
How to Underline in WhatsApp: 3 Methods That Work (2026)

Learn how to create a WhatsApp group link, share it via QR code, enable join approvals, and reset a link. Complete guide for Android, iPhone, and Web.

Arjun Mehta
Content Strategist at Roklo
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Overview: A WhatsApp group link is a shareable invite URL that lets anyone join your WhatsApp group with a single tap, no manual adding, no contact saving required. Group admins can generate the link in seconds, share it on websites, social media, or QR codes, and control it by enabling join approval or resetting it when needed. This guide covers every aspect of the WhatsApp group link: creating it on Android, iPhone, and WhatsApp Web; sharing it; generating a QR code; enabling member approval; and fixing it when it stops working.
For businesses sending the group link to a full contact list as part of a campaign, a WhatsApp bulk message sender free tool handles those outbound sends from a browser without API approval.
A WhatsApp group link is a unique invite URL in the format https://chat.whatsapp.com/[unique-code]. Anyone who clicks this link can join the group instantly, without being saved in the admin's contacts and without the admin manually adding them.
Only group admins can generate and manage the invite link. The link is specific to your group and works on any device where WhatsApp is installed. It can also be converted to a QR code for printed or visual use.
| Feature | Details |
Group size limit | Up to 1,024 members per group |
Who can create the link | Group admins only |
Who can join via link | Anyone with the link (optionally subject to admin approval) |
Link format | https://chat.whatsapp.com/[unique-code] |
Expiry | No automatic expiry, active until an admin resets it |
Forwarding | The link can be forwarded by anyone who receives it |
For businesses managing multiple groups or large communities, WhatsApp Communities vs Groups for business covers how to organize groups under a WhatsApp Community structure with a shared invite system, a useful alternative when one group is not enough.
You must be an admin of the group to generate the invite link. If the group does not exist yet, create it first and add at least one member.
Admin check: If you do not see the "Invite to Group via Link" option, you are not an admin of that group. Ask the current admin to generate the link or promote you to admin first.
Also Read: How to Underline in WhatsApp: 3 Methods That Work (2026)
WhatsApp automatically generates a QR code alongside the invite link. The QR code is especially useful for physical materials, receipts, menus, banners, business cards, or event signage.
When someone scans the QR code with their phone camera (WhatsApp or standard camera app), it opens the group invite directly. No typing required.
When someone receives or finds your group invite link, here is what they experience:
Note: The recipient sees the group name and current member count before joining. This is why a clear, professional group name and description matters, it is the first impression that determines whether someone joins or closes the screen.
Also Read: How to Link WhatsApp to Another Phone: Companion Mode (2026)
By default, clicking a group invite link adds the person to the group immediately. If you want to screen who joins, WhatsApp allows you to require admin approval for all link-based join requests.
When to use approval: Approval mode is useful when you share the link publicly (on a website or social media) and want to prevent unwanted members from joining. It adds a step but gives you full control over who enters the group. For closed groups like client communities, paid course cohorts, or internal teams, approval mode is the right default.
If your group link was shared too widely, posted in the wrong place, or you want to prevent any new people from using it, you can reset the link. Resetting creates a completely new link and immediately invalidates the old one.
Important: Anyone who already clicked the old link and joined remains in the group. Resetting the link does not remove existing members, it only prevents new members from joining via the old link. If you want to remove specific members who joined unexpectedly, do that manually from the member list.
Also Read: How to Enable Voice Typing in WhatsApp: Android and iPhone
The group link is only as effective as the channels through which you share it. Here are the highest-performing placements:
Channel | How to Use It | Best For |
Website / landing page | Add a "Join our WhatsApp Group" button linking to the group link | Best for capturing visitors who are already interested in your business |
Instagram / Facebook bio | Place the link in your profile bio or link-in-bio tool | Reaches followers who are already engaged with your brand |
Email newsletter | Add a CTA button in your next email: "Join our WhatsApp community" | High-intent audience who already trusts you enough to be on your list |
WhatsApp broadcast | Send the group link directly to your existing contact list | Fastest way to grow group from contacts who already know your number |
Post-purchase page | Show the link on order confirmation or thank-you page | Captures customers at peak satisfaction, most likely to join |
QR code (offline) | Print the QR code on receipts, menus, business cards, store signage | Converts in-person customers to digital community members |
Stories (Instagram/WhatsApp Status) | Share the link in a 24-hour story with a clear CTA | Captures the already-active portion of your audience |
After new members join via your link, engaging them quickly prevents the early drop-off that affects most new group members. How to tag everyone in a WhatsApp group covers how to send a targeted announcement to all group members when you have important updates, particularly useful for welcoming new members who joined in bulk after a campaign.
Also Read: How to Get Proxy for WhatsApp: Android and iPhone (2026)
Set a clear group name and description before sharing the link: New members see both before joining. "Acme VIP Deals" is clearer than "Group 1." The description should state the purpose, posting frequency, and what members get.
Only share the link with your target audience: A group link shared publicly on a forum or directory may attract members who are not your intended audience. This leads to spam, reports, and a lower-quality community. Target your sharing to places where your actual customers or members are active.
Set the group to "Admins can only send messages" if running an announcement group: If the group's purpose is to send you updates to members (not two-way discussion), limit posting to admins only. Go to Group Info > Group Permissions > Send Messages > Admins Only. Members can still join via the link and receive your messages without being able to flood the group with replies.
Reset the link after a campaign ends: If you promoted the link during a time-limited campaign (flash sale, event, launch), reset it once the campaign is over. This prevents people from joining weeks later based on outdated promotional content.
Monitor and moderate member activity: Members joining via link did not receive a personal invitation. Some may not understand the group rules. Pin a welcome message with the group rules as soon as you create it, and remove members who violate those rules promptly.
Appoint co-admins for large groups: A group approaching 500 or 1,024 members requires active moderation. Add trusted members as co-admins so they can approve join requests, remove spam, and keep the group active when you are unavailable.
Link says "This invite link is no longer valid": The link was reset by a group admin, or WhatsApp invalidated it. The person who shared the link needs to go back to Group Info and generate a new one.
Link says "Group is full": The group has reached its 1,024-member limit. The admin must remove inactive members before new people can join via the link, or create a second group for overflow members.
Link opens WhatsApp but does not show a Join button: The user may already be a member of the group, or their WhatsApp app version is outdated. Ask them to update WhatsApp from the Play Store or App Store and try the link again.
QR code scan does not open WhatsApp: The camera may not recognize the QR code as a WhatsApp link. Try scanning with the WhatsApp camera directly (WhatsApp > New Chat > QR Code icon) instead of the phone's standard camera. Also ensure the QR code image is clear and not pixelated or distorted when printed.
Cannot find the "Invite to Group via Link" option: You are not a group admin. Only admins can access this option. Ask a current admin to generate and share the link with you, or request admin access.
A WhatsApp group link takes under 30 seconds to create and turns your group into an open, shareable community that anyone can join with a single tap. Generate it from Group Info on Android, iPhone, or WhatsApp Web, choose between instant joining or admin approval based on your audience, and share it wherever your target members are most active.
Reset the link when a campaign ends or if it was shared in the wrong place. Use the QR code for any physical materials. Enable approval mode when you need control over who enters. And monitor the group actively, a well-managed group with a clear purpose retains members far better than one that goes quiet after the initial join.
For businesses sending the group invite link to a full contact list in one go, Roklo is a free bulk message sender that handles how to send bulk WhatsApp messages from a browser, no API required, no saved contacts needed, no per-message charge.
Also Read: WhatsApp Marketing Strategies: 10 Proven Tactics for 2026

Content Strategist at Roklo
Arjun is a content strategist with a passion for demystifying technology and helping businesses grow with smart digital solutions. At Roklo, he crafts in-depth guides, tutorials, and industry insights to empower readers and drive meaningful results. With a background in digital marketing and years of experience in content creation, Arjun specializes in SEO, branding, and SaaS. He believes in clear communication, practical advice, and staying ahead of the curve.