JSON format guide and tools
JSON represents objects, arrays and primitive values for data exchange.
Before you convert
Nested structures do not map to flat tables without choices. Review field names, null values and numeric precision when moving between CSV, XLSX, XML or YAML.
Check each tool’s processing label: browser and server tools handle files differently.
Available JSON tools
Convert Excel XLSX to JSON
Extract Excel spreadsheet data into a structured JSON array of objects.
Convert JSON to Excel XLSX
Convert JSON data arrays and objects into a structured Excel XLSX spreadsheet.
Convert CSV to JSON Online
Transform CSV and tabular data into clean, structured JSON in your browser with zero server uploads.
Convert JSON to CSV Online
Convert JSON arrays or objects into standard RFC 4180 CSV with built-in formula injection protection.
Convert JSON to YAML Online
Convert JSON configuration files into clean, readable YAML with syntax validation and browser-side privacy.
Convert YAML to JSON Online
Convert YAML configurations, Kubernetes manifests, and Docker Compose files to JSON safely in your browser.
Convert JSON to XML Online
Transform JSON data into well-formed XML documents with customizable root tags and browser privacy.
Convert XML to JSON Online
Convert XML documents to JSON with strict XXE protection and Billion Laughs defense in your browser.