Free bulk WhatsApp number checker| WA-Filter

WA-FILTER Verify WhatsApp Numbers. Before You Message.

What is WA Filter? WA Filter is a WhatsApp number verification tool that checks which numbers are active on WhatsApp before messaging.

How to Use WA Filter? Upload numbers via CSV or paste manually Instantly filter valid & invalid WhatsApp users Export clean lists for campaigns or CRM

Key Features Bulk WhatsApp number verification Instant filtering & result reports Multi-country number support

What Makes WA Filter Stand Out? Prevents wasted messages & blocked outreach Improves deliverability & response rates Fully compliant with WhatsApp usage rules