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JSON Inspector 0.2.1-signed No Restart
Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.
This add-on requires the following add-ons to work properly:
This add-on is not compatible with your version of Thunderbird because of the following:145,032 users
This add-on is not compatible with your version of Thunderbird because of the following:
Inspects the structure and properties of a window and its contents.683 users