Base64 Encoder / Decoder
Base64 编码
/ 解码工具
Encode text to Base64 or decode Base64 to text. 文本编码为 Base64，或将 Base64 解码为文本。
Input / 输入
Output / 输出
Result will appear here... / 结果将显示在此处...
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data as ASCII characters. It is commonly used in data URLs, email attachments and API payloads.
Important
Base64 is encoding, not encryption. Do not rely on Base64 to protect sensitive data.
Privacy
This tool runs locally in your browser. Your input is never uploaded.
FAQ
Is Base64 encryption?
No. Base64 is an encoding scheme, not encryption. Anyone can decode Base64 data without a key.
Is my data uploaded?
No. Encoding and decoding happen entirely in your browser.
Can I encode binary files?
This tool is designed for text. For binary file encoding, use a dedicated file-to-Base64 converter.