Meet Base64 Decode and decode, a simple online tool that does exactly what it says: decodes from Base64 encoding as well as decodes into it quickly and easily. Base64 decode your data without hassles or decode it into a human-readable format. Base64 encoding schemes are commonly used when there is a need to decode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with text. This encoding helps to ensure that the data remains intact without modification during transport. Base64 is used commonly in a number of applications including email via MIME, as well as storing complex data in XML or JSON.