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by afgrant 1011 days ago
The hazard of base64 is the use of '+', '/', and '=' characters, which most HTTP engines treat as special.
1 comments

Luckily the spec provides for a url safe variant (sometimes called base64url): https://datatracker.ietf.org/doc/html/rfc4648#section-5
It exists, but I wouldn’t call that “lucky”, or a selling point.