Base64 Encoder/Decoder
Encode and decode text using Base64 encoding. Supports URL-safe Base64 format.
Text to Encode
Base64 Output
SGVsbG8sIFdvcmxkIQ==
Input Length
13
Output Length
20
Size Ratio
153.8%
About Base64: Base64 encodes binary data into ASCII characters using 64 symbols (A-Z, a-z, 0-9, +, /). It increases size by ~33% but ensures safe text transmission.