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jsontoall.tools

Launching today

JSON to 20+ formats, 100% in your browser, zero upload

1 follower

JSON to 20+ formats, 100% in your browser, zero upload

1 follower

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Free browser-based JSON tools for developers. Convert JSON to YAML, CSV, TypeScript, XML, TOML, C#, Python, Go, and more. Format, validate, diff, and generate mock APIs — no signup, no server uploads.

Free

Launch tags:Developer Tools

Launch Team

LenzIndependent, multi-model fact-checking API for AI workflows

Promoted

Maker

📌

I built JSONToAll because I kept bouncing between five different tabs every time I needed to convert JSON to YAML, generate a TypeScript interface, or check a diff — and half of those tools quietly uploaded my data to a server I didn't trust. JSONToAll is a free, browser-based toolkit with 20+ JSON tools: convert to YAML, CSV, XML, TypeScript, Python, Go, C#, Java, Kotlin, Swift, Dart, and more. Plus a formatter, validator, diff checker, and a mock API generator. Everything runs client-side — your JSON never touches a server. No signup, no limits, no premium tier. Built it for my own workflow as a frontend engineer and kept adding tools as I needed them. Would love feedback on what format or tool to add next.

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1d ago