Number base converter

Convert integers between bases 2, 8, 10, and 16 within JS safe integer range.

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Overview

Converts integers between bases 2, 8, 10, and 16 within JavaScript safe range. No floating point.

Tool guide

  • O que é base numérica Forma de escrever inteiros: decimal (0–9), binário (0–1), octal (0–7), hexadecimal (0–9 e A–F). O valor matemático é o mesmo; muda só a representação.
  • O que a ferramenta faz Converte inteiros entre essas bases dentro do intervalo seguro do JavaScript.
  • Por que usar Programação de baixo nível, cores (#RRGGBB), máscaras de bits, estudo e verificação rápida sem calculadora.

Sample

255 (decimal) = 11111111 (bin) = FF (hex)

FAQ

What is this tool for?

It runs fully in your browser: useful to validate, format, or convert data in everyday development.

Are my inputs sent to a server?

Processing happens locally with JavaScript. We do not store what you paste into the text areas.

Can I use this for real production data?

Use at your own risk. For secrets (passwords, tokens), prefer controlled environments and your company policies. And always review the generated contents. Never trust blindly things you see on the internet.