13 Best Free Open Source Password Generator Software For Windows

Here is a list of best free open source password generator software for Windows. As these are open source password generators, thus you can also download and modify their source codes without any restriction. Through these software, you can easily generate passwords of different lengths. In most software, you can specify the character sets (lower case character, symbols, numbers, etc.) that you want in the output password. Besides this, you can also specify the exact number of characters or minimum and maximum threshold length for output passwords. In some software, you can even generate multiple passwords at once. After generating the password, you can save it in TXT format, in some software. While in most password generators, you can copy the final password to the clipboard.

The process of password generation is quite simple in all these software. Still, for novice users, I have mentioned the password generation steps in the description of each software. Apart from primary password generation features, you can also find many additional tools in these password generators. You can find additional tools like encrypt clipboard, random data file, hash generator, etc., in some software. In general, all these open source password generators are very capable software to generate random passwords. Go through the list to know more about these software.

My Favorite Open Source Password Generator Software For Windows:

PWGen is my favorite software because it lets you generate multiple random passwords of specified character sets. Plus, you can also use it to encrypt clipboard data and generate random data files.

KeePass is another really good password generator that you can try because it can be used to generate and manage a large amount of passwords.

You can also check out lists of best free Open Source Barcode Generator, Open Source Code Editor, and Open Source QR Code Generator software for Windows.

PWGen

PWGen is a free, portable, open source password generator software for Windows. Through this software, you can generate random passwords of almost any length. In it, you can also mention specific characters, numerals, and words that this software should use to generate a password. Another advantage of this software is its ability to generate multiple random passwords at a time. After generating passwords, you can save it in TXT and TGM formats. Now, follow the below steps to generate password through this open source password generator.

How to generate password using PWGen:

• Start this software and specify the password length along with characters, words, etc., that you want in the password.
• After that, specify the number of random passwords that you want to generate in the Multiple Passwords fields.
• Now, hit the Generate button to generate passwords.
• Lastly, you can copy or save the password in TXT and TGM formats.

Additional Features:

• Encrypt Clipboard: This feature encrypts the system clipboard so that no unauthorized user can view the clipboard content.
• Create Random Data File: Using it, you can generate a random data file of several megabytes for different purposes.
• MP Password Generator: This feature lets you create random passwords based on the existing master password.

Final Thoughts:

It is one of the best free open source password generator software through which you can create any number of random passwords of different lengths.

KeePass

KeePass is a free open source password manager software that can also be used as the password generator software. It works on Windows, macOS, and Linux. In this software, you can securely store passwords of various applications and websites.

To generate a password, it offers a dedicated generate password tool. Through generate password tool, you can generate random passwords, passwords based on different character sets, and password-based on user-defined character and numeral patterns. In it, you can also set some advanced parameters before generating the password like each character must occur at least once, exclude look-alike characters, etc.

How to generate password using KeePass:

• Launch this software and go to Tools > Generate Password tool section.
• After that, you can choose multiple characters sets or manually specify a pattern consisting of characters and numerals to influence the output password.
• Next, go to the Advanced tab to specify advanced settings as mentioned earlier.
• Lastly, click on the OK button to generate a random password that you can copy or save within this software.

Additional Features:

• In this software, you can maintain a database to securely save the passwords of different applications and online services.
• In this password generator, you can maintain a master key so that users with the correct authorization can access this software.
• A handy duplicate entry feature to remove redundant usernames and passwords is also provided by this software.

Final Thoughts:

It is another useful open source password generator software in which you can also manage passwords of different applications and web services.

Advanced Password Generator

Advanced Password Generator is the next free open source password generator software for Windows and Linux. In it, you can generate random passwords of different lengths. Before generating the password, you can specify whether you want lower case, upper case, numbers, special characters, and unique characters in the generated password or not. Besides this, you can also specify custom characters, numbers, and special characters that you want in the output password. Now, follow the below steps to generate password using this software.

How to generate password using Advanced Password Generator:

• Start this software and specify the size for the output password or the minimum and maximum password value that the output password can attain.
• After that, specify the combination of character sets from various available ones that you want to in your password.
• In the end, press the Generate button to get the final password that you can copy to clipboard.

Additional Feature:

• This software offers a handy show various hashes of password feature that shows B65, MD5, and SHA1 hash equivalent of the output password.

Final Thoughts:

It is another capable open source password generator through which you can generate a strong password of different lengths.

Awesome Password Generator

Awesome Password Generator is the next free open source password generator software for Windows. It comes in both the executable and portable packages. Through this software, you can generate one or more random passwords of different lengths and strengths. Along with random passwords, it can also be used to generate WiFi WPA keys for stronger WiFi passwords. If you want strong yet easy to type passwords, then you can also generate them in this software. Now, check out the below steps to generate passwords through this open source password generator.

How to generate password using Awesome Password Generator:

• Launch this software and either go to its single password generation or bulk password generation section.
• After that, specify the length of the password and types of character sets you want in the final password.
• If you have selected the bulk password generator section, then you also need to specify the number of passwords, you want to generate.
• In the end, specify the output password location and then press the Run button to start the password generation.

The final passwords will save in the TXT file format.

Final Thoughts:

It is a simple password generator software through which you can generate strong passwords in bulk.

SimpleKey

SimpleKey is a free open source password generator software for Windows, macOS, and Linux. Using this software, you can generate passwords of length up to 500 characters. In the password, you can include or exclude upper case, lower case, numeric, and special characters. Plus, options to add custom characters to the password is also present in it. The process of password generation is quite simple. Check out the below steps to generate password through this software.

How to generate password using SimpleKey:

• Launch this software and enter the length of password in the Enter a number between 1 to 500 field.
• After that, select which character sets (upper case, lower case, numeric, etc.) you want in the generated password.
• Next, you can specify a custom set of characters that you want in the output.
• Lastly, press the Generate Key button to generate a password. You can copy the final password to the clipboard.

Additional Feature:

• This software offers a Hash Table feature through which you can generate multiple hash codes using different algorithms like MD4, SHA 1, JH224,  SHA 512, Blake256, and more.

Final Thoughts:

It is one of the simplest open source password generation software that anyone can use without much hassle to generate passwords.

Password_GeneratorbyAB

Password_GeneratorbyAB is another free open source password generator software for Windows. It is also a portable software that you can use on the go without installation.

Through this software, you can generate random passwords of any length. Before generating a password, you can set the strength of the password that varies between 1 to 10 levels. You can save the final generated password in TXT format. Besides this, a deface copy of the password can also be generated and saved in the TXT file format.

How to generate password using Password_GeneratorbyAB:

• Start this software and enter the password length in the Length of Password field.
• After that, specify the strength of the password between levels 1 to 10 in the strength of password field.
• Now, you can choose to save both the text and deface copy of the password in the TXT file format
• Lastly, click on the Generate button to start the password generation process.

Additional Feature:

• This software keeps a tab of all the password generation process in the form of a LOG file.

Final Thoughts:

It is a simple and lightweight password generation software through which you can quickly generate a random password of any length.

Random Password Generator

Random Password Generator is a free portable and open source password generator software for Windows. As it is a portable software, thus you can use it without the installation. It is also a lightweight software that does not stress the system.

Through this password generator, you can generate passwords of different lengths. Before starting the password generation process, you can specify whether you want special characters, numeric characters, alphabets (lowercase) and alphabet (uppercase) in the generated password or not. After specifying these parameters, you can start the password generator process.

How to generate password through Random Password Generator:

• Launch this software and specify which combination of special characters, numerals, and alphabets, you want in the generated password.
• After that, define the length of the output password in the Length field.
• Lastly, click on the Generate button to start the password generation process.

After generating the password, you can copy it to the clipboard.

Final Thoughts:

It is a simple and lightweight password generation utility through which anyone can easily generate random passwords of any length.

Hawkpass

Hawkpass is yet another open source password generator software for Windows, macOS, and Linux. It is also a portable software that you can directly use from a portable storage device. It is a cryptographically secure random password generator software. It uses the mouse movements to collect entropy that it uses to produce strong passwords. On its interface, you can view multiple buttons that let you generate numerical passwords, symbol-based passwords, passwords with spaces in them, and diceware base passwords.

How to generate password using Hawkpass:

• Start this software and move your mouse until this software collects the require entropy values.
• After that, select the type of password (numerical, symbol based, diceware, etc.) you want to generate.
• Lastly, press the Generate button to get the password.

Additional Feature:

• After generating a password, this software offers a Case Scenario that shows how much time a powerful system can take to guess the correct password if it is guessing the password at the rate of one trillion key per second.

Final Thoughts:

It is another really good password generator through which you can generate very strong passwords.

Password Generator

Password Generator is the next free portable and open source password generator software for Windows. Through this software, you can generate a random password from 9 characters to 12 character lengths. In the output password, this software can include numbers, symbols, and letters. Before generating the password, you can select the combination of character sets you want in the output passwords. Now, follow the below steps to generate password through this software.

How to generate password using Password Generator:

• Open the interface of this software and select the length of password from the Length menu.
• After that, specify the character sets (number, letters, and symbols) you want in the password.
• Lastly, press the Generate Password button to view the generated password.

Additional Feature:

• In this software, you also get a Save feature that lets you save up to 9 generated passwords within this software.

Final Thoughts:

It is another easy to use open source password generator that you can use to generate random passwords.

PW Generator

PW Generator is another free open source password generator for Windows. Through this software, you can generate and manage website passwords. To generate a password through this software, you need to provide a website name, website URL, and a base password. In addition to that, you can specify the password length and character sets (symbols, numeric, lower case characters, etc.) according to which this software will generate the password.

How to generate password using PW Generator:

• Start this password generator and enter the website name, URL, and a base password in their respective fields.
• After that, specify the minimum and maximum length of the password along with the combination of character sets.
• As soon as you enter all required parameters, you automatically get the password in the Generate field that you can copy to clipboard.

Additional Features:

• Regenerate: Using it, you can generate more passwords for the same set of specified parameters.
• Add: Use it to save the generated passwords along with their website names within this software.

Final Thoughts:

It is a good open source password generator through which you can quickly generate random passwords of different lengths.

PasGen

PasGen is another free open source password generator software for Windows. It is a simple to use random password generator through which you can generate 10 random passwords of any length at a time. Unlike other similar software, it lets you specify the frequency of vowels, consonants, numbers, and symbols that you want in output passwords. It even has the feature to generate pronounceable passwords. Now, follow the below steps to generate passwords through this software.

How to generate password through PasGen:

• Launch this software and specify the length of password in the Characters field.
• After that, specify the frequency of vowels, consonants, numbers, and symbols.
• Now, enable pronounceable and CAPS options to generate pronounceable upper case character passwords.
• Lastly, hit the Generate button to get output passwords on its interface that you can copy to clipboard.

Final Thoughts:

It is another easy to use password generator software that anyone can use to generate multiple random passwords.

Password Maker

Password Maker is another free portable and open source password generator software for Windows. It is a console-based password generator software that does not come with a graphical user interface. Still, it is quite simple to use.

This software is mainly built to generate passwords for online services and websites. To generate a password, you need to provide a key consisting of 6 to 20 characters. According to the provided key, it will generate a random password. Now, follow the below steps to generate a random password through this open source password generator.

How to generate password using Password Maker:

• Start this software and enter the website name for which you want to generate a password.
• After that, specify a key between 6 to 20 characters (you can include characters, special characters, and numerals to the key).
• Lastly, press the Enter button to start the password generation process.

Final Thoughts:

It is another simple open source password generator that you can use to generate a password based on a user-defined key.

RND

RND is another free portable and open source password generator software for Windows and Linux. It is also a command-line based software that does not come with a GUI. To use this software, you need to use a specific command that you can view below.

How to generate password using RND:

• Launch this software with the help of the command line.
• After that, write this command rnd.exe -p.
• Lastly, press the Enter key to get a random password on its interface that you can copy.

Additional Features:

• Apart from password generation, you can also use it to generate large files, character streams, text string, and more.

Final Thoughts:

It is a decent open source password generator that you can try if you are interested in command-line based software.