Instant WebChat is a browser extension for Chrome that allows users to start chats on WhatsApp without the need to save phone numbers. Developed by Syncloud Softech, this free extension was initially created to increase the productivity of customer service teams, but it has proven to be useful for a wide range of organizations.

With Instant WebChat, users can easily initiate chats with unknown numbers without the hassle of saving them as contacts. This feature is particularly beneficial for customer service representatives who need to quickly respond to inquiries or provide support. Additionally, the extension allows users to start chats from anywhere by simply clicking on wa.me links.

Overall, Instant WebChat is a handy tool for anyone who frequently uses WhatsApp for communication. It streamlines the process of starting conversations with unknown numbers and eliminates the need to clutter your contact list with unnecessary entries. The extension is open source, and the code can be accessed on the developer's GitHub repository.