Simple, practical tools designed to make your life easier. All free to use, no signup required.
Sample Ratio Mismatch Checker for A/B testing. Verify if your test groups are properly balanced using chi-squared statistical analysis.
Perfect for data scientists and product managers running experiments.
Use ToolGenerate QR codes instantly for any text, URL, or data. Choose your size and download the result.
Great for sharing links, contact info, WiFi passwords, and more.
Use ToolConvert any image format to JPEG instantly. Supports WebP, AVIF, PNG, TIFF, and more with adjustable quality settings.
Perfect for optimizing images for web, email, or reducing file sizes.
Use ToolResize or crop images visually with an interactive interface. Choose your dimensions, select crop areas, and download in multiple formats.
Perfect for preparing images for social media, websites, or custom dimensions.
Use ToolTransform basic prompts into optimized, high-quality prompts for any AI model. Supports Claude, ChatGPT, DALL-E, Gemini, and more with one-click copy.
Perfect for getting better results from AI tools with enhanced prompt engineering.
Use ToolOefen je vermenigvuldiging met een leuk spel! Verdien punten en unlock awards door zoveel mogelijk tafelsommen correct op te lossen binnen de tijd.
Perfect voor kinderen en volwassenen die hun rekenvaardigheden willen verbeteren.
Speel NuGebruik artificial intelligence om unieke bierrecepten te genereren. Kies je bierstijl, batch grootte en voorkeuren, en genereer een AI prompt voor het perfecte brouwrecept.
Perfect voor thuisbrouwers die AI willen gebruiken voor receptontwikkeling.
Genereer ReceptI'm constantly building new tools to solve everyday problems. Check back regularly for updates!
Have a suggestion? Let me know what tools you'd find useful.
Learn MoreEvery tool here is created with a simple philosophy: Make it useful, make it simple, make it free. No complicated interfaces, no hidden fees, no data collection. Just straightforward tools that solve real problems.
These tools are built as part of my journey in exploring technology and AI. Each one represents a learning experience and a solution to a problem I've encountered or seen others face.