Dev tools · alternatives · 2026

24 alternatives to TrueFormatter

Free online json formatter, validator & auto-fixer

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   JSON Formatter and Validator▲81

   Useful JSON online tools

   2022 · jsonformatter.net · its alternatives →

2. 2
   Online JSON Formatter Tool▲12

   json formatter online, online json tool, format json

   2025 · its alternatives →

3. 3
   JSON Formatter and validator▲18

   free online Json formatter and validator

   2025 · its alternatives →

4. 4
   JSONFormatterPro▲6

   JSONFormatter

   Oct 2025 · jsonformatterpro.testcraft.in · its alternatives →

5. 5
   JSON Formatter Online▲7

   Free json formatter & validator online

   2025 · json-formatter-new.vercel.app · its alternatives →

6. 6
   DevFormatter▲6

   Format, convert, and validate JSON, XML, YAML with ease.

   2025 · devformatter.in · its alternatives →

7. 7
   JSON Formatter & Validator▲7

   Professional online json tool | format, validate & convert

   2025 · instantconvert.online · its alternatives →

8. 8
   JSON Formatter▲13

   Free json formatter & viewer online

   2025 · nexonware.com · its alternatives →

9. 9
   JSON Formatter & Validator▲6

   Free online json tools with syntax highlighting

   2025 · json.toolaska.com · its alternatives →

10. 10
    Json Formatter Online▲6

    Free online JSON formatter & validator tool

    2024 · its alternatives →

11. 11
    JSONFormatters▲4

    Format, validate & convert JSON instantly

    Feb 2026 · jsonformatters.com · its alternatives →

12. 12
    JSON Formatter▲2

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

    May 2026 · formatjson.online · its alternatives →

13. 13
    Free JSON formatter & validator▲7

    Format, validate and beautify json

    2025 · formatjsononline.com · its alternatives →

14. 14
    JSON Formatter▲6

    Free online json beautifier tool

    2025 · json-44.vercel.app · its alternatives →

15. 15
    JSON Formatter▲7

    A clean, responsive, and modern JSON Formatter.

    2025 · harsh98trivedi.github.io · its alternatives →

16. 16
    JSON Viewer▲6

    Free online json formatter, validator & viewer tool

    2025 · jsonviewer.run · its alternatives →

17. 17
    Simple Tools▲13

    Simple JSON Tool with Repair & AI Fix!

    2025 · tools.mingxiangzhe.com · its alternatives →

18. 18
    OwnFormatter▲2

    Format, Convert, Validate & Generate — All in One Place json

    Jun 2026 · ownformatters.com · its alternatives →

19. 19
    Online JavaScript beautifier▲9

    Beautify JavaScript, JSON, React.js, HTML, CSS

    2025 · javascriptformatter.com · its alternatives →

20. 20
    OJF - Online JSON Formatt▲3

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

    Aug 2026 · onlinejsonformatt.org · its alternatives →

21. 21
    JSON Tools▲4

    Free JSON viewer, formatter & converter in your browser

    2025 · json-viewer-ce3.pages.dev · its alternatives →

22. 22
    JSON Utils▲6

    Free online json formatter, validator & editor tool

    2025 · onlinejsonutils.com · its alternatives →

23. 23IM
    I made a tool which fixes broken JSONs▲29

    2024 · prakhar897.github.io · its alternatives →

24. 24
    Pretty JSON — Free JSON Formatter▲1

    Free JSON, YAML & XML toolkit that runs 100% in your browser

    Jun 2026 · prettyjson.org · 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 →