string decoder freeware downloads

URL Escaped Encoding Decoder

1.0 freeware download

... taken not to escape or un-escape the same string more than once, since un-escaping an already un-escaped string might lead to misinterpreting a percent data character ...

Base64

1.9 freeware download

... used in encoding digital certificates, in encoding user:password string in an Authorization: header for HTTP. The spec ... it suitable for encoding binary data as SQL strings, that will work no matter what the encoding. ...