Format and beautify JSON
Apply two, three, or four spaces or tabs, then copy or download clean JSON. Formatting changes whitespace without changing the represented data.
Private browser-based developer tool
Remove unnecessary spaces, indentation, and line breaks from valid JSON to produce a compact representation. Minification reduces text size without changing the data represented by the document.
JSONFormatView validates the input before minifying it, preventing malformed data from being silently transformed. You can copy or download the compact result after checking its structure and size.
Apply two, three, or four spaces or tabs, then copy or download clean JSON. Formatting changes whitespace without changing the represented data.
Find syntax errors with line and column details. Preview safe fixes for common mistakes before applying them to the document.
Inspect objects and arrays as a searchable tree or table, compare documents by JSON path, or convert JSON to YAML, XML, and CSV.
Yes. JSONFormatView is a free online JSON formatter, validator, viewer, comparison, repair, minification, and conversion tool.
No. Formatting, validation, repair, comparison, viewing, and conversion run locally in your browser.
Common causes include trailing commas, single-quoted strings, unquoted property names, comments, missing brackets, and incorrectly escaped characters.