Arithmetic Encoder & Decoder
Encode text with arithmetic coding and inspect symbol probabilities and coding ranges. Choose precision and retain the JSON model needed to decode the result.
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Add your input, adjust the options and run the tool.
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How to use this tool
01
Add your input
Paste text or choose a file. Try the example to get started.
02
Choose your options
Explore lossless coding with a portable JSON record containing the model required to decode.
03
Inspect and export
Review the processing notes, then copy or download the result. Continue with another tool if needed.