WhatsApp Number Checker: Verify Numbers Instantly Online
The most reliable WhatsApp number checker online for bulk validation. Import numbers from CSV, use our smart Phone Number Generator, and filter active WhatsApp accounts with 100% accuracy. Perfect for business communication and marketing campaigns - all with complete privacy and security.
Trusted by Businesses Worldwide
6,800+
Active Users
100%
Accuracy Rate
100%
Secure & Private
4.9/5
User Rating
Why Choose Our WhatsApp Number Checker?
Professional tools for efficient WhatsApp number validation and management
Bulk Import
Easily import numbers from CSV files or use our smart Phone Number Generator for bulk validation
High Speed
Advanced algorithms ensure fast processing of bulk WhatsApp number verification
100% Private
Your data stays private and secure. We never store or share your WhatsApp information
Export Results
Download validation results in CSV format for easy integration with your workflow
History Tracking
Access your complete checking history and results anytime you need them
Analytics
Get insights into your WhatsApp number validation results with detailed analytics
How Our WhatsApp Number Checker Works
Simple 3-step process to verify WhatsApp numbers
1. Install Extension
Add our WhatsApp Number Checker extension to Chrome or Edge browser in just one click
2. Import Numbers
Upload your numbers via CSV file or use our Phone Number Generator tool
3. Get Results
Instantly verify which numbers are active on WhatsApp and export results
Perfect for Every Business Need
Discover how our WhatsApp Number Checker helps different industries streamline their communication
E-commerce
Validate customer WhatsApp numbers before sending order updates and promotional messages. Improve delivery coordination and reduce failed notifications.
- Verify customer contact info
- Bulk validate marketing lists
- Improve delivery success rates
Digital Marketing
Clean and verify marketing contact lists before campaigns. Ensure high delivery rates and improve ROI on WhatsApp marketing campaigns.
- Clean contact databases
- Validate campaign lists
- Track campaign metrics
CRM & Sales
Keep your CRM data clean and up-to-date. Verify leads' WhatsApp numbers before assigning to sales teams for better conversion rates.
- Verify lead information
- Clean CRM databases
- Improve response rates
Customer Support
Ensure customer support teams have valid WhatsApp contacts. Improve first-response time and customer satisfaction rates.
- Validate support tickets
- Improve response time
- Track support metrics
HR & Recruitment
Verify candidate contact information efficiently. Ensure smooth communication during the recruitment process.
- Verify candidate contacts
- Improve interview scheduling
- Track recruitment progress
Education & Training
Maintain accurate student and participant contact lists. Ensure effective communication for online courses and training programs.
- Verify student contacts
- Manage class groups
- Track attendance
The Most Trusted WhatsApp Number Checker Online - Fast, Accurate, and Secure
Simple, Transparent Pricing
Choose the perfect plan for your needs. No hidden fees, cancel anytime.
Free Plan
Free
Forever free plan
- Check up to 10 numbers per day
- Basic speed number validation
- Import numbers from CSV files
- Basic Phone Number Generator
- Export results to CSV
- Standard customer support
- Basic Support
No credit card required
Popular
Pro Plan
$12.99
per month
- Unlimited number checks daily
- High-speed bulk validation
- Advanced CSV import/export
- Smart Phone Number Generator
- Real-time validation status
- Unlimited checking history
- Priority customer support
- Multiple format export (CSV, Excel)
- Premium Support
7 Days Money-back Guarantee
6,800 people have said how good Rareblocks
Our happy clients say about us
“This WhatsApp Number Checker has revolutionized our lead verification process. We used to spend hours manually checking numbers, but now we can validate 1000+ contacts in minutes with 100% accuracy. The bulk import feature and detailed analytics have saved our team countless hours.”
Sarah Johnson
Digital Marketing Manager at TechGrowth
“Best investment for my business! The ability to verify WhatsApp numbers before sending marketing campaigns has improved our engagement rates by 40%. The smart number generator and CSV export features are incredibly useful for managing customer databases.”
Carlos Rodriguez
E-commerce Business Owner
“After trying several WhatsApp number checkers, this is by far the most reliable. The real-time validation and unlimited checks in the Pro version are perfect for our large-scale operations. Customer support is also extremely responsive.”
Emily Chen
CRM Specialist at GlobalTech
“The accuracy of this tool is impressive. We've validated over 50,000 numbers with zero false positives. The advanced analytics help us track validation history and optimize our outreach campaigns. Definitely worth the Pro subscription!”
Mohammed Al-Sayed
Sales Director
“I love how user-friendly this tool is! The Chrome extension integrates seamlessly with WhatsApp Web, and the bulk validation feature is a huge time-saver. It's become an essential part of my social media management toolkit.”
Lisa Thompson
Social Media Consultant
“Started with the free plan and quickly upgraded to Pro. The unlimited checks and advanced features like custom validation rules and API access have helped us automate our entire customer verification process. Exceptional value for money!”
Alex Martinez
Startup Founder
Frequently Asked Questions
Where you can get questions to common questions about WhatsApp Number Checker
How does the WhatsApp Number Checker work?
Our WhatsApp number checker tool works by securely validating numbers through the WhatsApp API. After installing the extension, simply open web.whatsapp.com, scan to log in, and create a new checking task. You can bulk check WhatsApp numbers by importing them from a CSV file or using our number generator. The tool ensures 100% accuracy in identifying active WhatsApp accounts.
What makes this WhatsApp Number Checker better than others?
Our WhatsApp number checker stands out with its industry-leading features: 100% accuracy in validation, high-speed bulk processing, secure data handling, and user-friendly interface. We offer advanced features like CSV import/export, smart phone number generator, and detailed analytics. Plus, our tool is regularly updated to ensure compatibility with the latest WhatsApp changes.
Is it safe to use this WhatsApp Number Checker?
Yes, our tool is completely safe and secure. We use official WhatsApp API methods for validation, and your data is processed locally on your device. We never store your WhatsApp credentials or checked numbers on our servers. The extension follows all WhatsApp's terms of service and privacy guidelines.
What formats are supported for number import?
Our tool supports various number formats including international format (+1234567890), local format, and CSV files. The smart Phone Number Generator can also create number lists based on your specified country codes and patterns. All results can be exported in CSV or Excel format for easy integration with your workflow.
How many numbers can I check at once?
Free users can check up to 10 numbers per day, while Pro users get unlimited daily checks. The bulk validation process is optimized for speed and accuracy, allowing you to validate large lists of numbers efficiently. All checking progress is automatically saved to your history.
Do I need to keep WhatsApp Web open during checking?
Yes, you need to keep web.whatsapp.com open during the checking process. This ensures accurate validation results and complies with WhatsApp's security protocols. The extension will automatically manage the validation process while you can continue with other tasks.
How to restore my subscription?
Find your subscription order id in your payment email inbox. Go to Pro page, click the 'Change token' button, enter your email and order id then submit. If you need assistance, our support team is ready to help.
Can I upgrade from Free to Pro plan later?
Yes, you can upgrade to the Pro plan at any time. Your existing data and settings will be preserved, and you'll instantly get access to all premium features including unlimited checks, advanced analytics, and priority support.
How to cancel my subscription?
You can cancel your premium subscription at any time by clicking the PRO button and then clicking the CANCEL SUBSCRIPTION button. Your access will continue until the end of your billing period, and you can switch back to the free plan afterward.
Didn’t find the answer you are looking for? Contact our support
100% money back guarantee.
We know you're gonna love our professional services, but let us prove it. If our service hasn't exceeded your expectations after 7 days, you'll get a full refund. Simple as that.
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WhatsApp Number CheckerThe Most Trusted WhatsApp Number Checker Online - Fast, Accurate, and Secure
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