JSON Editor for Windows to edit, validate and format JSON

JSONBuddy is a dedicated JSON editor for Windows for developers, QA engineers, and API teams. Use it as a JSON file editor to inspect data, fix syntax issues, validate against JSON Schema, and convert between JSON, CSV, and XML in one desktop app.

Why JSONBuddy is a practical JSON editor

  • Full JSON Schema support – Create, assign, and validate JSON Schema drafts 4, 6, 7, 2019-09, and 2020-12.
  • Instant debugging and validation – Detect JSON errors in real time with live validation as you type.
  • Pretty-print and reformat large JSON data – Handle even very large files with fast formatting and streaming validation.
  • Comprehensive documentation tools – Generate JSON Schema documentation automatically for sharing and review.
  • Testing made simple – Run JSON Schema tests and verify JSON instance files directly inside the editor.
  • Batch processing via command line – Automate JSON validation and formatting tasks with the included command-line tool.
  • CSV, XML, and JSON conversion – Quickly convert structured data between multiple formats.
  • Modern text and grid view for JSON content with syntax coloring, auto-completion, and code folding.
Screenshot of JSONBuddy JSON editor for Windows

Download and try JSONBuddy as your JSON editor:

Learn more about the different software packages of JSONBuddy at the feature comparison page.

Related guides: JSON validator, JSON Schema editor, JSON prettify tool, and JSON editor download.

Automation: For Codex and CI workflows with `valbuddy.exe`, visit the ValBuddy Codex skill page.

JSON file editor for day-to-day development

JSONBuddy is more than a JSON viewer. It is built for real editing workflows: debugging API responses, maintaining configuration files, reviewing nested payloads, and validating test data before deployment. The text and grid views let you switch between fast typing and structure-safe editing.

Download a JSON editor for Windows

Try JSONBuddy to evaluate a full-featured JSON editor for Windows with validation, schema tooling, and conversion features included.

JSON instance validator

Convenient authoring of JSON data with
syntax-coloring, auto-completion and folding

  • JSON editor with syntax-coloring, brace highlighting and matching for unmatched readability.
  • Intelligent auto-completion. Create JSON data in less time.
  • Use code folding to collapse and expand sections of your JSON content.
  • Use the built-in JSON schema validator to test any number of JSON instance documents.
  • Standard editor functionalities like copy-paste and find-replace with support for regular expressions.

FAQ: JSON editor for Windows

What should a JSON editor support?

A capable JSON editor should offer syntax checking, JSON Schema validation, formatting, and navigation features such as code folding and jump-to-error. JSONBuddy includes these features in both text and grid editing modes.

Can I validate JSON against modern JSON Schema drafts?

Yes. JSONBuddy supports Draft 4, 6, 7, 2019-09, and 2020-12 and includes schema-aware editing and validation workflows.

Is JSONBuddy only a validator?

No. JSONBuddy is a full JSON editor for Windows with editing, validation, conversion, and command-line automation tools.

Take a detailed look at some other features of JSONBuddy

JSONBuddy is more than just a JSON editor for Windows ®. Learn more on clicking the images and links below.