Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text, in your browser.
Runs entirely in your browser (UTF-8 safe). Base64 is encoding, not encryption.
See Base64 in the Linux and SOC courses →
Frequently asked questions
Is this Base64 tool safe / private?
Yes. Encoding and decoding happen entirely in your browser with JavaScript - your text is never sent to a server.
Is Base64 encryption?
No. Base64 is encoding, not encryption - anyone can decode it. It only makes binary data safe to transport as text.