Tools

Numsift — Bulk WhatsApp Number Checker & Validator | Export to Excel

Bulk check which numbers are on WhatsApp. Validate lists, filter by country, spot business accounts, export to Excel or CSV.

Time on the storeUnder 6 monthsA rough range, not an exact date

Store users228As shown on the Chrome Web Store

Chrome Web Store rating5.0 / 56 ratings on the Chrome Web Store

Last store updateNever updatedVersion 0.1.0

Inside the extension

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Yasin Muratogullari2 months ago
I had a list of around 8,000 numbers and this saved me a lot of time. The checking process was smooth and the export worked exactly as expected. Worth trying if you work with WhatsApp marketing.
Erdem Düzlüce2 months ago
Been using it for a few days now. It's simple, fast, and does what it says. I like that I don't have to check numbers one by one anymore.
Yasin Muratoğulları2 months ago
I tested a few similar extensions before, but this one feels much more responsive. The interface is clean and I didn't run into any issues while verifying my contacts.
Osman Muratoğulları2 months ago
Nice tool. Imported my CSV, checked the numbers, and exported the valid ones without any hassle. It saved me hours of manual work.
Kara Kedi2 months ago
I wasn't expecting much at first, but it actually works really well. The bulk checker is quick and the results were accurate based on the numbers I tested. Great job!
NMO ELEKTRİK2 months ago
I've been using this for my client lists and it's been reliable so far. It processes large batches without slowing down, and the results are easy to export. Definitely a useful extension if you manage a lot of WhatsApp contacts.