Ascii85 Decode

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Converted locally in your browser with UTF-8 safe TextEncoder and TextDecoder handling. Your text stays only on this page.

Decode Ascii85 text

Convert Adobe Ascii85 back into readable text. Whitespace and optional <~ ~> delimiters are ignored, z expands to four zero bytes, partial tuples are padded and truncated, and the decoded bytes are interpreted as UTF-8. Out-of-range characters and overflowing tuples are reported as an error.

When to use this tool

Use Ascii85 when you need a denser text encoding than Base64 (about 25% overhead instead of 33%), such as embedding binary data in PDF and PostScript streams or reading git binary patches.

Privacy and limitations

This conversion runs locally in your browser. Ascii85 is an encoding format, not encryption, so anyone can decode the result if they have the encoded text. It uses the Adobe scheme — distinct from the ZeroMQ Z85 alphabet used by the Base85 string generator.