ASCII85 (Base85) Encode / Decode

ASCII85/Base85 is an encoding, not encryption. Anyone can decode it.

Encode Decode

About ASCII85

ASCII85 (a.k.a. Base85) encodes binary data into ASCII characters. This tool uses the traditional Adobe variant without <~ ~> wrappers.

ASCII85 encoder/decoder online — free, no upload (FAQs)

FAQs

Is ASCII85 the same as Z85?: No. This tool targets the Adobe ASCII85 variant; Z85 has a different alphabet and padding rules.
Does this handle UTF‑8?: Yes. Text is UTF‑8 encoded before Base85 and decoded after.
Are <~ and ~> required?: No, they are optional markers and omitted here.

ASCII85 (Base85) FAQs

FAQs

What is ASCII85?: An encoding packing 4 bytes into 5 ASCII chars; used in PostScript/PDF.
ASCII85 vs Z85?: Z85 is a ZeroMQ variant with a different alphabet and no delimiters.