ASCII85 Encoder

Convert UTF-8 bytes to ASCII85 locally, with optional <~ ~> delimiters and the standard z shortcut for four zero bytes.

UTF-8 text

ASCII85 output

Wrap output in Adobe <~ ~> delimiters

—ASCII85 maps four bytes to five printable characters and may abbreviate a full four-zero-byte group as z.

ASCII85 groups four bytes into five printable symbols

Adobe delimiters and the z zero-block shortcut are explicit. Partial final groups preserve the exact source byte count.