Formatters

JSON Formatter & Validator Format, minify and validate JSON online. Pretty-print with 2 spaces, 4 spaces or tabs, sort keys, see the exact line and column of an error, browse a tree. Private. JSON ⇄ YAML Converter Convert JSON to YAML and YAML to JSON online, in both directions. Handles multi-document YAML and loads YAML safely (no custom tags). Private, in your browser. JSON ⇄ CSV Converter Convert JSON to CSV and CSV to JSON online. Choose the delimiter, flatten nested objects with dot keys, and export spreadsheet-safe CSV. Private, in your browser. XML Formatter & Validator Format, minify and validate XML online. Choose the indentation, find errors with line and column. Never loads external entities. Private. SQL Formatter Format and beautify SQL queries online for MySQL, PostgreSQL, SQLite and T-SQL. Choose keyword case and indentation. Private, in your browser. JSON to TypeScript, PHP & Go Types Generate TypeScript interfaces, PHP 8 readonly classes or Go structs from a JSON sample. Merges arrays, marks optional and nullable fields. Private, in your browser. Text Diff Checker Compare two texts line by line, side by side or inline. Ignore whitespace and case, or compare JSON ignoring formatting and key order. Private, in your browser. Markdown Preview Write Markdown and see the rendered result live, with GitHub-flavored tables, task lists and code blocks. Output is sanitized, and nothing leaves your browser.