Base64 Encoder/Decoder
Encode text to Base64, or decode it back — Unicode-safe.
Encode text to Base64 or decode Base64 back to text, with full Unicode/UTF-8 support for accented characters and emoji.
Frequently asked questions
What is Base64 used for?
Encoding binary or text data as plain ASCII characters — commonly used for embedding images in CSS/HTML, encoding data in URLs, and email attachments.
Does this support Unicode text?
Yes — text with accents, emoji, or non-Latin scripts is encoded correctly using UTF-8 before Base64 conversion.