Alternatives

Products that do what JSON Toolbox by mackan.eu does

Format, convert, repair, compare JSON in your browser

1. 1TW
   This website is valid JSON▲604

   2020 · webdatarender.com

2. 2IM
   I made a tool which fixes broken JSONs▲29

   2024 · prakhar897.github.io

3. 3
   Developer Toolbox▲79

   Access 15+ carefully constructed developer tools

   2022

4. 4
   JSON Parser Pro▲3

   Free JSON toolkit — format, validate, diff & repair

   Jul 2026 · freejsonparser.com

5. 5
   jsonbox.io▲200

   A free HTTP based JSON Storage.

   2019

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. 8
   ezjson▲138

   JSON parsing, formatting, sorting and comparing

   2024

9. 9
   OK JSON▲113

   Format and view JSON with native Mac app

   2021

10. 10
    OK JSON▲104

    The ultimate JSON formatter for your Mac

    2023

11. 11
    JSON Formatter and Validator▲81

    Useful JSON online tools

    2022

12. 12
    Merge JSON▲5

    50+ free JSON tools that run entirely in your browser

    Jun 2026 · mergejsonfiles.com

13. 13
    JSONHub▲3

    All JSON Tools in One Place

    Feb 2026

14. 14
    Format JSON▲2

    Paste ugly, copy pretty

    May 2026 · format-json.net

15. 15
    JSON Editor & Validator▲2

    Edit, format, diff, and repair JSON — all in your browser.

    Jun 2026 · mzeeshan.me

16. 16
    JSON Formatter▲2

    Beautify, validate & convert JSON — free, no login and fast.

    May 2026 · formatjson.online

17. 17
    JSONSift▲10

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com

18. 18
    Free JSON Formatter▲3

    Format, validate and minify JSON instantly

    Jun 2026 · tools.bmjapps.in

19. 19
    OJF - Online JSON Formatt▲3

    Dev tools that never touch your data. Format, convert, fix.

    Aug 2026 · onlinejsonformatt.org

20. 20
    JSON Kit▲10

    Fix broken AI JSON and 6 more JSON tools, all in-browser

    May 2026 · jsonkit.co

21. 21
    JSONKit▲4

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

    Jun 2026 · jsonkit.in

22. 22
    JSON Operations▲1

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

    Apr 2026

23. 23
    JSON Tools by Renderlog▲3

    55+ JSON utilities for devs — format, repair, convert

    May 2026 · json.renderlog.in

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 →