DiffWeb

Article · 2 min read

How to make a private group chat without sharing phone numbers

Group chats often expose everyone's phone number to everyone else. Here is how to run a private group for friends, family or a class without that.

DiffWeb TeamPrivacy and safety

A circle of six masked members around a padlock, showing a private group of up to 20 members that people join by invite link only

In most group chat apps, joining a group means everyone in it can see your phone number. In a class group, a hobby group or a group of friends of friends, that is a lot of people with your number.

There is another way to do it.

What to look for in a private group

  • No phone numbers or real names shown to other members.
  • Invite only: people join through a private link, not by being found in a search.
  • End-to-end encryption, so only members can read what is posted.
  • Control over who is in it: removing someone should take one tap.

Option 1: a small group chat

For up to 5 people, a Saved Room works like a normal group chat. Everyone signs up with just a username, and messages stay until you delete them.

For a one-off conversation, a temporary room needs no accounts at all and deletes itself when time runs out.

Option 2: a private circle for a bigger group

A Private Circle is a private feed for up to 20 people, such as close friends, family or classmates. Members can:

  • post photos and updates, and comment,
  • vote in polls and plan meetups,
  • post anonymously, so members see "Anonymous member" instead of a name, even the owner,
  • seal a time capsule post that only opens on a date you choose.

Everything posted is end-to-end encrypted, and there are no public profiles or followers.

How to set it up

  1. Create a free account with just a username and a password.
  2. Create a room or a circle and give it a name.
  3. Share its private invite link with the people you want, and nobody else.
  4. Remove anyone at any time, or replace the invite link if it was shared too widely.

A tip for groups

Agree on a few simple rules early: no screenshots of other people's posts outside the group, and no adding people without asking. Privacy in a group depends on everyone in it.

Your chat. Your rules.

Start a private room in one click, or create a free account with just a username.