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Dev tools · November 6, 2025

PJSON.live

Format, validate & convert json to typescript instantly

PJSON.live launched on November 6, 2025 with 15 votes, #727 of 9,796 launches that month and more than 75% of that year's launches.

Visit pjson.live ↗PJSON.live alternativestop 7% of November 2025

What it does

pjson.live makes working with JSON fast, smooth, and actually enjoyable. It runs 100% on your device, so your data never leaves the browser. Instantly visualize complex JSON, collapse objects, generate TypeScript interfaces, and copy paths in one click. No sign-up, no lag, no nonsense - just a clean, secure, developer-grade experience built for speed and flow.

Easiest way to debug JSON online. Format, validate and Convert JSON to TypeScript interfaces. Preview structured data in a modern, minimal UI that feels built for real developers.

Does a similar job

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  • fastgron: A JSON to GRON Converter That's 40 Times Faster Than Gron2023 · github.com · ▲23

    Hello HN! I want to introduce fastgron, my new project. fastgron is a JSON to GRON converter, built to be incredibly fast – it's 40 times faster than Gron. GRON is a tool for making JSON greppable, but it can slow down with larger files. With fastgron, even a 200MB JSON file can be converted in just 1 second. Key features include streaming conversion for memory efficiency and an optimized path reconstruction for faster operations. It leverages C++ and the simdjson and fast_io libraries for speed. I welcome all feedback, suggestions, or questions. Thank you!

  • JSONBason2025 · jsonbason.com · ▲15

    I've been at it again, just sharing my simple JSON data inspection tool, love webdev and single page apps, this one took 4 days and was a lot of fun. The code is not obfuscated so you can inspect it and see how it works (very simple, server side is even more simple) Pretty much just do a POST of your JSON data from within your code and it will convert it into a basic table for instant search and sort. Made with love for the fun of it, no ads, no paid anything, it's totally free. Please only send in sanitized/test data only, this is meant to help make webdev a bit easier and more fun.…

  • Instant JSON-to-TS ConverterApr 2026 · json-to-ts-converter.pages.dev

    Instant JSON to TypeScript. 100% Local & Private.

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