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开发者工具

即时进行 Base64 编码与解码

This tool is useful when you need to convert text for APIs, quick checks, or debugging. Keep the workflow simple and it will fit naturally into the developer tools section.

Useful for developers, debugging, and quick string handling

Works fully in the browser without server uploads

Good for repeat use and search traffic

Pairs naturally with JSON and URL utilities

结果会显示在这里。
将文本编码为 Base64,或把 Base64 解码为文本。

使用步骤

Encode or decode Base64 in three steps.

步骤 1

Paste text or Base64 content into the input area.

步骤 2

Choose Encode or Decode mode.

步骤 3

Click Run and copy the result.

FAQ

Does this upload text to a server?

No. Encoding and decoding happen inside the browser, so your text stays on your device.

Can this handle Unicode text?

Yes. This tool supports common Unicode text input and output for browser workflows.

Why does decoding fail sometimes?

The input may not be valid Base64 or might include unexpected characters and line breaks.

Base64 编码解码工具 | SimpleTools Online