Dev tools · alternatives · 2026

24 alternatives to JsonTree.js - JavaScript JSON Visualizer

JavaScript JSON Visualizer

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JsonTree.js - JavaScript JSON Visualizer launched in 2024; newer entries below may have overtaken it.

1. 1JA
   JsonTree, a 3.53kb JavaScript tool for generating html trees from JSON▲78

   a lightweight dependency free javascript micro-library for making collapsable trees with JSON

   2017 · maxleiter.github.io · its alternatives →

2. 2
   I created a lightweight JavaScript library to visualize JSON as a graph▲62

   Effortlessly visualize JSON structures as dynamic tree diagrams - The-01-Company/jsontr.ee

   2024 · github.com · its alternatives →

3. 3
   JSON For You – Visualize JSON in graph or table views▲211

   After two years of improvement, I think it's time to share it with you all. Here’s a quick overview: - Common features include validation, formatting, minification, and more. - Visualize JSON in a graph or table view. - Structured comparison with fallback to text comparison. - Navigate though JSON using JSON pointer. - Supports jq. Would love to hear the community's questions, thoughts and comments!

   2024 · github.com · its alternatives →

4. 4TJ
   Textures.js, SVG Patterns for Data Visualization▲404

   A JavaScript Library for creating SVG patterns

   2015 · riccardoscalco.github.io · its alternatives →

5. 5WT
   Word Tree in D3.js▲158

   2013 · jasondavies.com · its alternatives →

6. 6
   Chart.js▲263

   Simple, clean & engaging charts for designers and developers

   2014 · chartjs.org · its alternatives →

7. 7
   Object-visualizer – Chrome-console-like JSON object visualizer in DOM▲45

   Vue JSON inspector with Chrome-like theme. Contribute to soc221b/object-visualizer development by creating an account on GitHub.

   2020 · github.com · its alternatives →

8. 8
   JsonTree, a tool for turning JSON data into a collapsible html tree▲9

   A lightweight vanilla Javascript micro-library for making collapsible trees with JSON - MaxLeiter/jsonTree

   2016 · github.com · its alternatives →

9. 9
   JsonMap▲5

   JSON into interactive graphs and trees

   Feb 2026 · jsonmap.com · its alternatives →

10. 10
    JSONUIView▲14

    Simple API Client and JSON Visualizer

    2025 · jsonuiview.web.app · its alternatives →

11. 11JG
    JSON Graphs – Create Graphviz Visualizations with JSON Data▲10

    2021 · nounparse.com · its alternatives →

12. 12
    Chart.js 4.0▲111

    Open source JavaScript charting library for the modern web

    2022 · github.com · its alternatives →

13. 13
    JSON Crack▲70

    Simple visualization tool for your JSON data.

    2022 · jsoncrack.com · its alternatives →

14. 14
    JSON Visualization▲6

    a tool for json visualization

    2024 · its alternatives →

15. 15
    JSON Viewer + Editor▲96

    Web app to view JSON strings in a tree like structure

    2023 · jsonviewer.nekonik.com · its alternatives →

16. 16GJ
    Generate JSON mock data for testing/initial app development▲103

    Easily create complex JSON data structures using intuitive templates.

    2023 · jsongenerator.io · its alternatives →

17. 17
    Jsonviewer▲9

    JSONNinja – A Next‑Gen JSON Viewer for Developers

    2025 · v2.jsonninja.tools · its alternatives →

18. 18
    Weird JSON superset with BigInt, Infinity, TypedArray etc▲67

    the JS/Node.JS library for encoding complex and unconventional data structures. Support for BigInts, TypedArrays, null, undefined, and Symbol. Multiple flavors available. - DO-SAY-GO/WeirdJSON

    2020 · github.com · its alternatives →

19. 19
    JSON Master▲82

    Format, repair, convert, and visualize JSON, XML, YAML, CSV, and TOML. Free developer platform with advanced visualizers and AI-powered syntax repair.

    2020 · jsonmaster.com · its alternatives →

20. 20
    JSON Tree Viewer▲6

    json, developer tools

    2025 · its alternatives →

21. 21
    JSON-Splora, a gui for editing, visualizing, and manipulating JSON data▲54

    GUI app for editing, visualizing, and manipulating JSON data - wellsjo/JSON-Splora

    2016 · github.com · its alternatives →

22. 22
    JsonFormat▲7

    Transform your data into interactive graphs

    2025 · its alternatives →

23. 23
    J-RAY▲3

    Hi HN, I shared a very early prototype of this a couple of days ago, but I spent the weekend completely rewriting the core to make it 100% client-side, privacy-first, and open-source. Like many of you, I deal with large, deeply nested JSON payloads from APIs daily. I’ve always felt uneasy pasting sensitive production data or API keys into random online JSON formatters that probably log everything. So I built J-RAY to solve this for myself. It parses JSON and turns it into an interactive node graph using React Flow. Some technical details: Zero Server Processing: It’s fully client-side. No…

    Feb 2026 · j-ray.vercel.app · its alternatives →

24. 24HT
    How to make great-looking D3.js charts in Python w/o coding any JS▲16

    d3.js is an excellent visualization library due to the ability it gives a developer to gain control over all aspects of visualization. Ho...

    2016 · dataviztalk.blogspot.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →