Send any file, in bulk
Text, images, video, PDFs and documents. Send your catalogue and price list in the format you already have.
WhatsApp marketing software for Windows
Import any number list, keep only the numbers that are on WhatsApp, and send text, images, video and documents in bulk, with auto replies built in.
How it works
Find numbers, clean them, then message only the ones that can receive WhatsApp.
Install it on your Windows PC and open it. No login required.
Scan the QR code in the WhatsApp Web section, just like WhatsApp Web.
Upload a list of numbers, write your message and press send.
See it in action
Scan the QR code, import your list, press send. That is the whole setup.
No per-message fees
API providers pay Meta for each marketing message and pass the cost on. Whappext connects to your WhatsApp with a QR code, so sending costs nothing beyond your one-time license.
Your customers are in
WhatsApp Business API
$118/ month in Meta fees
About $1,416 a year, before the provider’s own fees
Whappext
$0/ month in message fees
Send as many campaigns as you like with your one-time license.
Business API figures use approximate 2026 Meta rates for marketing messages. Rates differ by country and change over time, and API providers add their own fees.
Personalized messages
Pull names and details from your list straight into the text. Customers reply to messages that know who they are.
WhatsApp Filter
Upload any list and the filter separates active and non-active WhatsApp numbers. Export the active ones and send only to people who can read your message.
Features
Sending, auto replies, reports and lead tools in one Windows app.
Text, images, video, PDFs and documents. Send your catalogue and price list in the format you already have.
Set predefined answers to common questions, and the software replies for you.
See exactly how every campaign performed.
Extract the members of groups you have joined and use them as your list.
No borders. Send to customers anywhere WhatsApp works.
You never share your database with us. We never see or sell your data.
Worldwide
No matter where you are, our software has no location restrictions. Install it anywhere and send to any country.
Our software
WhatsApp Marketing and WhatsApp Filter lead the toolkit, with more lead and marketing software alongside. Every license is a one-time payment.








Our clients
Businesses around the world use Whappext to stay in touch with their customers on WhatsApp.
Recognised by software review sites

After you buy
Whichever package you buy, our team is there when you need help.
Lost your license or reinstalled Windows? You get a new one free.
New features and fixes as WhatsApp changes, included with your license.
Training videos and a WhatsApp marketing guide with an anti-ban solution.
Questions
Still unsure? Email info@whappext.com and we will help you choose.
No. You only buy the license. There is no extra cost or hidden charge for each message you send.
Windows 7 and later. The PC also needs Microsoft .NET Framework 4.5 installed.
The download link appears right after payment. Install the software, copy the Hardware ID it shows, and send it with the activation form. Activation can take up to 12 hours.
No. Upload a .csv or .txt file, or paste the numbers into the software, and send straight away.
Sending too many messages too fast can get any number blocked. Every license includes our guide book and anti-ban solution so you know how to send safely.
Buy the Multiple PCs license with the key generator. It creates unlimited licenses that you can sell at your own price.
Install on Windows, pair your phone, import a list and press send.