Knowing how to put a password on WhatsApp is becoming increasingly essential these days. The application that allows direct communication between users over the internet is one of the most popular that offers this service and a lot of personal and confidential information can be shared during conversations.
If you want to prevent your data or personal information from falling into the wrong hands, we can help you increase the security of the app by locking WhatsApp with a password! This will make the application more secure and you won't have to worry as much. Here we will offer a detailed step-by-step guide on how to activate this option on Android, iPhone and PC. Let's check it out together!
Locking with Fingerprint

Fingerprint Lock is an efficient option for those who want to know how to protect WhatsApp with a password. The feature allows only the owner of the device to access the app, requiring the biometrics registered on the device. To activate the function and learn how to put a password on WhatsApp like this, just go to the settings WhatsApp, tap “Privacy,” and then select “Fingerprint Lock.”
After all this, activate the “Unlock with fingerprint” option and place your finger on the sensor to complete the process. If biometrics are not yet registered on the device, you will need to activate them in the system settings and then you will know how to put a password on Whatsapp using your fingerprint.
On Android, go to “Security and Privacy”, find the “Biometrics” option and select “Fingerprint” to register your fingerprint. On iPhone, the procedure is similar, but you need to access the “Privacy” tab in WhatsApp and activate Touch ID. This way, access to the application will only be allowed after biometric authentication.
FaceID Protection
For iPhone users, Face ID is a practical and secure option to protect WhatsApp against unauthorized access. With this technology, the app can only be unlocked by recognizing the user's face. To activate the feature, open WhatsApp's “Settings”, go to “Privacy” and select “Screen lock”. Then, tap the “Face ID” option to activate the function and ensure greater protection for your conversations.

In addition to learning how to put a password on WhatsApp, you can customize the frequency of the lock according to your preference. The user can choose between locking the application immediately after use or setting a waiting time, which can be one minute, 15 minutes or even one hour. This way, security can be adjusted according to need, balancing protection and practicality in everyday life.
With this setting enabled, access to WhatsApp becomes much more secure, since only the registered face can unlock the app. If Face ID fails, the system will ask for the iPhone password as an alternative. This way, your personal information and conversations are protected against any attempted intrusion or misuse, so it is important to know how to put a password on WhatsApp like this.
Block specific conversations
For those who want more privacy, knowing how to put a password on WhatsApp can include the feature to lock and hide specific conversations. This function is ideal for hiding messages from contacts or groups that you prefer to keep more private. When you activate the option, conversations are only accessible through authentication methods, such as Face ID, fingerprint, secret code or device PIN.

The process of locking a conversation on WhatsApp is simple and efficient. First, open the conversation you want to protect and tap on the name of the contact or group. Then, scroll down until you find the “Locked Conversations” option. Simply tap the button to activate the feature and add this extra layer of protection. This way, notifications related to these conversations will not display the contact’s name or the content of the messages.
In addition to increasing security, the locked conversations feature allows you to better organize and protect your most sensitive communications. By keeping certain messages away from prying eyes, you can browse WhatsApp with more peace of mind. So, if you still don't know how to put a password on WhatsApp, this is an excellent way to start protecting your personal information and ensuring more privacy in your conversations.
Secret code
If you want even more privacy, you can protect your messages with a secret code on WhatsApp. This feature allows only those who know the correct sequence to access locked conversations, adding an extra layer of security. This way, your messages remain hidden and out of reach of third parties, ensuring greater control over your privacy.
To activate the feature, go to the “Locked Chats” folder on the WhatsApp home screen and tap “Settings”. Then select “Secret Code” and then “Create Secret Code”. Enter a number sequence of your choice and tap “Next”. Finally, confirm the code by entering it again and pressing “OK”. This method reinforces privacy and prevents third parties from seeing your messages without your permission.

If you need to change your password, the process is simple. Go back to your locked chats folder, go to “Settings” and select “Password”. This way, you can change your password whenever you need to. Knowing how to set a password on WhatsApp is essential to protect your personal information and ensure greater peace of mind when using the app.
Blocking WhatsApp Web
For those who use WhatsApp Web, it is also possible to learn how to protect WhatsApp with a password. This feature prevents third parties from accessing your messages if the device is unlocked or shared with other people. With this feature enabled, you will need to enter a code every time you open WhatsApp Web.

To activate this extra protection, access WhatsApp Web and click on the three dots at the top of the chat list. Then, go to “Settings” and select the “Privacy” option. Then, find “Screen lock” and activate the function. The next step is to create a password and, finally, confirm the code entered. This way, your WhatsApp Web will be protected against unauthorized access.

If you want to change or disable the password, simply follow the same path within the settings and change the code as needed. Therefore, learning how to put a password on WhatsApp becomes essential to reinforce security, both on your cell phone and on your computer, ensuring more privacy for your messages.

Conclusion
Protecting your conversations is essential, and now that you know how to put a password on WhatsApp, you can keep your data safer on your phone and computer. With features like fingerprint lock, Face ID, and secret code, your messages will be protected from unauthorized access.
Have you ever heard of these options for protecting your WhatsApp? Share them with us in the comments! Take a look at them too our article on the best apps for reading manga because we know that you will definitely be interested too!