Base64 Encoder & Decoder
Encode text to Base64 or decode it back. It safely handles UTF-8 characters such as Korean and emoji, and all processing happens in your browser, so the values you enter are never sent out.
Input
Result
How to use
Encode converts the entered text into a Base64 string. Decode turns a Base64 string back into the original text.
Base64 is used to safely represent binary data as text in email attachments, data URIs, API tokens, and more.
Frequently asked questions
Are Korean characters and emoji converted too?
Yes. It encodes and decodes based on UTF-8, so characters such as Korean, Japanese, and emoji are handled without corruption.
Are the values I enter sent to a server?
No. All processing happens inside your browser, and the values you enter are not sent to any external server.