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🎓 Student

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👨‍💻 JJ.28

Meet the founder and creator

🏢 J-Company

Official company website

🤖 J-AI Tools Hub

Complete AI tools collection

📏 J-Unit Converter

Advanced unit conversion tool

⚙️

Engineering Tools

Number systems, matrices, boolean logic, scientific calculator

📱

Daily Tools

QR codes, password generator, color picker, text tools

🎓

Student Tools

CGPA calculator, attendance tracker, Pomodoro timer

🔧

Utilities

Unit converter, notes, todo list, photo tools

📱 Install EngiTools

Add to your home screen for the best experience

🔢 Number System Converter

Input Number:

Input Base:

🧮 Scientific Calculator

History:

📊 Matrix Operations

Matrix Size:

Matrix A:

Matrix B (for operations):

⚡ Boolean Expression Simplifier

Boolean Expression: Use: AND, OR, NOT, (, )

📱 QR Code Generator

Text to encode:

🔐 Password Generator

Password Length: 12

Uppercase Letters
Lowercase Letters
Numbers
Symbols

🎨 Color Picker

Pick Color:

HEX:

RGB:

HSL:

📝 Text Tools

Input Text:

Characters: 0 | Words: 0 | Lines: 0

📊 CGPA Calculator

Saved Results:

📅 Attendance Tracker

Subject Name:

⏰ Pomodoro Timer

25:00

Work Duration (minutes):

Break Duration (minutes):

Sessions completed: 0

📔 Notes

Note Title:

Note Content:

Saved Notes:

📏 Unit Converter

Category:

From:

To:

Value:

✅ Todo List

📸 Passport Photo Maker

📷 Click to upload photo

💾 Data Manager

Export Data

Download all your app data as JSON backup

Import Data

Restore data from JSON backup file

Clear All Data

⚠️ This will delete all saved data permanently