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Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Rated 4 out of 5 stars (120)
172 users

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Markdown Here Requires Restart

Write your email in Markdown, then make it pretty.

Rated 4 out of 5 stars (46)
33 users

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Tiny JavaScript Debugger

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Rated 5 out of 5 stars (8)
54 users

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Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
2 users

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JavaScript Object Examiner Requires Restart

Display JavaScript object methods and properties for any available scope.

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0 users

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Mozilla Labs - Jetpack Prototype Requires Restart

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Rated 4 out of 5 stars (27)
0 users

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Restart Thunderbird Requires Restart

Restart Thunderbird with ease.

Rated 4 out of 5 stars (25)
7 users

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JSON Inspector

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

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0 users

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