ASCII85 Encoder / Decoder

Encode and decode ASCII85 (also called Base85/btoa). Supports Adobe, Z85, and RFC 1924 variants. Used in PostScript, PDF, and git binary patches.

All processing happens in your browser. No data is uploaded.

Offline Ready

ASCII85 Encoder / Decoder

Encode and decode ASCII85 (also called Base85/btoa). Supports Adobe, Z85, and RFC 1924 variants. Used in PostScript, PDF, and git binary patches.

🔒All processing happens in your browser. No data is uploaded.

Encode

Decode

Encoding Variant

Adobe (Ascii85 / btoa)

Wrap with <~ ~> delimiters

Input

Hello, World!

About ASCII85 Variants

Adobe variant: Uses characters ! (33) through u (117). Wraps output in <~ ~> delimiters. Supports 'z' shorthand for four zero bytes. Used in PostScript and PDF.

Z85 variant: Uses 0-9, a-z, A-Z, and special characters. Designed for ZeroMQ. Input must be a multiple of 4 bytes.

RFC 1924 variant: Uses 0-9, A-Z, a-z, and 23 special characters. Originally proposed for encoding IPv6 addresses. Input must be a multiple of 4 bytes.

Output