59 users
118 users
2 users
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Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
4,233 users
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Find in Page with Preview
Find in page and show preview images around matches.
282 users
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buggy-translate
a browser extension to translate words selected in page
41 users
Pinned GMail
Go to the pinned GMail tab. If it doesn't exist, it's created. It also alerts you the unread emails.
4,231 users
JavaScript Warning
You can store websites in a list which are not supposed to execute JavaScript code. If they try to do so the Add-on warns you.
2,296 users
OWASP Penetration Testing Kit
Penetration Testing Kit is an extension for application security practitioners, penetration testers, and red teams.
1,436 users
Gladiatus Crazy Add On
This crazy add on changes the game for real to fit you! This add on adds more features in the game, but you can enable only the features you want!
989 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
61,912 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
209,470 users
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umami
e621 enhancement
376 users
Open in Browser
Offers the possibility to display documents in the browser window.
2,208 users
Wizdler
Parses the WSDL files and generates SOAP messages for you.
2,891 users
tab list
Show a list of open tabs in plain text for easy backup
372 users
2 users
9 users
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12 users