Life & fun · alternatives · 2026

24 alternatives to An extensible JSON viewer, editor, formatter, validator and more

An extensible JSON Viewer, Editor, Formatter, Validator based on Monaco Editor - agneym/json-formatter

An extensible JSON viewer, editor, formatter, and validator that runs on GitHub. The tool allows users to view, edit, and format JSON data while validating syntax. It supports extensibility, meaning users can add… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. An extensible JSON viewer, editor, formatter, validator and more launched in 2019; newer entries below may have overtaken it.

1
JSON Formatter and Validator▲81
Useful JSON online tools
2022 · jsonformatter.net · its alternatives →
2
Jqview, a simple native GUI for inspecting JSON with jq▲208
simplest possible native GUI for inspecting JSON objects with jq - fiatjaf/jqview
2020 · github.com · its alternatives →
3
JSON Editor 1.0▲78
Effortless JSON Editing, Anywhere!
2023 · chromewebstore.google.com · its alternatives →
4
JSON Viewer▲6
Free online json formatter, validator & viewer tool
2025 · jsonviewer.run · its alternatives →
5
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 · its alternatives →
6
OK JSON▲113
Format and view JSON with native Mac app
2021 · okjson.app · its alternatives →
7
JSONverify▲92
A web tool that validates and format JSON objects
2021 · jsonverify.com · its alternatives →
8
Power JSON Editor▲77
A one-stop-shop tool for JSON processing on Mac
2022 · tickplant.com · its alternatives →
9
Json Sage▲6
Free online json viewer, editor & validator
2025 · jsonsage.com · its alternatives →
10
JSON Formatter & Validator▲6
Free online json tools with syntax highlighting
2025 · json.toolaska.com · its alternatives →
11
JSON Formatter and validator▲18
free online Json formatter and validator
2025 · its alternatives →
12
JSON Utils▲6
Free online json formatter, validator & editor tool
2025 · onlinejsonutils.com · its alternatives →
13
Codzz JSON Viewer▲9
Format, validate, and visualize json
2024 · jsonviewer.codzz.com · its alternatives →
14
Advanced JSON Formatter▲11
Efficient JSON editing with one-click formatting & search
2025 · its alternatives →
15
JSON Tools▲4
Free JSON viewer, formatter & converter in your browser
2025 · json-viewer-ce3.pages.dev · its alternatives →
16
JSON Viewer▲4
Say goodbye to online JSON formatters.
2020 · jsonviewer.app · its alternatives →
17MO
Minimalist Open Source JSON formatter app▲13
Minimalist json formatter, minifier & editor
2020 · jsonformatter.live · its alternatives →
18
Visual JSON Editor▲8
Free, visual JSON editor - Validation, Type Support etc
Nov 2025 · visualjsoneditor.com · its alternatives →
19
JSON Formatter Hub – JSON Formatter▲6
Format, validate & compare JSON instantly online
Dec 2025 · jsonformatterhub.com · its alternatives →
20
JSON Formatter▲2
Beautify, Validate, and Debug Your JSON Instantly
2025 · codebysde.in · its alternatives →
21
JSON Formatter and Validator▲6
For JSON Lovers
2017 · jsonformatter.org · its alternatives →
22
JSON Notebook▲12
Online json editor, viewer & formatter
2024 · json-notebook.vercel.app · its alternatives →
23
Json Formatter Online▲6
Free online JSON formatter & validator tool
2024 · its alternatives →
24
JSON Editor & Analyzer▲5
JSON made simple, powered by AI
Jan 2026 · json-analyzer.netlify.app · its alternatives →

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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 →