Does it support UTF-8?

Yes. The tool handles full UTF-8 encoding including multi-byte characters like emoji, Chinese, Japanese, and Korean text.

Why is Base64 output larger?

Base64 encoding increases size by ~33% because it represents binary data using only 64 ASCII characters.

Does it support UTF-8?

Yes. The tool handles full UTF-8 encoding including multi-byte characters like emoji, Chinese, Japanese, and Korean text.

Why is Base64 output larger?

Base64 encoding increases size by ~33% because it represents binary data using only 64 ASCII characters.

免费

Base64编码器/解码器

将文本编码为Base64或将Base64解码为文本。支持UTF-8。

100%免费无需注册在浏览器中运行

模式：文本 → Base64

文本输入

Base64输出

输出将显示在这里...

关于Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to readable text. Supports full UTF-8 including emoji and CJK characters. Shows byte size comparison between input and output.

Base64编码器/解码器

文本输入

Base64输出

关于Base64 Encoder / Decoder

常见问题

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