LZ77 Encoder & Decoder
Explore sliding-window LZ77 compression with offset, match-length and next-symbol tuples. Set window and look-ahead sizes, inspect tokens and decode the JSON array.
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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
Apply a reversible compression or transform with inspectable output and explicit limits.
03
Inspect and export
Review the processing notes, then copy or download the result. Continue with another tool if needed.