Dev tools · alternatives · 2026

24 alternatives to JSON Knife

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

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
   ViteTools.dev▲10

   Free online developer tools & utilities

   Nov 2025 · its alternatives →

3. 3
   JSONSift▲10

   Free developer tools that run entirely in your browser

   Jun 2026 · jsonsift.com · its alternatives →

4. 4
   CodeUtil▲3

   20+ free developer tools that run entirely in your browser

   Mar 2026 · codeutil.dev · its alternatives →

5. 5
   Tools2025▲8

   Free developer tools - JSON, passwords, encoding & more

   2025 · its alternatives →

6. 6
   JSON Dev Tools▲2

   Free & Private JSON Tools That Run in Your Browse

   May 2026 · jsondevtools.org · its alternatives →

7. 7
   Dev JSON Tools▲1

   Fast JSON tools for developers — format, diff & convert

   Feb 2026 · devjsontools.com · its alternatives →

8. 8
   Toolaska▲7

   Free online developer tools | json, encoding, code compare

   2025 · toolaska.com · its alternatives →

9. 9
   DevTools ▲3

   9 free dev tools in one tab — JSON, JWT, Regex & more

   Jun 2026 · jsonviewer.live · its alternatives →

10. 10
    JSON Web Tools▲2

    18 free JSON tools for developers - all in one place

    Feb 2026 · jsonwebtools.com · its alternatives →

11. 11
    DevKit▲4

    26 serverless dev tools that run in your browser

    Feb 2026 · devkit.thewowstudio.io · its alternatives →

12. 12
    DevDock▲1

    Your daily dev toolkit, one keyboard shortcut away

    May 2026 · devdocktools.vercel.app · its alternatives →

13. 13
    ToolMorph▲3

    18+ essential developer tools in one fast platform

    Jun 2026 · toolmorph.in · its alternatives →

14. 14
    JSON Utils▲6

    Free online json formatter, validator & editor tool

    2025 · onlinejsonutils.com · its alternatives →

15. 15
    DevUtils▲3

    25 free dev tools that run in your browser. No signup.

    Apr 2026 · tools.wasta-wocket.fr · its alternatives →

16. 16
    Elysia Tools▲7

    Developer tools

    Oct 2025 · elysiatools.com · its alternatives →

17. 17
    DevUtilityHub

    Free Online Developer Tools

    Mar 2026 · devutilityhub.org · its alternatives →

18. 18
    cleancode.tools▲8

    Json formatter, base64 decoder, time converter

    2025 · cleancode.tools · its alternatives →

19. 19
    JSONLint▲7

    All-in-one JSON Tools for Developers

    2025 · jsolint.com · its alternatives →

20. 20
    DevKit▲13

    27+ free developer tools | json, css, seo & more

    2025 · its alternatives →

21. 21
    NicheUtils: 40+ Free Dev Tools ▲9

    40+ dev tools that run 100% in your browser - no servers

    2025 · nicheutils.com · its alternatives →

22. 22
    DevTab▲5

    110+ dev tools. One tab. Zero server calls.

    Jul 2026 · devtab.in · its alternatives →

23. 23
    RAW - Developer Toolkit▲6

    30+ dev tools in one place fast, free, and 100% client-side.

    May 2026 · rawtools.site · its alternatives →

24. 24
    SearchZee Web Tools▲2

    32 developer & writing tools that run in your browser

    Aug 2026 · searchzee.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 →