Encode or decode Base64 instantly, free and no signup.
Encode text to Base64 or decode a Base64 string back to plain text, instantly.
It's commonly used to embed binary data (like small images) inside text formats such as JSON, HTML, CSS, or email, and for encoding data in URLs and API tokens.
No. Base64 is a reversible encoding scheme, not encryption — anyone can decode it instantly. Don't use it to protect sensitive data.
Yes, the tool handles UTF-8 text including special characters and emoji correctly during encode/decode.
No, all encoding/decoding happens locally in your browser.