ToolNex/Base64 Encoder / Decoder
Plain Text
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Base64 Result
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Online Base64 Encoder & Decoder (Two-Way UTF-8)

Two-way UTF-8 safe Base64 encoder and decoder with live bidirectional conversion.

How to use

  1. Type or paste text into the Plain Text box to instantly encode to Base64.
  2. Or paste a Base64 string into the Base64 box to decode it back to text.
  3. Use the directional arrows (⇄) to trigger conversion manually if preferred.

Frequently Asked Questions

Does this handle Vietnamese accents and emojis?

Yes, it uses complete UTF-8 byte encoding and decoding to preserve all Unicode characters.

Is my data secure?

Yes, 100% of encoding and decoding happens client-side in your browser.