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Compression & Archives

XPRESS Decompressor

Process compressed data with XPRESS Decompress and the selected archive settings. Choose the input and archive options, then download the processed result.

Tool workspace

Your input stays in this browser.

Add the required input to continue.

Needs input

Run the tool when your input is ready.

Drop files here or choose files.

Choose input from this device.

Your result appears here

Process compressed data with XPRESS Decompress and the selected archive settings. Choose the input and archive options, then download the processed result.

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

XPRESS Decompressor restores bytes using the XPRESS plain LZ77 algorithm.

It returns processed bytes. The operation runs in your browser. Processing runs in the browser.

Instructions

  1. Provide file or files for this tool.
  2. Provide XPRESS bytes.
  3. Run the decompressor.
  4. Compare output size with the expected buffer.

Example

Input: a small XPRESS processed-byte sample

Settings: XPRESS Decompressor: Use the built-in operation behavior.

Result: It returns processed bytes. The operation runs in your browser.

Limits

  • XPRESS Decompressor: The input must use XPRESS plain LZ77 format.
  • XPRESS Decompressor: It does not decompress a WIM container by itself.
  • XPRESS Decompressor: Malformed blocks can fail.