jsonedit.app - JSON Editor is a lightweight desktop tool for developers.

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JSON Editor is a lightweight desktop tool for working with JSON—no browser, no clutter. Paste raw JSON on the left and see a live interactive tree on the right. It features syntax highlighting for easy readability. Unlike web tools, it runs fully offline as a portable 8MB .exe—no install, no ads, no telemetry, and complete privacy.

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I was hunting for a simple JSON editor — nothing fancy, just something that works offline, looks good, and doesn't make me think. Every tool I found was either a web app with 47 features I didn't need, or a desktop app that felt like it was built in 2009. So I spent a weekend building exactly what I wanted. Turns out other people wanted the same thing.