VS Code is the best all-around JSON editor for Windows, offering real-time validation, tree views, plugin support, and seamless integration with development workflows. It's ideal for developers and power users.
Notepad++ with the JSTool or JSON Viewer plugin is the top choice for lightweight, fast editing, especially if you prefer a minimal setup and already use Notepad++.
For handling large JSON files, Dadroit JSON Viewer is recommended due to its reliable performance with massive datasets.
JSONBuddy is a powerful standalone tool with advanced features like schema-aware auto-completion, JSON Schema validation, CSV/XML conversion, and command-line automation—perfect for professionals needing precision and efficiency.
JSONedit is a portable, free, and lightweight option (under 2 MB) with a tree view, syntax highlighting, and formatting—ideal for simple, offline editing tasks.
Microsoft Edge now includes a built-in JSON viewer (available from version 116), which automatically formats and highlights JSON in browser tabs—great for quick inspections of API responses or files.
There are several json editing options, personally I use notepad++ but you could try visual studio code which is a free download. Answer from EvilNuff on reddit.com
Microsoft Store
apps.microsoft.com › detail › xpffkxn4tcclfb
JSON XML Editor - Download and install on Windows | Microsoft Store
The JSON XML Editor provides an alternative way to View, Create, Edit, and Convert JSON and XML Files. Based on the concept that XML and JSON files are organized in a tree structure much like the Windows Registry, why not have a user interface ...
Reddit
reddit.com › r/battletechgame › a tool better than notepad++ for reading/writing jsons?
r/Battletechgame on Reddit: A tool better than Notepad++ for reading/writing jsons?
February 2, 2020 -
Is there a tool that can extract the json values to be altered in a manner less manual and more clean than using a straight text editor?
Does anyone know a good free .JSON editor for windows?
notepad++ More on reddit.com
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July 22, 2024[AskJS] Does anyone know of any local JSON editor with GUI? (Windows)
Vscode More on reddit.com
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February 7, 2025Is there an easy to use JSON editor that doesn't suck ass? (Win11)
Aren't .jsons compiled Java files? You would need to decompile them into .java or equivalent files to edit them. Otherwise you'd need a bit editor and to be careful not to violate the checksum...
More on reddit.com 4
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September 4, 2021A tool better than Notepad++ for reading/writing jsons?
There are several json editing options, personally I use notepad++ but you could try visual studio code which is a free download. More on reddit.com
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February 2, 2020How can I validate my JSON files with a JSON editor?
You need to select and assign a JSON Schema to your JSON input. Some JSON editors also support background and batch validation.
json-buddy.com
json-buddy.com
JSON Editor and Validator Tool for Windows
How can I format and beautify my JSON files with a JSON editor?
Many JSON editors provide extra commands to format and prettify JSON data. This will also run a syntax-check.
json-buddy.com
json-buddy.com
JSON Editor and Validator Tool for Windows
What is a JSON editor and why do I need one?
A comprehensive JSON editor like JSONBuddy is a tool that helps you create and edit JSON files. JSONBuddy provides syntax-coloring, auto-completion, well-formed checking, JSON Schema support and more.
json-buddy.com
json-buddy.com
JSON Editor and Validator Tool for Windows
Videos
02:30
What Are Some Good JSON Editors? - The Friendly Statistician - YouTube
19:50
The New JSON Editor - YouTube
01:03:58
Webinar: Introducing Oxygen JSON Editor - The Ultimate Solution ...
00:56
Microsoft Edge | The JSON viewer - YouTube
06:43
Using the Online JSON Editor - YouTube
04:56
Tips for working with JSON in Visual Studio - YouTube
Json-buddy
json-buddy.com
JSON Editor and Validator Tool for Windows
JSON file and grid editor for Windows® to create error-free JSON with ease.
JSON Editor Online
jsoneditoronline.org
JSON Editor Online: edit JSON, format JSON, query JSON
Copy and paste your JSON file in the JSON editor, or load it from disk via the menu or via drag-and-drop. Then, you can edit the contents similar to how you use any text editor: enter new content with your keyboard, and right-click to open a context menu with actions like copy/paste, insert, remove.
Lo4d
jsonedit.en.lo4d.com › business and development › programming
JSONedit 0.9.44.1 JSON file editor for Windows
December 16, 2025 - JSONedit, free download for Windows. Software for modifying and manipulating data stored in JSON format. Simple text and format editing tool for JSON files with validator.
4sysops
4sysops.com › home › blog › articles › edit json config files with free json editors or notepad++
Edit JSON config files with free JSON editors or Notepad++ – 4sysops
February 15, 2024 - It is recommended to use a specialized editor to edit configuration files in the delicate JSON format. Among the most well-known apps for Windows are JSONedit and the JSON/XML Editor.
Xml-buddy
xml-buddy.com › json-editor.htm
JSONBuddy – JSON Editor for Windows
JSONBuddy is a dedicated JSON editor for Windows with grid and text views, JSON Schema–aware auto-completion, validation, CSV/JSON/XML conversion, and a command-line tool. Most features are also available in XML ValidatorBuddy.
Tomeko
tomeko.net › software › JSONedit
JSONedit - JSON editor
tree nodes are reused when loading new structure - nodes will stay expanded and in the same position when loading new file if similar (comparing name paths) nodes existed in previous structure, this is helpful when comparing two JSON files, added some trivial node moving through "drag and drop". ... FIXED regression: huge CPU usage when parsing arrays with large item numbers introduces with tree reuse; this fix does not apply to objects with large children count - if you're working with large data sets (few MB or more) you may want to turn off tree reuse function (Settings/Editor), name of file to open can be passed as command-line parameter, Settings window: added button to associate .json files with application,
JSON Crack
jsoncrack.com › editor
Editor | JSON Crack
JSON Crack Editor is a tool for visualizing into graphs, analyzing, editing, formatting, querying, transforming and validating JSON, CSV, YAML, XML, and more.
Altova
altova.com › xmlspy-xml-editor › json_editor
JSON Editor: Edit, Validate, and Format JSON | Altova
You can opt to convert a single file or perform a mass JSON-to-XML conversion in the Project window. It's just as easy to convert between JSON, YAML, and BSON. Converting XSD to JSON Schema is also supported. The software provides complete support for querying JSON with XPath/XQuery and transforming JSON to HTML and other formats with XSLT. Unlike basic online tools, this JSON editor download for Windows gives you all the advanced JSON tools described above, in one version.
Microsoft Store
apps.microsoft.com › detail › 9pltngpg3w25
JSON Viewer - JSON Utilities - Free download and install on Windows | Microsoft Store
Json Viewer is an essential tool for anyone working with JSON data. This intuitive app offers a clean and simple interface that makes viewing and editing JSON files a breeze. Whether you're a developer, data analyst, or just someone who needs ...
Visual Studio Code
code.visualstudio.com › docs › languages › json
Editing JSON with Visual Studio Code
November 3, 2021 - For properties and values, both for JSON data with or without a schema, we offer up suggestions as you type with IntelliSense. You can also manually see suggestions with the Trigger Suggestions command (⌃Space (Windows, Linux Ctrl+Space)).
Merge-json-files
merge-json-files.com › blog › best-json-editor-for-windows
9 Best Free JSON Editors for Windows in 2025 (Ranked & Reviewed) | Merge JSON Files
May 24, 2025 - JSONedit is one of those tools that does exactly one thing and does it well. It's a tiny Windows desktop app (the download is about 1 MB) built specifically for viewing and editing JSON files.
GitHub
github.com › josdejong › jsoneditor
GitHub - josdejong/jsoneditor: A web-based tool to view, edit, format, and validate JSON · GitHub
A web-based tool to view, edit, format, and validate JSON - josdejong/jsoneditor
Author josdejong
Reddit
reddit.com › r/stardewvalley › does anyone know a good free .json editor for windows?
r/StardewValley on Reddit: Does anyone know a good free .JSON editor for windows?
July 22, 2024 -
I can't seem to get one that actually works and i'm trying to mod my game
Oxygen XML
oxygenxml.com › json_editor.html
Oxygen JSON Editor
The OxygenText mode provides a simple editor where you can work with JSON documents, providing standard editing capabilities such as undo/redo, copy/paste, find/replace, and drag/drop, as well as more complex features, such as content completion, format and indent, and structure validation.
Intrepiduniverse
intrepiduniverse.com › projects › jsonEditor.html
Free JSON Editor for Windows, MacOS and Linux
JSONEdit is a secure, free, open source, cross platform JSON Editor / Viewer written in Python. Multi-line text is automatically handled with embedded newlines. Edit and view JSON locally on your device. Supports Windows, MacOS, Linux and any platform with support for running python in a windowed ...
GitHub
github.com › RicoSuter › VisualJsonEditor
GitHub - RicoSuter/VisualJsonEditor: A JSON schema based file editor for Windows.
Visual JSON Editor is a JSON schema draft v4 based file editor for Windows: When opening a JSON file, the application auto-generates an editor GUI based on the provided JSON schema.
Starred by 372 users
Forked by 92 users
Languages C#
Softonic
jsoneditor.en.softonic.com › home › windows › utilities & tools › file managers
JsonEditor for Windows - Softonic
November 26, 2025 - JSON Editor for Windows is a free Windows application that allows you to edit and view JSON files. It is based on a JSON Editor for iOS, so you can share the same files with other users.
JSON Formatter
jsonformatter.org › json-viewer
JSON Viewer Online Best and Free
Best and Secure JSON Viewer works well in Windows, Mac, Linux, Chrome, Firefox, Safari and Edge.