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Tool Factory

Encoding & Number Bases

Base85 Encoder

Convert input into Base85. Enter the data, choose the input and output formats, then copy the result.

Tool workspace

Your input stays in this browser.

Add the required input to continue.

Needs input

You can run the tool again after any change.

Options

Your result appears here

Convert input into Base85. Enter the data, choose the input and output formats, then copy the result.

This tool runs open-source code from CyberChef by GCHQ (Apache License 2.0). See open-source credits.

Base85 Encoder converts data between formats in your browser. For a correct result, match the receiver's alphabet.

a Base85 representation Processing runs in the browser.

Instructions

  1. Provide text or data for this tool.
  2. Choose the supported Base85 variant.
  3. Compare the output with a known Base85 Encoder sample.
  4. Keep the original value until the receiving system accepts the result.

Example

Input: Hello

Settings: Base85 Encoder: choose the supported Base85 variant

Result: a Base85 representation

Limits

  • Base85 Encoder: Base85 output can contain punctuation
  • Base85 Encoder: The operation does not detect a different input format automatically.
  • Base85 Encoder: Processing stays in the browser.

Questions

How do I encode bytes as Ascii85?

Select Standard as the Alphabet and supply the input data. Use Include delimiter when the destination expects <~ and ~> wrappers. The output represents bytes with Base85 symbols rather than encrypting their contents.

What changes when I select Z85 or the IPv6 alphabet?

The symbol mapping changes to the selected Base85 variant. These presets are not interchangeable with Standard Ascii85. Check the receiving format for its alphabet, block-length requirements, and wrapper rules before integration.

Does a shorter Base85 string mean the data is compressed?

No. Base85 uses a denser text representation than some other byte encodings. It does not analyze repeated content like a compressor. Compare the original binary size separately from the length of encoded text.