JSON Tools
Every JSON tool, in one place
Format, validate, minify, visualize, and transform JSON. The core tools run entirely in your browser — no sign-up, no upload. The AI tools add plain-English explanations and docs.
Core tools · run in your browser
JSON Formatter
Beautify & pretty-print
Open toolJSON Validator
Find syntax errors by line
Open toolJSON Minifier
Shrink to a single line
Open toolJSON Tree Viewer
Explore as a collapsible tree
Open toolJSON to Mind Map
Interactive visual graph
Open toolJSON Diff
Compare two JSON documents
Open toolJSON Repair
Fix broken JSON automatically
Open toolJSON Merge
Deep-merge two JSON documents
Open toolJSON Path Finder
List every path in a document
Open toolConvert & transform · run in your browser
JSON to CSV
JSON → CSV rows
Open toolCSV to JSON
CSV → JSON array
Open toolJSON to XML
JSON → XML
Open toolXML to JSON
XML → JSON
Open toolJSON to YAML
JSON → YAML
Open toolYAML to JSON
YAML → JSON
Open toolJSON to TypeScript
JSON → TS interfaces
Open toolJSON Escape / Unescape
Escape or unescape strings
Open toolSort JSON
Sort keys alphabetically
Open toolJSON to Excel
JSON → .xlsx workbook
Open toolExcel to JSON
.xlsx → JSON array
Open toolCopilot tools · run in the editor, use credits
Not sure which to use? See real use cases, or how JSON Copilot compares to JSONLint. Everything opens in the full editor.