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Dev tools · January 23, 2026

JSON Data Manager

Stop editing raw JSON. Manage data through a structured UI.

What it does

The Problem: Editing complex JSON data manually is a recipe for disaster. One missing comma or a mismatched bracket can break your entire production build. For developers managing large config files or product catalogs, raw text editing isn't just slow—it's risky. The Solution: JSONdata.net turns your JSON schemas into a high-performance, structured data entry dashboard. It bridges the gap between raw code and a clean, validated UI.

Does a similar job

all alternatives →
  • Visual JSON EditorNov 2025 · visualjsoneditor.com · ▲8

    Free, visual JSON editor - Validation, Type Support etc

  • OJ
    Online JSON Browser, Editor2022 · jsonhero.io · ▲20
  • Advanced JSON Formatter2025 · ▲11

    Efficient JSON editing with one-click formatting & search

  • Data2Json2024 · ▲4

    API for Developers – Transform Raw Data into Structured JSON

  • IM
    I made a tool which fixes broken JSONs2024 · prakhar897.github.io · ▲29
  • ST
    schema-tools – Build and Edit JSON Schemas2024 · schematools.herondata.io · ▲5

    We built this in a day to help save some time internally and wanted to share as others might find it useful for managing structured output schemas. There’s a few other tools out there - but none had exactly what we needed! Key Features: 1. Two-Way Editing: Paste in an existing JSON schema and edit it within the UI 2. Data-Type Validations: add validations to fields 3. Local Storage & Version History: track your edits, don’t lose changes Link: https://schematools.herondata.io Source Code: https://github.com/heron-data/schema-tools

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