation, error hints, and copy-ready output.
JSON Validator
Validate JSON syntax instantly and pinpoint structural issues safely in-browser.
How this helps: JSON Validator checks syntax, flags invalid characters, and helps fix malformed JSON quickly.
JWT Decoder
Decode JWT header and payload securely in-browser without sending tokens to a server.
How this helps: JWT Decoder reads Bearer tokens, decodes header/payload JSON, and clearly marks decode-only behavior.
Base64 Encode Decode
Encode or decode Base64 text with reliable Unicode support and clipboard-ready output.
How this helps: Base64 Encode Decode tool converts Unicode text safely between plain text and Base64 format.
UUID Generator
Generate RFC 4122 version 4 UUID values in bulk with one click.
How this helps: UUID Generator creates secure v4 UUIDs, supports batch generation, and copy-friendly output.
QR Code Generator
Generate a downloadable QR code for text, URLs, contact details, or other short content.
How this helps: Free QR Code Generator for URLs and text with instant downloadable PNG output.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and convert date-time back to Unix.
How this helps: Unix Timestamp Converter supports seconds and milliseconds with auto-detection and current-time quick fill.
Regex Tester
Test regular expressions with flags, visual matches, and error feedback.
How this helps: Regex Tester validates patterns, highlights matches, and explains regex errors instantly in-browser.
Latest Articles
Best Free Online Calculators for Daily Use
Discover practical calculator workflows for EMI, GST, BMI, and percentage decisions with examples.
How to Use Image Tools Without Uploading to Cloud Services
Learn privacy-friendly image workflows for resize, compress, crop, watermark, and format conversion directly in browser.