Number Base Converter
📦 Number Base Converter Source Code $3.99
Get the complete, ready‑to‑deploy HTML file with all styling and logic. This is the exact code powering the demo above — no dependencies, works offline, and 100% client‑side. Supports bases 2–36 and handles arbitrarily large integers using BigInt. Perfect for low‑level programming, network debugging, and educational tools. One‑time purchase, lifetime access.
What Is a Number Base Converter?
For developers working with embedded systems, network protocols, or memory addresses, switching between numeric bases is a daily necessity. Binary for bitmasks, octal for file permissions, hexadecimal for colors and memory dumps, and decimal for human-readable output — this tool eliminates manual calculation, reducing errors and saving precious time during debugging sessions. It handles bases from 2 to 36, making it versatile for any coding task.
How to Use
- Enter the number you want to convert in the input field.
- Select the current base of the entered number (e.g., Decimal).
- Choose the target base you want to convert to (e.g., Hexadecimal).
- Click "Convert" to see the result instantly. Use the Swap button to exchange the "From" and "To" bases.
Frequently Asked Questions
Is my data sent to a server?
No, all conversion logic runs locally in your browser using JavaScript's BigInt. Nothing is ever transmitted or stored.
Does it work with very large numbers?
Yes. The tool uses BigInt, which supports arbitrarily large integers. You can convert numbers with hundreds of digits without losing precision.
What bases are supported?
Bases from 2 to 36 are supported, using digits 0–9 and A–Z. This includes binary (2), octal (8), decimal (10), and hexadecimal (16).
Disclaimer: This tool performs all operations locally in your browser. No data is stored, transmitted, or logged. Results are provided for informational purposes only.