ToolsLab is described as 'All-in-one developer toolbox with 25+ tools: JSON/CSV converters, encoders, generators & more. 100% free, no signup, no ads. Everything runs in your browser for complete privacy' and is an website in the development category. There are more than 10 alternatives to ToolsLab, not only websites but also apps for SaaS, Mac, Windows and Linux. The best ToolsLab alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to ToolsLab are JSON Sage, DevHub App, JSONFormatter.org and JSONConsole.com.
DataLensia is a privacy-first, browser-based data toolkit that lets you visualize CSV datasets and work with JSON/NDJSON using tools like a JSON comparator, schema generator, editor, and converter — all processed locally.
