Life & fun · alternatives · 2026

This tool automatically repairs malformed JSON files. It's designed for developers who work with JSON data and encounter syntax errors or structural issues. The tool identifies and fixes common problems in JSON… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I made a tool which fixes broken JSONs launched in 2024; newer entries below may have overtaken it.

1. 1
   Simple Tools▲13

   Simple JSON Tool with Repair & AI Fix!

   2025 · tools.mingxiangzhe.com · its alternatives →

2. 2
   JSON Crack▲70

   Simple visualization tool for your JSON data.

   2022 · jsoncrack.com · its alternatives →

3. 3
   JSONverify▲92

   A web tool that validates and format JSON objects

   2021 · jsonverify.com · its alternatives →

4. 4JI
   JSON.is▲100

   2016 · json.is · its alternatives →

5. 5
   JSON Utils▲6

   Free online json formatter, validator & editor tool

   2025 · onlinejsonutils.com · its alternatives →

6. 6
   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 →

7. 7
   JSON Kit▲10

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

   May 2026 · jsonkit.co · its alternatives →

8. 8
   JsonFixer▲3

   Fix malformed JSON from LLMs, APIs, and config files.

   Mar 2026 · its alternatives →

9. 9
   JSON Parser Pro▲3

   Free JSON toolkit — format, validate, diff & repair

   Jul 2026 · freejsonparser.com · its alternatives →

10. 10
    Online JSON Formatter Tool▲12

    json formatter online, online json tool, format json

    2025 · its alternatives →

11. 11
    JSON Toolbox by mackan.eu▲5

    Format, convert, repair, compare JSON in your browser

    Jul 2026 · mackan.eu · its alternatives →

12. 12
    Command-line JSON processing tool▲32

    Terminal JSON viewer & processor. Contribute to antonmedv/fx development by creating an account on GitHub.

    2018 · github.com · its alternatives →

13. 13
    JSONSift▲10

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com · its alternatives →

14. 14
    Advanced JSON Formatter▲11

    Efficient JSON editing with one-click formatting & search

    2025 · its alternatives →

15. 15
    OJF - Online JSON Formatt▲3

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

    Aug 2026 · onlinejsonformatt.org · its alternatives →

16. 16
    json-formatter▲6

    A more user-friendly json formatting tool

    Oct 2025 · tools.famral.com · its alternatives →

17. 17
    JSON Crack▲4

    Transform your data into interactive graphs

    2024 · jsoncrack.com · its alternatives →

18. 18
    JsonFlow▲12

    Json comparison tool

    2025 · delta-flow.netlify.app · its alternatives →

19. 19
    Better JSON Formatter▲1

    Smart JSON formatter: auto-fix, URL decode & copy nodes

    May 2026 · dev-toolsonline.com · its alternatives →

20. 20
    Merge JSON▲5

    50+ free JSON tools that run entirely in your browser

    Jun 2026 · mergejsonfiles.com · its alternatives →

21. 21
    JSON Swiss▲13

    Free Swiss Army Knife for JSON Data

    2025 · its alternatives →

22. 22
    JSON Editor & Validator▲2

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

    Jun 2026 · mzeeshan.me · its alternatives →

23. 23
    JSON Formatter▲2

    Beautify, Validate, and Debug Your JSON Instantly

    2025 · codebysde.in · its alternatives →

24. 24
    JSON-to-JSON mapping done easily▲14

    2019 · github.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 →