Free Developer & Marketing Tools
Free WhatsApp Tools
No signup required. Generate links, QR codes, compare pricing, format phone numbers, and build message templates — all free.
WhatsApp Link Generator
Generate wa.me click-to-chat links with pre-filled messages. Get HTML button code and QR code instantly.
WhatsApp QR Code Generator
Create scannable QR codes that open a WhatsApp chat with your number and pre-filled message. Download as PNG.
WhatsApp API Pricing Calculator
Compare costs across WhatsApp API providers. Enter your monthly volume and see which option saves you the most.
Phone Number Formatter & Validator
Validate and format phone numbers to E.164 international standard. Detect country codes and WhatsApp compatibility.
WhatsApp Message Template Builder
Build professional WhatsApp message templates for OTP, order confirmations, reminders, and more. Copy to clipboard.
SMS vs WhatsApp ROI Calculator
Calculate how much you can save by switching from SMS to WhatsApp. Compare delivery rates, open rates, and total costs.
WhatsApp Text Formatter
Format message text with bold, italic, strikethrough, and monospace. Live preview shows exactly how it renders in a chat.
JSON String Escaper
Escape newlines, quotes, and special characters so message text drops straight into an API request body.
Webhook Payload Tester
Send a real sample event payload (message, message.ack, session.status) to your endpoint and see the response.
Webhook Signature Verifier
Verify or generate the X-Hub-Signature-256 HMAC header WhatsApp webhooks are signed with. Runs entirely in your browser.
Template Message Validator
Check a message template against Meta’s approval rules — character limits, variable numbering, category restrictions, and button limits — before you submit it.
Interactive Message Builder
Build reply-button and list messages visually and copy the ready-to-send Cloud API JSON — with limits validated as you type.
WhatsApp 24-Hour Session Window Calculator
Enter when a customer last messaged you and instantly see if the free-form messaging window is open, or if you need an approved template message.
Need to Automate These Workflows?
These tools work great for one-off tasks. If you need to send messages, generate QR codes, or validate numbers programmatically, try our WhatsApp REST API.
Try Free on RapidAPI →