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JSONBuddy
Vienna, Austria
What it is
JSONBuddy provides tools for editing, validating, formatting, converting, and automating JSON and JSON Schema workflows. Its Windows editor has text and grid views, schema-aware completion, and validation results. A schema editor offers authoring assistance, reference navigation, diagnostics, debugging, analysis, tests, and documentation. The validator checks JSON syntax and schema constraints, and links failing data locations to relevant schema rules. JSONBuddy converts between JSON, CSV, XML, and HTML, including CSV import and JSON-to-CSV output. Streaming validation processes large JSON without loading the full document into memory; streaming JSON Schema validation through -jsv requires a JSONBuddy Large Data license. Windows command-line tools support repeatable checks in scripts and CI, returning status and diagnostics. The published Core API v1 supports formatting, minifying, JSON Patch, schema validation, and schema documentation. ValBuddy CLI performs file operations locally on Windows and can return selected diagnostics to an AI agent, though selected content or diagnostics may be sent to that provider. Licenses include free personal and educational use, plus paid perpetual options starting at $15, paid once.
For and against
For
- Editor offers text and grid views.
- Validation connects failing data with schema rules.
- Converts among JSON, CSV, XML, and HTML.
- CLI supports repeatable checks in scripts and CI.
Against
- Streaming JSON Schema validation requires a Large Data license.
- Free license is limited to personal or educational use.
- Portable package requires 64-bit Windows 10 or 11.
The verdict
JSONBuddy combines editing, schema validation, conversion, and automation tools, with license options for personal use and commercial workflows. Check the streaming-schema license requirement and Windows system requirement before choosing a version.
Who it suits
JSONBuddy suits Windows users who work with JSON or JSON Schema in editors, scripts, or CI. Its API and command-line options may also suit developers building repeatable validation workflows.
Plans and prices
Personal and educational
Standard-like functionality; personal or educational use only; delivery terms need current confirmation
Read 5 Oct 2026 · json-buddy.com
JSONBuddy Swift
Windows editor; text and grid editing; auto-completion; validation; free minor updates; basic email support; commercial use
Read 5 Oct 2026 · json-buddy.com
Visual Studio extension
Visual Studio; formatting; schema validation; HTML documentation; Schema Analyzer; free minor updates; basic email support; commercial use
Read 5 Oct 2026 · json-buddy.com
JSONBuddy Standard
Windows editor; CLI/CI; Web API; AI agents; free minor updates; extended email support; commercial use
Read 5 Oct 2026 · json-buddy.com
JSONBuddy Plus
Standard features; schema debugger; schema tests and coverage; validation profiling; large-file editing; free minor updates; extended email support; commercial use
Read 5 Oct 2026 · json-buddy.com
.NET Class Library and C++ DLL
Windows development; validation; documentation; formatting; JSON Patch; multiple JSON Schema drafts; free minor updates; basic email support; commercial use
Read 5 Oct 2026 · json-buddy.com
On the record
- Agent workflows
- The ValBuddy CLI runs file operations locally on Windows and can return selected diagnostics to an AI agent; the agent may still send selected content or diagnostics to its model provider.json-buddy.com · read 5 Oct 2026
- API
- The published JSONBuddy Core API v1 supports JSON formatting and minifying, JSON Patch, schema validation, and schema documentation.json-buddy.com · read 5 Oct 2026
- CLI and CI
- The Windows CLI supports repeatable JSON and JSON Schema checks in scripts and CI and returns process status and diagnostics.json-buddy.com · read 5 Oct 2026
- Contact and maker
- The contact page names Clemens Uhlenhut and gives a Vienna, Austria address for JSONBuddy / xml-buddy.com.json-buddy.com · read 5 Oct 2026
- Conversions
- The product converts JSON, CSV, XML, and HTML, including CSV imports and JSON-to-CSV output.json-buddy.com · read 5 Oct 2026
- Editing
- The Windows editor supports text and grid views, schema-aware completion, and validation results.json-buddy.com · read 5 Oct 2026
- File verification
- The download page publishes an optional SHA-256 checksum for verifying the portable ZIP, and notes that Windows SmartScreen may warn because the executable is not signed.json-buddy.com · read 5 Oct 2026
- Large files
- Streaming validation can process large JSON without loading the complete document into memory, and streaming JSON Schema validation through -jsv requires a JSONBuddy Large Data license.json-buddy.com · read 5 Oct 2026
- Purpose
- JSONBuddy provides tools to edit, validate, format, transform, and automate JSON and JSON Schema workflows.json-buddy.com · read 5 Oct 2026
- Schema tools
- The schema editor supports authoring assistance, reference navigation, validation diagnostics, debugging, analysis, tests, and documentation.json-buddy.com · read 5 Oct 2026
- Support
- The maker lists extended email support for Standard and Plus and basic email support for the extension, developer library, and Swift licenses.json-buddy.com · read 5 Oct 2026
- Trial and download
- The Windows portable package and JSONBuddy Swift each offer a 14-day trial without registration; the portable package is a 64-bit ZIP and requires Windows 10 or 11, 64-bit.json-buddy.com · read 5 Oct 2026
- Validation
- The validator checks JSON syntax and JSON Schema constraints and reports locations connecting failing data to schema rules.json-buddy.com · read 5 Oct 2026
