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ValidNum - Bulk WhatsApp Number Validator & Checker icon

ValidNum Chrome Extension Analysis

Social Media Growth & Marketing

Store listing title: ValidNum - Bulk WhatsApp Number Validator & Checker

Chrome extension ID: fndieihkohnbpclilindhpmbgmclackg

This extension automates the verification of phone numbers against active WhatsApp Web sessions to determine if they are registered users or business accounts. Users can import contact lists via file upload, verify them at varying speeds, and export the categorized results to CSV or Excel.

Developer:Devainer Extensions
Version:1.0.0
Size:847KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

0

Rating

★ —

0 reviews

Languages

58 locales

Includes Deutsch, English, English (Australia), English (United Kingdom)...

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

No review samples found

Macro category

Social Media Growth & Marketing

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

ValidNum positions itself as a privacy-focused, browser-local tool for sales and marketing teams to clean and qualify WhatsApp contact lists. It emphasizes safety through adjustable validation speeds and claims to protect accounts by avoiding external server data processing.

Inferred product pattern

Local-processing browser utility for social platform data verification.

Review-backed pain points

Review-backed data is not available.

Observed feature gaps

Review-backed data is not available.

Tags
WhatsAppLead GenerationContact VerificationData Cleaning
Target users

- Sales Teams

- Digital Marketers

- Business Owners

- Lead Generation Specialists

Primary use cases

- Bulk phone number validation

- Identifying WhatsApp Business profiles

- Cleaning marketing contact lists

- Exporting verified leads to Excel/CSV

Positive themes

No positive theme data.

Negative themes

No negative theme data.

Observed friction

- Review-backed data is not available.

Evidence boundary: Data is based on store listing descriptions and feature claims. No user reviews are available to corroborate performance or account safety claims. The lack of public reviews means user sentiment, reliability in practice, and real-world billing/pricing experiences cannot be verified.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

Review-backed data is not available.

Reliability

Review-backed data is not available.

Privacy

Review-backed data is not available.

Access & pricing

- No clear monetization signal

- Account required for core usage

- No clear pricing signal

Store listing facts

Listing assets

- Screenshots: 5

- Videos: 0

- Languages: 58

Trust signals

- Privacy policy

- Developer contact

- Official website

Store metadata

- Version: 1.0.0

- Size: 847KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

WhatsApp number validatorbulk WhatsApp checkerWhatsApp lead verificationWhatsApp contact cleaner

Comparison

ValidNum alternativesbest WhatsApp marketing tools

Problem

invalid WhatsApp numbersslow contact verification

Alternative

WhatsApp automation toolsbulk contact management

Similar extensions

Jump to related discovery paths:

More in workflowMore from this developer

Screenshots

ValidNum - Bulk WhatsApp Number Validator & Checker screenshot
ValidNum - Bulk WhatsApp Number Validator & Checker screenshot
ValidNum - Bulk WhatsApp Number Validator & Checker screenshot
ValidNum - Bulk WhatsApp Number Validator & Checker screenshot
ValidNum - Bulk WhatsApp Number Validator & Checker screenshot

Links

Website: devainer.com

Privacy policy: https://docs.google.com/document/d/1CPTVzYsBPBc3KxCvP4411o1dz8duIHbYuUeb0qJWWWU

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