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How to encode text or files to Base64

Base64 turns binary data into text for data URLs, APIs and config files. Encode and decode locally.

Open the tool: Codificar / decodificar Base64

Steps

  1. Open the Base64 tool.
  2. Paste text or drop a small file to encode.
  3. Copy the Base64 output or paste Base64 to decode.
  4. Use the result in your code or API payload.

Tips

  • Base64 is encoding, not encryption — do not use it for secrets.
  • Data URLs grow ~33% larger than the original binary.