Firefox stores information on built-in and added-on search engine plugins in a file compressed using Mozilla's flavor of LZ4 compression (.mozlz4 file extension). This page provides a brief summary table showing what it found; the full JSON data, including paths and parameters, can be saved for examination in a Firefox tab or another tool. Note: Firefox 78.0 was going to migrate this data to a new file, but that was reversed in Firefox 78.0.1.
Step 1: Load File
Drag and drop search.json.mozlz4 onto the empty text box. This file is not sent to the network, it is only read within this page in Firefox.
Or open using:
Note: To try a different file, reload this page (Windows: Ctrl+r. Mac: Command+r). Or click the reload button in the address bar.