Base64 Encoder / Decoder
Switch between Encode and Decode, paste your text or Base64 string, and get an instant, correct result — including proper handling of Cyrillic and other Unicode text.
Input
Output
Correct Unicode handling, not just ASCII
Many simple Base64 tools break on non-English text because they assume single-byte characters. This tool correctly encodes and decodes full UTF-8 text — including Uzbek and Russian Cyrillic — so a name or sentence in Cyrillic round-trips perfectly through Base64 and back.
Frequently asked questions
What is Base64 used for?+
Base64 is a way of representing binary or text data using only 64 printable characters, commonly used to embed data in JSON, URLs, emails, or configuration files where raw binary or special characters aren't allowed.