Format, beautify and validate JSON instantly in your browser with custom indentation.
JSON & Data
JSON & Data Tools
JSON is the format almost every API speaks, and most of the time you meet it minified, malformed or several thousand lines long. The tools in this category clean it up, tell you exactly where a syntax error is, and let you explore, compare and reshape it without leaving the browser.
Everything here runs locally: nothing you paste is uploaded or logged, so it is safe to use with real API responses. Converters cover the formats JSON usually has to travel to and from — CSV for spreadsheets, YAML for configuration, XML for legacy systems and SQL for databases.
Tools in this category
Validate JSON syntax and get precise error locations with helpful fix suggestions.
JSON & Data
Explore JSON as a collapsible tree with paths, types and value counts.
JSON & Data
Compare two JSON documents semantically and highlight added, removed and changed values.
JSON & Data
Minify JSON by removing whitespace to reduce payload size.
JSON & Data
Sort JSON object keys alphabetically (recursively) for stable, diff-friendly output.
JSON & Data
Escape text for safe embedding inside a JSON string, or unescape a JSON string literal.
JSON & Data
Validate a JSON document against a JSON Schema (draft-07 / 2019-09 / 2020-12 core keywords).
JSON & Data
Generate a JSON Schema from a sample JSON document automatically.
JSON & Data
Evaluate JSONPath expressions ($.store.book[*].author) against JSON and see matches live.
JSON & Data
Resolve RFC 6901 JSON Pointers (/a/b/0) against a document.
JSON & Data
Convert JSON to clean, readable YAML.
JSON & Data
Convert YAML documents to JSON with error reporting.
JSON & Data
Convert JSON objects and arrays to well-formed XML.
JSON & Data
Convert XML to JSON, preserving attributes, text nodes and repeated elements as arrays.
JSON & Data
Convert an array of JSON objects to CSV with flattened nested keys.
JSON & Data
Convert CSV or TSV data to a JSON array of objects.
JSON & Data
Convert between JSON arrays and newline-delimited JSON (NDJSON / JSONL).
JSON & Data
Validate every line of a JSON Lines file and report the exact failing lines.
JSON & Data
Flatten nested JSON into dot-notation keys, or rebuild nested objects from flat keys.
JSON & Data
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