Categories

The full index

All 93 free tools

Every instrument, grouped by category. Pick one — it runs instantly, right in your browser.

Student Tools

10

CGPA Calculator

Percentage Calculator

Grade Calculator

Attendance Calculator

Study Hours Calculator

Final Grade Calculator

Semester GPA Planner

Calculator Tools

12

Discount Calculator

Loan Calculator

Mortgage Calculator

Compound Interest Calculator

Profit Margin Calculator

Sales Tax Calculator

Date Difference Calculator

Percentage Change Calculator

Converter Tools

10

Currency Converter

Length Converter

Weight Converter

Temperature Converter

Speed Converter

Data Storage Converter

Volume Converter

Number Base Converter

Image Tools

9

Image to Base64

Image Compressor

JPG to PNG Converter

PNG to JPG Converter

JPG to WEBP Converter

WEBP to PNG Converter

PDF Tools

5

Text Tools

10

Character Counter

Remove Duplicate Lines

Reading Time Calculator

Lorem Ipsum Generator

Find and Replace

Developer Tools

13

Base64 Encoder / Decoder

URL Encoder / Decoder

Color Converter

Unix Timestamp Converter

HTML Entity Encoder

SEO Tools

7

Meta Tag Generator

Open Graph Generator

Robots.txt Generator

Sitemap Generator

Keyword Density Checker

Schema Markup Generator

Utility Tools

11

ATS Resume Checker

QR Code Generator

QR Code Scanner

Barcode Generator

Password Generator

Password Strength Checker

Random Number Generator