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Web Development

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Modify HTTP Response

Rewrite http response body using search & replace patterns

Rated 5 out of 5 stars (8)
10 users

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SQL Cardfile Requires Restart

A simple card file database using SQLite as the backend.

Not yet rated
1 user

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Page Hacker Revived Requires Restart

Adds a toolbar to edit and format the current page

Rated 4 out of 5 stars (8)
0 users

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SourceEditor Requires Restart

View and Edit source of HTML element...

Rated 4 out of 5 stars (20)
1 user

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about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (40)
2 users

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Signature /Auto Paste /Prefill Fourms Requires Restart

Makes everyday entries to forms & forums simpler!
Add a sig. with just a Rclick of the mouse and select 'Add Sig.' from the context menu.
(Please, note: What you see in the pic is only an example. ThoseRMine Sorry, you have to make your own tabs. )

Rated 4 out of 5 stars (30)
47 users

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eCleaner Requires Restart

Clears preferences left by extensions after uninstallation

Rated 4 out of 5 stars (69)
19 users

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Web Server Check Tool Requires Restart

A tool to perform basic checks on web and DAV servers.

Not yet rated
2 users

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techblocker

Search with Joy! Block Ads While Surfing!

Rated 5 out of 5 stars (3)
7 users

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Fetch Text URL (fix version) Requires Restart

Open text URLs from the context menu.

Rated 5 out of 5 stars (7)
1 user

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RequestPolicy v0.5 Legacy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 3 out of 5 stars (6)
4 users

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MR Tech Link Wrapper Lite Requires Restart

Wraps long links and lines to spare you from having to scroll left and right...

Rated 1 out of 5 stars (1)
0 users

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Live HTTP Headers Requires Restart

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (216)
42 users

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System Monitor Requires Restart

Provides CPU usage and memory usage graphs on the toolbar.

Rated 4 out of 5 stars (13)
0 users

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HttpFox Requires Restart

An HTTP analyzer addon for Firefox

Rated 4 out of 5 stars (217)
20 users

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Restartless Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 4 out of 5 stars (204)
13 users

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RequestPolicy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 4 out of 5 stars (215)
14 users

Download Now