Free tools
Small tools that answer one question
Free, in your browser, no sign-up. Built by TinyBuild, the team that turns software and hardware ideas into working demos in about 3 days.
Data · Small business
Free CSV sales dashboard
Drop in a sales export and see revenue trends, top products and channels, compared with the previous period.
- Reads Shopify, WooCommerce, Etsy, Stripe, Square and spreadsheet exports
- Columns detected automatically, or matched by hand
- Your file never leaves the browser
ESP32 battery life calculator
Estimate how long an ESP32 or ESP32-C3 runs on a battery when it wakes, sends data and goes back to deep sleep.
- Presets for Wi-Fi, BLE, dev boards and common batteries
- Shows where the charge goes and what changes help most
- Shareable link for every result
Need something these tools can't do, such as a live dashboard on your own data or a battery-powered device that has to last a year? See our working demos or tell us your idea. Free assessment and a fixed quote.