Free Online Tools for Engineers, Developers & Everyone
Fast, accurate and privacy-friendly tools including calculators, converters, generators and productivity utilities.
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⚡ Electrical Tools
Calculators and utilities for electrical engineering, power systems and circuit analysis.
☀️ Solar PV Tools
Solar design calculators, energy estimation and renewable energy analysis tools.
💻 Developer Tools
JSON tools, encoding utilities, formatters and developer productivity tools.
🔄 Converters
Fast unit conversion and measurement conversion utilities.
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Word counters, text formatting and writing productivity tools.
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Generators, security tools and everyday online utilities.
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🔢 Calculator
Perform fast mathematical calculations online.
⚡ Ohm's Law Calculator
Calculate voltage, current and resistance easily.
☀️ Solar PV Calculator
Estimate solar panel capacity and energy output.
🔄 Unit Converter
Convert engineering and general measurement units.
🔐 Password Generator
Create strong and secure random passwords.
📄 JSON Formatter
Format and validate JSON data instantly.
About Tools.PrusunBarua
Tools.PrusunBarua provides free online utilities designed for engineers, students, developers and professionals. All tools are designed to be fast, simple and accessible directly from your browser.