Alternatives

Products that do what JSONinja does

Advanced JSON viewer for developers

1. 1CA
   Catj – A new way to display JSON files▲388

   2019 · github.com

2. 2JA
   Jqview, a simple native GUI for inspecting JSON with jq▲208

   2020 · github.com

3. 3JI
   jnv: interactive JSON filter using jq▲373

   2024 · github.com

4. 4
   OK JSON▲113

   Format and view JSON with native Mac app

   2021

5. 5JA
   Jless, a command-line JSON viewer▲344

   Hey, Hacker News! Today I'm proud to release jless, a command-line JSON viewer. jless provides a JSON viewing experience similar to what you see in a browser's network tab in the developer console, but from the comfort of your terminal, with a whole suite of vim-inspired key bindings to easily manipulate your view of the data and full-text regex search. I'm sure many of you have some piped together some combination of cat, jq and less before; hopefully jless can replace that usage (hence the name). It supports newline delimited JSON too, so it can handle any output from jq. I built jless to…

   2022 · pauljuliusmartinez.github.io

6. 6JF
   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

7. 7
   JSONverify▲92

   A web tool that validates and format JSON objects

   2021

8. 8OJ
   Online JSON Browser, Editor▲20

   2022 · jsonhero.io

9. 9
   JSON Query▲152

   A tool to query JSON data structures

   2015

10. 10IC
    I created a lightweight JavaScript library to visualize JSON as a graph▲62

    2024 · github.com

11. 11
    OK JSON▲104

    The ultimate JSON formatter for your Mac

    2023

12. 12JB
    JSON Browse – Fetch, filter and manipulate your JSON inside the browser▲138

    2017 · jsonbrowse.com

13. 13
    JSON Tools▲2

    Free JSON viewer, formatter & converter in your browser

    Feb 2026 · json-viewer-ce3.pages.dev

14. 14JS
    JSON-Splora, a gui for editing, visualizing, and manipulating JSON data▲54

    2016 · github.com

15. 15
    Json Viewer▲6

    Free online json viewer, parser & formatter

    2025

16. 16
    Power JSON Editor▲77

    A one-stop-shop tool for JSON processing on Mac

    2022

17. 17
    JSON Tree Viewer▲6

    json, developer tools

    2025

18. 18
    JSONKit▲4

    47 free JSON tools — all in your browser, zero uploads

    Jun 2026 · jsonkit.in

19. 19
    JSONSift▲10

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com

20. 20IM
    I made a tool which fixes broken JSONs▲29

    2024 · prakhar897.github.io

21. 21
    Json Sage▲6

    Free online json viewer, editor & validator

    Oct 2025

22. 22
    JSON Viewer▲2

    Fast, modern & free

    Dec 2025 · jsonviewer.tools

23. 23
    JSON Editor Pro▲6

    View, edit & format json online

    2025

24. 24JH
    Jslon – high performance GUI viewer of large JSONL, TSV and CSV files▲10

    2025 · skirdey-inflection.github.io

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