Toolbox One

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Toolbox One: Smart Utilities

Your everyday collection of powerful offline tools in one lightweight app.

Whether you're a student, professional, developer, or business owner, Toolbox One provides essential utilities designed to save time and improve productivity—all without requiring an internet connection.

Business & Finance

• EMI Calculator

• GST Calculator

• Loan Calculator

• SIP Calculator

• Compound Interest Calculator

• Percentage Calculator

• Discount Calculator

• Profit Margin Calculator

Developer Tools

• JSON Formatter & Validator

• Base64 Encoder & Decoder

• URL Encoder & Decoder

• UUID Generator

• Password Generator

• JWT Decoder

• Hash Generator

• Unix Timestamp Converter

Text Utilities

• Word Counter

• Character Counter

• Case Converter

• Remove Duplicate Lines

• Remove Extra Spaces

Everyday Utilities

• Age Calculator

• BMI Calculator

• Unit Converter

• Number to Words

• Random Generator

Why Choose Toolbox One?

✅ Works completely offline

✅ No account required

✅ No cloud storage

✅ Fast and lightweight

✅ Material 3 design

✅ Privacy friendly

✅ Regular updates

Privacy First

Toolbox One processes everything on your device. Your data is never uploaded to a server.

নতুন কি আছে

What's new
• More consistent page headers across Search, Favorites, Settings, and QR tools
Fixes
• Tool titles (including Business calculators) now show correctly in the top app bar