Free Business Tools

Calculators, generators, and utilities to help your team work smarter. No signup required.

Converge Converge Team
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Calculators

Measure what matters with these free calculators.

NPS Calculator

Calculate your Net Promoter Score in seconds

Customer Lifetime Value Calculator

Find out how much each customer is really worth

Response Time Calculator

Calculate your average support response time

Support Cost Calculator

Calculate your cost per ticket and per agent

CSAT Calculator

Calculate your Customer Satisfaction Score

SLA Uptime Calculator

Calculate SLA uptime percentages and allowed downtime

Customer Effort Score Calculator

Measure how easy it is for customers to get help

First Response Time Calculator

Calculate your team's first reply speed from timestamps

Ticket Volume Forecaster

Forecast future support ticket volume from historical data

Support ROI Calculator

Calculate the return on investment of your support team

Churn Rate Calculator

Calculate your customer churn rate and revenue impact

Customer Retention Calculator

Calculate your retention rate and its impact on growth

Generators

Create professional assets in seconds.

Email Signature Generator

Create a professional HTML email signature in minutes

QR Code Generator

Generate QR codes for URLs, text, email, phone, and WiFi

Out of Office Message Generator

Generate professional OOO auto-replies in seconds

Business Name Generator

Generate creative business name ideas in seconds

Invoice Generator

Create professional invoices in minutes

Privacy Policy Generator

Generate a privacy policy for your website or app

Terms of Service Generator

Generate terms of service for your website or app

Password Generator

Generate strong, random passwords instantly

Word Counter

Count words, characters, sentences, and reading time

Color Palette Generator

Generate harmonious color palettes for your brand

Lorem Ipsum Generator

Generate placeholder text for designs and mockups

Timezone Converter

Convert times between any timezones instantly

JSON Formatter

Format, validate, and minify JSON data

UTM Link Builder

Build trackable URLs with UTM parameters

Color Contrast Checker

Check WCAG color contrast ratios for accessibility

Why Use These Tools?

100% Free

No signup, no credit card, no limits. Use as much as you want.

Privacy First

All calculations run in your browser. Your data never leaves your device.

No Ads

Clean, fast tools without popups, banners, or tracking scripts.

Frequently Asked Questions

Are these tools really free?
Yes, all tools are 100% free with no signup, no credit card, and no usage limits. We built them to help businesses work smarter.
Is my data safe when using these calculators?
Absolutely. All calculations run entirely in your browser using JavaScript. Your data never leaves your device or gets sent to any server.
What types of tools are available?
We offer two categories: Calculators for measuring business metrics like NPS, CSAT, churn rate, and customer lifetime value; and Generators for creating assets like email signatures, QR codes, privacy policies, and invoices.
Can I use these tools for my business?
Yes, these tools are designed for business use. Whether you're measuring customer satisfaction, calculating support costs, or generating professional documents, you can use them for any commercial purpose.

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