Alternatives

Products that do what Merge JSON does

50+ free JSON tools that run entirely in your browser

1. 1
   JSONverify▲92

   A web tool that validates and format JSON objects

   2021

2. 2JF
   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

3. 3
   JSONSift▲10

   Free developer tools that run entirely in your browser

   Jun 2026 · jsonsift.com

4. 4
   JSON Query▲152

   A tool to query JSON data structures

   2015

5. 5
   JSONHub▲3

   All JSON Tools in One Place

   Feb 2026 · alljsontools.com

6. 6
   JSON Operations▲1

   Free JSON toolkit: format,convert,validate. No signup needed

   Apr 2026 · jsonoperations.com

7. 7
   OK JSON▲104

   The ultimate JSON formatter for your Mac

   2023

8. 8
   Power JSON Editor▲77

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

   2022

9. 9IM
   I made a tool which fixes broken JSONs▲29

   2024 · prakhar897.github.io

10. 10
    JSON Tools▲2

    Free JSON viewer, formatter & converter in your browser

    Feb 2026

11. 11
    JSONKit▲4

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

    Jun 2026 · jsonkit.in

12. 12
    JSON Formatter and Validator▲81

    Useful JSON online tools

    2022

13. 13
    JSON Dev Tools▲2

    Free & Private JSON Tools That Run in Your Browse

    May 2026 · jsondevtools.org

14. 14OJ
    Online JSON Browser, Editor▲20

    2022 · jsonhero.io

15. 15
    DevJSON▲2

    The all-in-one JSON & XML toolkit for developers

    Jul 2026 · chromewebstore.google.com

16. 16
    JSON Parser Pro▲3

    Free JSON toolkit — format, validate, diff & repair

    Jul 2026 · freejsonparser.com

17. 17
    Free JSON Formatter▲3

    Format, validate and minify JSON instantly

    Jun 2026 · tools.bmjapps.in

18. 18
    JSON Web Tools▲2

    18 free JSON tools for developers - all in one place

    Feb 2026 · jsonwebtools.com

19. 19
    JSON Knife▲4

    30 free developer tools. No ads, no signup, no BS.

    Feb 2026 · tools.shanecode.org

20. 20
    JSONLab▲2

    Fast, private json | format, validate & convert json online

    Dec 2025

21. 21
    Jsontooncraft▲4

    Your complete developer toolkit.

    Nov 2025

22. 22
    JSON Toolbox by mackan.eu▲5

    Format, convert, repair, compare JSON in your browser

    Jul 2026 · mackan.eu

23. 23
    Json-Pi▲1

    The modern workspace for Json Developers

    May 2026 · json-pi.com

24. 24
    Dev JSON Tools▲1

    Fast JSON tools for developers — format, diff & convert

    Feb 2026

Ranked by how close each launch is in meaning, then by votes. Refine with a description →