MDES Smart Tools Hub
Free Online Tools for AI, Business and Digital Growth
Create better content, calculate business results, improve your marketing and work smarter with practical online tools.
Featured tools
AI Prompt Generator
Turn a rough idea into a clear, structured prompt for ChatGPT, Gemini or Claude.
Open tool →Business CalculatorsProfit Calculator
Separate gross profit from estimated net profit using revenue, cost of goods and operating expenses.
Open tool →Business CalculatorsDiscount Calculator
See the sale price and how much a customer saves from a percentage discount.
Open tool →Writing & SEO ToolsWord Counter
Count words, sentences and paragraphs instantly as you type.
Open tool →Digital Marketing ToolsUTM Link Builder
Build correctly encoded UTM tracking links for campaigns in Google Analytics.
Open tool →More tools are being reviewed and will be released in batches.
Categories
How the tools work
- 1
Pick the tool that matches your task.
- 2
Fill in the fields — results appear instantly.
- 3
Copy, edit and use the result. Nothing is stored.
Writing generators use clearly defined templates, not live AI. Calculators show their formulas.
About MDES
MDES Smart Tools Hub is a project of Magehema Digital Entrepreneurship System (MDES). We build simple, free tools for entrepreneurs, creators and learners in Tanzania, across Africa and beyond.
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