Base64 Encode/Decode
Encode text to Base64 or decode Base64 back to text. Supports UTF-8 and binary data.
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Frequently Asked Questions
What is Base64?▾
Base64 is an encoding scheme that converts binary data to ASCII text. It is commonly used to embed images in HTML/CSS, encode email attachments, and transmit binary data over text-based protocols.
Is my data secure?▾
Yes, all encoding and decoding happens in your browser. No data is sent to any server.
Does Base64 support Unicode/UTF-8?▾
Yes, this tool properly handles UTF-8 text including accented characters, emojis, and CJK characters.