LocalTools
Privacy-first tools that work 100% on your machine.
LocalTools launched on May 9, 2026 with 2 votes, #6,288 of 20,538 launches that month.
What it does
Privacy-first toolbox for builders: LocalTools offers 40+ browser-based utilities — JSON/YAML/XML/TOML formatters, JWT debugger, PEM & PKI tools, HKDF/PBKDF2 playgrounds, AES-GCM, PDF merge/split, image optimizer, Markdown & regex studios, subnets, cron, QR — engineered so sensitive input stays client-side whenever possible instead of disappearing into black-box servers; free with no signup.
Free, fast, and 100% private utility tools that run entirely in your browser. Your data never leaves your device.
Free, fast, and 100% private tools that run entirely in your browser. No server, no tracking, no data leaks. Enable JavaScript for search and the full grid, or follow any link below. Free online JSON formatter and validator. Beautify, minify, and validate JSON data. 100% client-side processing - your data never leaves your browser. Convert between JSON and YAML in your browser with line/column errors. Data never leaves the device. Turn a JSON sample into TypeScript interfaces or type aliases in your browser. Data stays on the device. Remove whitespace from JSON and validate in one step—all in your browser. Focused workflow separate from prettifying. Run JSONPath queries on JSON in your…from localtools.work
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Privacy First Tools - Free and PrivateFeb 2026 · privacyfirst.tools · ▲10Free online tools for images, PDFs & more - 100% private
OpenToolBoxJan 2026 · opentoolbox.online · ▲6The privacy-first, all-in-one toolbox that runs in browser
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