Kjoumaa Free Online Tools
Professional calculators and converters built for real business, web development, SEO and engineering work.
Business, Engineering, SEO & Productivity Tools
Free professional calculators and utilities built for business owners, engineers, freelancers, marketers and daily work. Use practical tools designed with real logic, clean results, and professional workflows.
Support Independent Development
Support future development through Whish Money and help us continue building free tools for business, engineering, SEO and productivity.
Your daily work starts here.
Create, calculate, prepare and share professional business material without installing software.
One website for the small tasks you do every day.
Sales, office work, IT, engineering, web, finance and client documents — keep KJOUMAA open as your everyday professional toolbox.
37+
Professional Tools
100%
Free Access
24/7
Available Online
Pro
Real Practical Logic
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Quickly find the calculator or utility you need.
🔥 Most Popular Tools
Start with the tools most useful for business, productivity, web development and technical work.
SEO & Webmaster Tools
Professional SEO, Open Graph and security tools for website owners, developers, marketers and businesses.
Business & Professional Tools (High‑Intent)
These tools are designed for business owners and professionals. They usually attract higher‑value traffic and improve site RPM over time.
Business & Money Calculators
Tools for VAT, discounts, loans, profit margins and percentage calculations used daily in accounting and business.
Time & Daily Life Tools
Working hours, age, BMI and date tools useful for HR departments, employees and personal planning.
Converters & Utilities
Useful converters and generators for daily productivity, security and technical work.
Engineering Pro Suite
Professional engineering tools for HVAC, mechanical and electrical calculations used in real projects.
1,000 Votes = A Free Informative Website
Submit your business, organization or project. After approval, share your public KJOUMAA page and collect verified votes. Reach 1,000 valid votes to qualify for a professional informative website, domain and hosting for one year.
Need a Tool Built Around Your Workflow?
Request a custom calculator, converter, ERP module, dashboard, quotation system, engineering tool or business automation platform. Kjoumaa can build tools based on your workflow.
Why Kjoumaa Tools are Different
These tools are built using real engineering, accounting, SEO and business logic — not generic formulas. Designed for professionals who need fast, reliable results without complex software.