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DevTools.tools is a free, privacy-focused collection of 491+ in-browser developer tools with no ads or sign-up required. The catalog spans categories such as data processing, text & analysis, generators, design, color tools, and more, offering utilities from mock data generators to calculators and interactive visualizations that run entirely in the browser. Users can browse by category or search and export outputs (SVG, PNG, GeoJSON), with no software installation or sign-up needed.
AI named DevTools in September 2026.
AI cited devtools.tools in these answers, after github.com, llmreference.com, and whatllm.org.
devtools.tools 6%Other sites 94%
