WhatsApp has evolved far beyond simple text messaging. With over three billion monthly active users, it has become a comprehensive communication platform packed with features that most people never discover . From hiding your profile from specific contacts to transferring calls between devices, there are dozens of hidden capabilities that can transform how you use the app. This guide covers the most valuable secret features and essential tips you need to know.

Privacy and Security Features

Lock Individual Chats

One of WhatsApp’s most useful privacy features is Chat Lock, which allows you to secure specific conversations with biometric authentication. When you lock a chat, it moves to a separate “Locked Chats” folder that can only be accessed through fingerprint, face recognition, or passcode .

To enable Chat Lock, open the chat you want to protect, tap the contact or group name, and select the lock option. Locked chats automatically close when you lock your device, and notification content is hidden—you’ll simply see “WhatsApp: 1 new message” instead of the actual text .

For additional security, you can hide the Locked Chats folder entirely. Go to Locked Chats > Settings > Hide locked chats, and the folder will disappear from your chat list. To access it again, type your secret code into the search bar .

Hide Your Profile Picture from Specific Contacts

Sometimes you need to save a contact for practical reasons—a delivery driver, repair technician, or service provider—but you don’t want them viewing your personal photos. WhatsApp allows you to hide your profile picture from specific contacts while keeping it visible to everyone else .

Navigate to Settings > Privacy > Profile picture > My contacts except, then select the contacts you want to exclude. These individuals won’t be able to view your photo unless you change the settings back .

Set Disappearing Messages

For conversations containing sensitive information, disappearing messages automatically delete texts after a set period: 24 hours, 7 days, or 90 days. You can enable this for all new chats through Settings > Privacy > Default message timer, or for individual conversations through the chat settings .

If you need to preserve specific messages despite the timer, long-press the message and select “Keep.” These saved messages can be found in the “Kept messages” section within the contact’s settings .

Two-Step Verification and Passkeys

Protecting your account from unauthorized access starts with enabling two-step verification. Go to Settings > Account > Two-step verification and set up a PIN that will be required when registering your phone number on a new device .

For even stronger security, WhatsApp now supports passkeys, which use biometric authentication instead of passwords. Passkeys cannot be hacked or phished, making them significantly more secure than traditional verification methods .

Silence Unknown Callers

If you’re receiving unwanted calls from unknown numbers, WhatsApp offers a simple solution. Go to Settings > Privacy > Calls and enable “Silence unknown callers.” This prevents calls from unknown numbers from ringing, though you’ll still see them in your Calls tab and notifications .

Productivity and Convenience Features

Use Multiple Accounts on One Phone

WhatsApp now supports using two accounts simultaneously on a single device, perfect for separating work and personal communications. To add a second account, go to Settings, tap the “+” icon next to your profile picture, and follow the prompts to verify your second phone number .

You can switch between accounts instantly, and notifications from both accounts will appear on your device, ensuring you never miss important messages .

Transcribe Voice Messages

Long voice messages can be inconvenient when you’re in a meeting, in a noisy environment, or simply prefer reading. WhatsApp’s voice message transcription feature converts audio to text, allowing you to read messages instead of listening .

Enable this feature through Settings > Chats > Voice message transcripts, then select your preferred transcription language. Once set up, a “Transcribe” button will appear below voice messages, giving you instant text versions .

Use WhatsApp on Multiple Devices

The Companion Mode feature lets you link your WhatsApp account to multiple devices, including computers, tablets, and other phones. Your messages sync across all linked devices, and you can send and receive messages independently—even when your primary phone is offline .

To link a device, go to Settings > Linked devices > Link a device, then scan the QR code displayed on your secondary device .

Read Messages Without Blue Ticks

Sometimes you want to read a message without letting the sender know. While you can disable read receipts entirely in Settings > Privacy, this also prevents you from seeing others’ read status .

A workaround involves using airplane mode: turn it on before opening WhatsApp, read the message, close the app completely, then turn airplane mode off. This prevents the read receipt from being sent .

Send Messages Without Saving Numbers

You don’t need to save a contact to message them on WhatsApp. Simply type “wa.me/” followed by the phone number (including country code) in your browser. This opens a direct chat window in WhatsApp, perfect for one-time communications with delivery agents, customer support, or new acquaintances .

Group Chat Features

Member Tags for Context

In group chats where not everyone knows each other, Member Tags help clarify roles. You can label yourself differently in each group—appearing as “Coach” in a sports group and “Dad” in a family chat. This feature is particularly useful in large groups with diverse participants .

Smarter Polls

WhatsApp polls now support end times, allowing you to set deadlines for voting. You can also hide voter names, encouraging honest responses without social pressure. If you spot an error, poll questions can be edited within 15 minutes of creation .

Create Sub-Groups Quickly

When a large group needs a side conversation, you can now create a new group directly from an existing one. Tap the option to create a new group, select the participants you want to include, and start chatting—no need to manually add each person .

Admin Controls

Group admins have extensive control options. You can restrict who can send messages (useful for announcement-only groups), prevent non-admins from adding members, and require approval for new participants. These settings are found under Group permissions when you tap the group name .

Calling Features

Call from WhatsApp Web

WhatsApp Web now supports making and receiving audio and video calls directly from your browser, eliminating the need to download a separate desktop app. These calls remain end-to-end encrypted, with no time limits or additional costs .

Call Transfer Between Devices

Switching devices mid-call no longer requires hanging up and calling back. The Call Transfer feature lets you move an active call from your phone to WhatsApp Web or desktop—and vice versa—without interrupting the conversation. Other participants won’t even notice the switch .

Waiting Room for Group Calls

For group calls requiring privacy, WhatsApp now offers a waiting room feature. When creating a call link, enable “Require approval to join,” and participants will wait until you admit them. This prevents uninvited guests from joining sensitive conversations .

Message Management

Edit Sent Messages

Made a typo or sent incorrect information? WhatsApp allows you to edit sent messages within 15 minutes. Long-press the message, select “Edit,” make your changes, and send. Edited messages display an “edited” label so recipients know the content was modified .

Pin Important Messages

Keep crucial information easily accessible by pinning messages within chats. You can pin up to three messages, choosing durations of 24 hours, 7 days, or 30 days. The most recent pinned message appears first in the chat banner .

View Once for Audio

Sensitive voice messages can be sent with a “View Once” setting, meaning they can only be played once and then disappear. This is useful for sharing temporary information like credit card details or passwords verbally .

Format Your Messages

WhatsApp supports simple text formatting to emphasize your messages. Use asterisks for bold text, underscores for italics, and tildes for ~strikethrough~. This helps highlight key points in longer conversations .