Base64 Encoder/Decoder

Encode text to Base64 or decode back. Remember: Base64 is not encryption.

{{ base64.message }}

Overview

Base64 represents bytes as ASCII-safe text for transport (tokens, payloads, attachments). Use this tool to inspect content quickly.

Tool guide

  • O que é Base64 Codificação que representa bytes arbitrários usando um alfabeto de 64 caracteres ASCII imprimíveis. Aumenta o tamanho (~33%), mas permite transportar binário em JSON, XML, e-mail e URLs.
  • O que a ferramenta faz Codifica texto (como UTF-8) em Base64 ou decodifica Base64 para texto.
  • Por que usar Inspecionar tokens, anexos pequenos em data URLs, depurar payloads. Não é criptografia: qualquer um decodifica.

Text and Base64

Texto: olá
Base64: b2zDoQ==

FAQ

Does Base64 protect sensitive data?

No. Anyone can decode Base64. Use proper encryption for secrets.

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.