Base64 Codec
Base64 encode and decode
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About Base64 Encoder/Decoder
Encode and decode Base64 strings instantly in your browser. Base64 is commonly used for encoding binary data in text-based formats like JSON, XML, HTML, and email. This tool supports standard Base64 encoding and decoding with full Unicode support.
Frequently Asked Questions
What is Base64 encoding?▼
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to embed images in HTML, encode email attachments, and transmit binary data over text-based protocols.
Does it support Unicode text?▼
Yes, the tool properly handles Unicode characters including Chinese, Japanese, Korean, and emoji. It uses UTF-8 encoding internally.
Is Base64 encryption?▼
No, Base64 is encoding, not encryption. Anyone can decode a Base64 string. It should not be used for security purposes.