Free Online JSON Tools & Formatters

Format, beautify, and indent raw unformatted JSON strings with 2 or 4 spaces.

Compress and minify JSON data by stripping whitespace to optimize byte size.

Validate JSON syntax correctness and inspect object statistics and depth.

Inspect and view JSON documents in structured view format.

Convert JSON array of objects into structured RFC CSV tabular format.

Parse CSV spreadsheets into structured JSON array of objects.

Generate TypeScript type interfaces from JSON objects automatically.

Convert raw JSON into JavaScript const object declarations.

Escape special characters in JSON strings or unescape stringified JSON.

Sort keys in JSON objects alphabetically (A-Z or Z-A) recursively.

Convert structured JSON objects and arrays into clean XML markup tags instantly.

Convert YAML configuration data structures into formatted JSON objects locally.

Convert raw unquoted JavaScript object literals into valid JSON strings.

Query and extract nested properties from JSON data structures using key paths.

Generate standard JSON Schema Draft-07/2020-12 specifications from raw JSON objects.

Validate JSON objects against JSON Schema rules and required property definitions.

Convert JSON Schema and objects into TypeScript type interface declarations.

Flatten nested JSON objects into dot-notation keys or unflatten keys back to objects.

Format and beautify .jsonl (JSON Lines) data files cleanly.

Convert newline-delimited JSON Lines (.jsonl) into a structured JSON array.

Query and inspect nested property paths in JSON data structures.

Generate RFC 6902 JSON Patch operations diffs between two JSON objects.

Apply RFC 6902 JSON Patch operations onto a base JSON object.