About Base64 decoder

Base64 Decoder is a simple and free online tool that quickly and easily decodes your data to human-readable text.

What is Base64?

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The term Base64 originates from a specific MIME content transfer encoding.
Read more...

Common usage of Base64

• Encode binary data so it can be included in data: URL. Like embedded images in HTML, CSS or attachments in emails.
• Output binary data as XML or JSON in API responses
• Preserve raw bytes of cryptographic functions
• Save binary files to database when BLOB is unavailable
• Hide plain secrets from being seen (bad practice) like for Basic HTTP Authentication

Example

Plain text: Hello world!
Base64 encoded: SGVsbG8gd29ybGQh