SeaMonkey

by Zulkarnain K.

42 Add-ons in this Collection

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 124 reviews

13,995 users

Gives a possibility to create custom toolbarbuttons...

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 26 reviews

20,037 users

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

Open in Browser by Rob W, Sylvain Pasche, others

Rated 5 out of 5 stars 70 reviews

5,200 users

Offers the possibility to display documents in the browser window.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 353 reviews

65,465 users

Adds zoom and rotation functionality for images...

PrefBar by Manuel Reimer

Rated 5 out of 5 stars 42 reviews

9,025 users

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 77 reviews

53,689 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Stylish Sync by Herrminator

Rated 5 out of 5 stars 31 reviews

1,845 users

Sync engine for Stylish with backup / restore facility.

Add-ons Manager Context Menu by Zulkarnain K.

Rated 5 out of 5 stars 48 reviews

53,848 users

Add more items to Add-ons Manager context menu.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 109 reviews

15,752 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

JSONovich by Will Elwood, mjgiarlo

Rated 4 out of 5 stars 47 reviews

4,700 users

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Key Manager by Subrata Mazumdar

Rated 3 out of 5 stars 21 reviews

65 users

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

TabSubmit by Kai Liu

Rated 5 out of 5 stars 14 reviews

885 users

Lets the user direct the submission of a form to a new tab or window. [Bug #17754]

Sea Fox by patrickjdempsey

Rated 4 out of 5 stars 13 reviews

238 users

Transform SeaMonkey into Firefox 3.x

xSidebar by Philip Chee

Rated 4 out of 5 stars 12 reviews

26 users

Firefox style sidebars for SeaMonkey...

Lightweight Themes Manager by Zulkarnain K.

Rated 4 out of 5 stars 13 reviews

4,583 users

Manage your installed personas (lightweight themes).
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