How much can WhatsApp's last seen time tell you? Learn how to accurately identify active users.

The multi-platform account batch export function supports unified management of Telegram, WhatsApp, LinkedIn, and Facebook, enabling rapid implementation of marketing tasks. The system screens potential customers based on multiple dimensions, including age, gender, frequency of interaction, and online time, ensuring accurate social media promotions and high conversion rates.

The cloud control system automatically removes abnormal and low-activity accounts, providing a reliable foundation for marketing data and improving advertising precision. The system combines interaction and online screening to quickly identify high-value customers, improving social media operations and user engagement.The batch export function facilitates multi-platform account management, enabling unified operation of Telegram, WhatsApp, LinkedIn, and Facebook accounts.

The cloud control platform uses profile pictures and nicknames to filter potential users, quickly targeting highly active customers and improving ad targeting accuracy.The system combines age and gender screening with online time analysis to enable social media operators to quickly target core customer groups and increase conversion rates.The flexible combination of self-screening and proxy screening meets the account screening needs of different business scenarios and improves team efficiency.

The system's startup and online screening functions provide real-time insights into the activity patterns of potential customers, improving ad targeting accuracy.The cloud control platform generates mobile phone numbers for India, Japan, Mexico, and the United States and combines them with activity screening to achieve targeted cross-border marketing.

The batch removal of unused and low-activity accounts ensures clear and reliable marketing data, improving ad reach and conversion rates.

The system filters potential users by interaction frequency, achieving targeted social media marketing and increasing user retention and engagement. The cloud control platform centrally manages accounts across multiple platforms, allowing easy access to Telegram, WhatsApp, LinkedIn, and Facebook, enabling efficient promotion execution.I went through a lot of detours because I neglected WhatsApp number filtering: from incorrect number formats to inefficient manual verification, until I discovered the ITG global filtering tool, which truly unlocked the secret to efficient number filtering.

From format misjudgment to the inefficiency of manual verification, and then to the intelligent leap of ITG's full-domain filtering, my WhatsApp number filtering journey has made me deeply aware of its value.With its advanced algorithms and massive data processing capabilities, WhatsApp number screening can not only efficiently verify number activity but also significantly improve marketing conversion rates.

In the digital marketing arena of 2025, Telegram's number-checking system has become an essential tool for precision marketing, especially when combined with WhatsApp's number-checking technology, which can maximize cross-platform customer reach.Telegram's number filtering system not only efficiently filters invalid numbers, but also uses big data analysis to identify active users, helping marketers avoid wasting resources.