JSON & Data Tools

Format, validate, minify, view, diff, query with JSONPath, and repair corrupted JSON data. Fast, private client-side browser JSON utility suite.

JSON Tools

JSON Formatter

Format, beautify, and inspect JSON data instantly with customizable indentation.

JSON Tools

JSON Validator

Check whether your JSON string is valid according to RFC 8259 specs.

JSON Tools

JSON Minifier

Compress JSON data by removing unnecessary whitespace and line breaks.

JSON Tools

JSON Viewer

Interactive tree viewer to explore nested JSON objects, arrays, and keys.

JSON Tools

JSON to CSV Converter

Convert JSON arrays into flat CSV tabular data for Excel or Google Sheets.

JSON Tools

CSV to JSON Converter

Convert CSV spreadsheets into structured JSON arrays.

JSON Tools

JSON to YAML Converter

Transform JSON definitions into clean YAML configuration files.

JSON Tools

JSON Diff Checker

Compare two JSON objects side-by-side to highlight additions, deletions, and modifications.

JSON Tools

JSON to TypeScript Interfaces

Convert raw JSON objects and API payloads into strongly-typed TypeScript interfaces.

JSON & Data Tools

JSONPath Evaluator & Finder

Query and extract deep properties from complex JSON objects using JSONPath expressions ($..store.book[*].author).

JSON & Data Tools

JSON to JSON Schema Generator

Infer and generate JSON Schema (Draft-07, Draft 2020-12) from sample JSON payloads with type detection.

JSON & Data Tools

JSON Flatten & Unflatten Utility

Flatten deeply nested JSON objects into dot-notated key paths (user.address.city) and reconstruct unflattened JSON.

JSON & Data Tools

JSON Key Sorter

Alphabetically sort object keys recursively in JSON documents for clean diffing and deterministic serialization.

JSON & Data Tools

JSON String Escape / Unescape

Escape quotes, newlines, and backslashes in JSON strings for embedding in code, and unescape stringified JSON.

JSON & Data Tools

JSON to JSON Lines (NDJSON) Converter

Convert standard JSON arrays to newline-delimited JSON (JSON Lines / NDJSON / .jsonl) and vice versa.