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KeyLemon For Windows
Download (44.1 MB)

About KeyLemon

KeyLemon is a facial recognition software that provides an additional layer of security for logging into your computer. It goes beyond a regular webcam tool by regularly verifying your identity throughout your computer usage. The latest version of KeyLemon also includes a Firefox plugin called LemonFox, offering added protection when logging into popular social media platforms like Facebook, Twitter, and LinkedIn.

Key Features

1.Facial Recognition Authentication
KeyLemon utilizes facial recognition technology to authenticate users on their computers. During the initial setup, the program guides users through creating a profile of their face, which is then linked to their computer's login credentials. This ensures that only the authorized user can access the system.

2.Continuous Identity Verification
KeyLemon goes beyond the initial login by continuously monitoring the webcam for facial recognition. It periodically checks the user's face every 10 seconds to confirm their presence in front of the computer. If an unrecognized face is detected, KeyLemon locks the computer and captures a photo of the unauthorized person.

3.Customizable Settings
The software offers various customizable settings to suit individual preferences. Users can adjust the frequency of webcam checks, create multiple profiles for different users, enable or disable the facial recognition login feature, set KeyLemon to run at system startup, and even customize the appearance of the interface with different skins.

4.LemonFox Plugin
KeyLemon's LemonFox plugin provides enhanced protection when logging into specific websites such as Facebook, Twitter, and LinkedIn. By utilizing the webcam, LemonFox helps prevent unauthorized access to these platforms on the computer where KeyLemon is installed. It also includes a tutorial to help users get started with the plugin, ensuring a smooth and secure browsing experience.

While KeyLemon offers an additional layer of security and convenience, there are a few potential issues to consider. In some cases, the software may have difficulty recognizing a face, especially after waking the computer or transitioning between docking modes. Additionally, excessive lighting on the face can negatively affect recognition accuracy. Despite these minor drawbacks, KeyLemon remains a reliable software tool for enhancing computer security. It should be noted, however, that it is still advisable to keep traditional text-based or fingerprint log-in options enabled alongside KeyLemon for comprehensive security measures.

Reviewed by shelbybrown


Updated onDecember 2, 2012
Operating systemWindows 8, Windows Vista, Windows, Windows 7, Windows XP

Old Versions

December 2, 2012
exe32 bit
KeyLemon icon
KeyLemon for PC
Create your face model and login simply and conveniently using face recognition.
Free Downloadfor Windows

How to download and Install KeyLemon on Windows PC

  • Click on the Download button to start downloading KeyLemon for Windows.
  • Open the .exe installation file in the Downloads folder and double click it.
  • Follow the instructions in the pop-up window to install KeyLemon on Windows PC.
  • Now you can open and run KeyLemon on Windows PC.