Encoder and decoder
In browserConvert text to and from base64, base64url, percent-encoding, hex and HTML entities
Input
This tool runs entirely in your browser. Nothing you type is sent to the server, so it is safe for tokens, keys and passwords — and it keeps working with the network unplugged.
Fill in the form and run the tool. Results appear here.
Base64 is an encoding, not encryption — anything encoded here is trivially readable by anyone who has it. Kubernetes secrets and basic-auth headers are base64, which is exactly why they need to be treated as plaintext credentials.