Base64 字符串转换器
将文本编码/解码为 Base64 格式，支持 URL 安全模式。
Encode
Text → Base64
0 characters0 Base64 chars
0 characters
Decode
Base64 → Text
0 characters
0 characters
About Base64 Encoding
What is Base64?
A binary-to-text encoding scheme that represents binary data in ASCII string format, commonly used for encoding data in email, URLs, or HTTP headers.
URL Safe Mode
When enabled, uses - and _ instead of + and / to make the output safe for URLs and filenames.