Calculators and converters
Build custom calculators for finance, health, engineering, or education — plus unit and currency converters.
Tool
Create calculators, converters, generators, and everyday utility tools. Describe the tool — MeDo builds it as a working web app you can share instantly.
What you can build
MeDo lets you build single-purpose utility apps fast. Calculators, unit converters, password generators, QR code tools, countdown timers — describe the function and the AI generates a polished, deployable web app. Perfect for quick tools you wish existed.
Build custom calculators for finance, health, engineering, or education — plus unit and currency converters.
Create password generators, name generators, color palette tools, Lorem Ipsum generators, and more.
Build JSON formatters, regex testers, base64 encoders, diff viewers, and other developer utilities.
Create QR code generators, barcode scanners, and link shortener tools with copy-to-clipboard.
Build countdown timers, stopwatches, world clocks, and Pomodoro-style focus timers.
Create reusable checklists, form validators, and compliance verification tools for any workflow.
Prompt starters
How it works
Tell MeDo what tool app you want in plain language — features, audience, and how it should work.
MeDo generates screens, data models, and logic. Review the working app, then iterate through conversation or screenshots.
One click to deploy. Your app gets a shareable URL — no hosting setup, no config files, no maintenance.
FAQ
Yes. MeDo excels at building single-purpose tools like calculators, converters, generators, and formatters. Describe the tool's function and inputs, and MeDo generates a polished web app in minutes.
MeDo gives you 300 credits on signup and 100 free credits every day you log in. Most simple utility tools can be built within the free allowance. For more complex tools, paid plans start at $20/month for 2,000 credits.
Yes. Published MeDo apps get a shareable URL. Anyone can use your tool in their browser without downloading anything. Tools also appear in the MeDo app gallery.
Yes. MeDo generates full-stack apps with backend logic, so complex calculations, data validation, and algorithmic operations are all supported. The AI handles the implementation details.
Yes. JSON formatters, regex testers, encoders, diff viewers, and other developer utilities are well-suited for MeDo. Describe the tool's behavior and the AI builds it with proper input handling and output formatting.
Start free. No credit card, no commitment.