Pretty-print compact JSON while keeping API data and pasted content inside your browser.
JSON Formatter →Tools in this category
JSON Formatter and Validator
Format, explore, validate and minify JSON without external viewers.Tools in this category
Choose the result you need rather than a technical label.
01
JSON Formatter
Format JSON with readable indentation locally.
Open tool →02JSON Tree Viewer
Explore JSON objects and arrays in a local tree view.
Open tool →03JSON Validator
Validate JSON syntax and locate errors locally.
Open tool →04JSON Minifier
Minify JSON into a compact single line locally.
Open tool →Which tool should I use?
Choose the result you need rather than a technical label.
Navigate nested objects and arrays without sending structured data to an external viewer.
JSON Tree Viewer →Parse JSON, confirm valid input and use line and column information to find syntax errors.
JSON Validator →Remove formatting whitespace from valid JSON and copy or download the compact result.
JSON Minifier →