Base64 Encoder / Decoder
Encode text or decode Base64 strings online.
Encode plain text to Base64 or decode Base64 strings back to text. UTF-8 safe — handles emojis and non-ASCII characters correctly.
- ✅ Bidirectional (encode / decode)
- ✅ UTF-8 aware — works with Chinese, emojis, accented characters
- ✅ Auto-detects invalid Base64 input
- ✅ 100% in browser
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