Base64 Encoder & Decoder
Convert UTF-8 text to Base64 or decode Base64 data locally in your browser.
Encode and decode Base64 online
Base64 represents binary or text data using printable ASCII characters. It is commonly used in APIs, data URLs and email attachments.
Base64 is an encoding format, not encryption, and should not be used to protect secrets.
Frequently asked questions
Is Base64 secure?
No. Anyone can decode Base64 data, so it must not be treated as encryption.
Does this tool upload my input?
No. Encoding and decoding happen locally in your browser.