Free tools for WhatsApp Business
A link generator with message and QR code, and more utilities for businesses that serve customers on WhatsApp. No sign-up, no card.
What these tools are for
These are the free tools from Hellou AI for businesses that serve customers on WhatsApp. They run in your browser, ask for no sign-up or card, and solve one concrete task in a few minutes: build a link, print a QR code or run a number.
They cover jobs almost every business on WhatsApp ends up needing: putting a WhatsApp button in an Instagram bio or a Google listing, printing a QR code for the shop or the packaging, or understanding what messages cost. Under each tool you will find an explanation based on the WhatsApp and Meta help centers, so you know what you are publishing and why it works.
When a single phone is no longer enough because more than one person answers the same number, HellouOne puts your team and AI agents on that same WhatsApp number. See how it works in the WhatsApp team inbox guide and the WhatsApp AI agent guide.
Available tools
WhatsApp link generator
Build a wa.me link with your number and a pre-filled message, formatted for each Latin American country, and download the QR code as PNG or SVG.
Use the tool →Can I call now? Colombia calling hours (Law 2300)
Check in Colombian time whether you can call for collections, sales or advertising, with the 2026 and 2027 public holidays and the next allowed window.
Check the hours →WhatsApp pricing calculator
Estimate your monthly WhatsApp Business API cost with Meta's official rates: pick the country, the currency (USD, COP or MXN) and your marketing, utility, authentication and service messages.
Open the calculator →When one phone is not enough, use HellouOne
One WhatsApp number, your whole team and AI agents that answer first. Free for 7 days, no card.
