---
title: "Free Tools - WhatsApp Business Resources"
description: "Free online tools for WhatsApp Business users: link generator, QR code creator, cost calculator, and more."
url: https://whats91.com/tools
lastModified: 2026-05-27T14:28:56.066Z
keywords: ["WhatsApp Tools", "Free Tools", "QR Code Generator", "Link Generator", "Cost Calculator"]

---

# Free Tools - WhatsApp Business Resources

> Free online tools for WhatsApp Business users: link generator, QR code creator, cost calculator, and more.

**Source**: [https://whats91.com/tools](https://whats91.com/tools)

---


## Available Tools

### WhatsApp Link Generator
Generate wa.me links with pre-filled messages for easy customer communication.

### QR Code Generator
Create QR codes for:
- URLs
- vCards
- WiFi credentials
- Email
- Phone numbers
- Plain text

### WhatsApp API Cost Calculator
Calculate messaging costs by:
- Country (20+ countries supported)
- Message category (Marketing, Utility, Authentication, Service)
- Volume (discount tiers available)

### GST Calculator
Calculate Indian GST with CGST, SGST, and IGST breakdown.

### SIP Calculator
Plan investments with systematic investment plan returns calculator.

### Image Compressor
Client-side image optimization without uploading to servers.

### SEO Score Checker
Analyze webpage SEO performance with actionable recommendations.

### Case Converter
Transform text between different cases: upper, lower, title, sentence.

## Features

- 100% client-side processing (privacy-focused)
- No data stored on servers
- Mobile-responsive design
- Free to use