Life & fun · alternatives · 2026

24 alternatives to JSON Studio

37 free JSON tools. Zero servers. Your data never leaves.

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

1
JSON Formatter and Validator▲81
Useful JSON online tools
2022 · jsonformatter.net · its alternatives →
2
JSONSift▲10
Free developer tools that run entirely in your browser
Jun 2026 · jsonsift.com · its alternatives →
3
JSON Web Tools▲2
18 free JSON tools for developers - all in one place
Feb 2026 · jsonwebtools.com · its alternatives →
4
Tools2025▲8
Free developer tools - JSON, passwords, encoding & more
2025 · its alternatives →
5
JSONLint▲7
All-in-one JSON Tools for Developers
2025 · jsolint.com · its alternatives →
6
JSON Utils▲6
Free online json formatter, validator & editor tool
2025 · onlinejsonutils.com · its alternatives →
7
JSON Knife▲4
30 free developer tools. No ads, no signup, no BS.
Feb 2026 · tools.shanecode.org · its alternatives →
8
RAW - Developer Toolkit▲6
30+ dev tools in one place fast, free, and 100% client-side.
May 2026 · rawtools.site · its alternatives →
9
JSONKit▲4
47 free JSON tools — all in your browser, zero uploads
Jun 2026 · jsonkit.in · its alternatives →
10
JSON Viewer▲6
Free online json formatter, validator & viewer tool
2025 · jsonviewer.run · its alternatives →
11
JSON Tools▲4
Free JSON viewer, formatter & converter in your browser
2025 · json-viewer-ce3.pages.dev · its alternatives →
12
JSON Dev Tools▲2
Free & Private JSON Tools That Run in Your Browse
May 2026 · jsondevtools.org · its alternatives →
13
Toolaska▲7
Free online developer tools | json, encoding, code compare
2025 · toolaska.com · its alternatives →
14
Bit Tools▲14
Dev tools that never track you or your data
2025 · its alternatives →
15
JSON Playground Tools▲5
Modern Developer Toolkit
Jan 2026 · jsonplayground.online · its alternatives →
16
cleancode.tools▲8
Json formatter, base64 decoder, time converter
2025 · cleancode.tools · its alternatives →
17
JSON Formatter Viewer &&Free Online Tool▲5
Instantly format, beautify, and view your JSON data online.
2025 · json-formatter-dev.vercel.app · its alternatives →
18
JSON Formatter▲5
Free online tool to edit, view, and format JSON
2017 · its alternatives →
19
NicheUtils: 40+ Free Dev Tools ▲9
40+ dev tools that run 100% in your browser - no servers
2025 · nicheutils.com · its alternatives →
20
Tooly▲5
I kept opening online JSON formatters and getting buried in ads and popups. So I made a clean version with a few tools I actually use daily – JSON formatter with syntax highlighting, Base64 encoder/decoder, JWT decoder, text diff, and timestamp converter. Everything runs client-side. No tracking, no server calls, no signup walls. Built with React 19 and TypeScript. It's open source: https://github.com/chken007/tooly My 5-year-old helped name it. She insisted on "Tooly" and I couldn't argue with that logic. Open to feedback – especially if you spot bugs or have…
Dec 2025 · tooly.one · its alternatives →
21
ViteTools.dev▲10
Free online developer tools & utilities
Nov 2025 · its alternatives →
22
JSON Swiss▲13
Free Swiss Army Knife for JSON Data
2025 · its alternatives →
23
JSON Studio▲5
Free tool to view, convert, compare JSON powered by ChatGPT
2023 · jsonstudio.io · its alternatives →
24
Free Utility Tools▲5
98 free tools. Zero BS. Just click and done.
Dec 2025 · onerobot.dev · its alternatives →

Also compare

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 →