ConverterHub

Ascii85 Encoder / Decoder

Convert text to and from Ascii85.

How to use

  1. Enter your values in the fields above.
  2. Press Calculate to see your result instantly.
  3. Use the Share button to copy a link to your result.

About this calculator

This calculator encodes text to Ascii85 (base85) or decodes it back, using the scheme that packs every 4 bytes of binary data into 5 printable ASCII characters — more space-efficient than Base64's 4-for-3 ratio, at the cost of a wider character set.

Developers working with PDF and PostScript files, where Ascii85 is a native filter, and anyone needing compact text-safe binary encoding, use it to embed binary data in text-only formats. Enter text or Ascii85 data to convert it in either direction.

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