WhatsApp contact list cleaner
Fix phone numbers in your CSV, add country codes and remove duplicates. Get a clean list ready for WhatsApp. Runs in your browser, nothing is uploaded.
1. Add your contacts
Everything runs in your browser. Your file is not uploaded anywhere.
Export from Excel or Google Sheets as CSV.
One per line. Columns can be separated by commas or tabs.
Added to numbers that don't have one.
Add a file or paste contacts first.
Do more with Wylto
Related Wylto features
WhatsApp broadcasts
Send offers and updates to customer segments with delivery and read reports.
Learn more →
Shared inbox and CRM
Every WhatsApp chat in one team inbox, with tags, lead stages and round robin.
Learn more →
WhatsApp Business API
Connect your number to the official API in minutes and send at scale.
Learn more →
FAQs
More free tools
WhatsApp Chat Widget
Add a WhatsApp chat button to your website.
WhatsApp Link & QR Code Generator
Make a wa.me click-to-chat link and QR code with a pre-filled message.
WhatsApp Text Formatter
Bold, italic, strikethrough and lists, with a live WhatsApp preview.
WhatsApp Green Tick Checker
See how likely you are to get the verified badge, and what to fix.
WhatsApp Chat Mockup Generator
Design an iPhone or Android WhatsApp chat screenshot for ads and demos.
WhatsApp Message Library
Ready-to-use business messages for orders, offers, festivals and follow-ups.
Clean list ready? Send your first WhatsApp broadcast.
Import the cleaned list into Wylto's CRM and send WhatsApp broadcasts with delivery and read reports.
Sign up free10x
Higher open rates than email
72h
Free messaging window
2.7B
WhatsApp users globally
