Firefox Browser Add-ons
Log in
Preview of nifty keylogger

nifty keylogger by Firefox user 10376685

A keylogger for firefox that works! This add-on logs keys including such keys as ALT, SHIFT, and BACKSPACE. It is hard to detect this keylogger through anti-virus software. To access the log, simultaneously press ALT + SHIFT + K orALT + SHIFT + O .

ExperimentalExperimental
3.9 (14 reviews)3.9 (14 reviews)
412 Users412 Users
You'll need Firefox to use this extension
Download Firefox
Download file

Extension Metadata

Screenshots
Underlying javascript code
About this extension
A keylogger for firefox that works!

This add-on logs keys including such keys as ALT, SHIFT, CTRL, ARROW KEYS and BACKSPACE. To access the log, simultaneously press ALT + SHIFT + K or ALT + SHIFT + O. A window with the content of the log file is then shown. You may want to scroll down the log to view the keystrokes most recently pressed.

Since logging keystrokes does not make this solution malware, it will be hard to detect the present add-on through anti-virus software. Root-kit detection software and other similar solutions are also unlikely to detect the keylogger.

This keylogger shows in the firefox menu with no text at all. I take it that is innocuous enough. The present keylogger does not open unsolicited popup windows. It is actually designed for minimum interference with the target machine. If you want to review and check my javascript code, I am happy for you to unzip the add-on and take a look.

The present add-on will allow you to log keystrokes on firefox no matter on what operating system firefox is running. Also, it will work on all versions of firefox starting from 3.5.

As from version 1.3, the log file can be cleared by pressing ALT + SHIFT + D.
Enjoy!

BTW: The solution also works in Chrome.
Rated 3.9 by 14 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
7
4
4
3
0
2
1
1
2
Read all 14 reviews
Permissions and dataLearn more

Required permissions:

  • Get data from the clipboard
  • Access browser tabs
  • Access your data for all websites
More information
Version
1.5.4
Size
132.78 KB
Last updated
6 years ago (May 28, 2019)
Related Categories
  • Privacy & Security
  • Other
License
GNU General Public License v2.0 only
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Add to collection
Report this add-on
Release notes for 1.5.4
- added privacy policy.
More extensions by Firefox user 10376685
  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

  • There are no ratings yet

Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.