Discover practical business calculators, document generators and productivity tools built to make everyday work easier. Whether you run a business, manage projects or work online, explore tools that help you get things done.
Tools dashboard
Your productivity starting point
03
Available tools
08
Planned tools
Website Cost Calculator
Business
Invoice, Quotation & Receipt Generator
Business
Profit Margin & Markup Calculator
Finance
More useful tools are planned for this directory.
Start using our tools
Choose a tool below to get started. Each tool is designed to help you complete a specific task without unnecessary complexity.
Business
Estimate the cost of developing a professional website based on its type, features, functionality and project requirements.
Business
Create professional business invoices, quotations and receipts. Customize your documents, then download or print them.
Finance
Calculate selling prices, profit, profit margins and markups to help you understand your business pricing.
Explore by category
The LonaDev tools directory is organized around practical tasks and common needs across business, finance, education and digital work.
Practical tools for business owners, entrepreneurs and organizations.
Understand costs, pricing, margins and other financial calculations.
Useful calculators and resources for students and learners.
Resources for website owners, developers and digital marketers.
Tools designed to make everyday digital tasks easier.
Growing collection
We are planning additional tools for business owners, students, website owners and professionals. These entries represent planned tools, not currently available features.
Estimate the initial costs of starting and setting up a business.
Business
Calculate the sales volume required to cover your business costs.
Finance
Calculate stock values, inventory quantities and stock movement.
Business
Calculate grade point averages using your course grades and credits.
Education
Explore a calculator for estimating university course cluster points.
Education
Prepare useful title tags, descriptions and social sharing metadata.
SEO
Optimize image sizes for websites and digital publishing.
Productivity
Explore tools for common PDF document management tasks.
Productivity
Why use LonaDev tools?
We aim to make practical digital resources accessible and easy to use. Our tools focus on common tasks that can help people work more efficiently.
Access the available tools without needing to purchase a subscription.
Use tools designed around common business and everyday tasks.
Work with straightforward interfaces designed to make tasks easier.
Use the tools from supported desktop, tablet and mobile browsers.
Beyond ready-made tools
LonaDev develops custom websites, web applications, business systems, mobile applications and software solutions. Tell us what you need and we can help you plan a suitable solution.
Discuss your projectFrequently asked questions
Find answers to common questions about using the LonaDev tools directory.
The tools listed as available in the LonaDev tools directory are provided for free use. Individual tools may have their own usage limitations or requirements.
You can open the available tools directly from the directory. Whether an individual tool requires an account depends on that tool's functionality.
The tools directory is designed to work across desktop, tablet and mobile screen sizes. Individual tools should also be used with a supported modern browser.
The Invoice, Quotation and Receipt Generator supports document downloading and printing. Available export options are provided within the individual tool.
No. Calculators provide estimates based on the information entered. Verify important financial, tax, legal or business decisions with an appropriately qualified professional.
Yes. LonaDev provides software development services and can help businesses plan and develop custom web applications, calculators, automation systems and digital platforms.
Let us know what would make your work easier. We are interested in developing practical digital solutions for businesses, organizations and individuals.