Base64 Text Encoder / Decoder — Free
Encode any text to Base64 or decode Base64 back to readable text. Supports full UTF-8 including emojis and accented characters. Updates in real time.
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Full UTF-8 support
Handles emojis, accented characters, CJK, and all Unicode — not just ASCII.
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Real-time
Output updates as you type. Click Swap to reverse the operation instantly.
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Fully private
Uses the browser's built-in TextEncoder and btoa/atob APIs. No server involved.