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Base64 Encode & Decode

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Encode text to Base64 and decode Base64 back to text, with full UTF-8 support and optional URL-safe output. Runs entirely in your browser.

Input

Encode Decode URL-safe

Output

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All processing happens locally in your browser — nothing is uploaded.

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update v1.0

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Type text or Base64 and choose Encode or Decode. Toggle URL-safe Base64 if needed.

Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.