Base64 Decoder

Decode Base64 encoded data back to text, hexadecimal, binary, or download as files.

Output Type

Character Encoding

Base64 Data to Decode

Length: 0

Valid Base64

Base64 decoding converts ASCII text back into its original binary format
File output automatically detects MIME types and suggests appropriate file extensions
Data URLs starting with 'data:' are automatically detected and preserve MIME type information
URL-safe Base64 uses '-' and '_' instead of '+' and '/' characters
Whitespace in Base64 input is automatically ignored during decoding
Large Base64 strings can be decoded back to their original file format