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JSON formatter and validator

A developer utility that points to the exact line of a syntax error and lets you browse large documents comfortably.

Web appStarter
Use this template

Free to sign up. You approve the plan before anything is built.

JSON formatter and validator: the Pretty-printed · 2 spaces screen

How it works

  1. JSON formatter and validator: the Pretty-printed · 2 spaces screen

    Step 1 · Pretty-printed · 2 spaces

    Pretty-print and minify

  2. JSON formatter and validator: the 1 error found screen

    Step 2 · 1 error found

    Clear error messages with line and column

  3. JSON formatter and validator: the Tree view screen

    Step 3 · Tree view

    Collapsible tree view with search

  4. JSON formatter and validator: the Tree view screen

    Step 4 · Tree view

    Sort keys and convert to CSV

  5. JSON formatter and validator: the Pretty-printed · 2 spaces screen

    Step 5 · Pretty-printed · 2 spaces

    Everything runs locally in the browser

Start in three steps

  1. Step 1

    Start from this template

    Sign up free and open the template in the studio. Change the description to fit your idea if you like.

  2. Step 2

    Approve the plan

    The agent shows you what it will build: screens, data and features. Nothing is built until you agree.

  3. Step 3

    Test and publish

    The app is built, tested in a real browser and ready to publish on your own address.

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