Find the right browser-local JSON tool

Format, inspect, repair and explore JSON in one workbench.

JSON → JSON

Pretty-print JSON with indentation and recursive key sorting.

JSON → Formatted JSON

Validate syntax and find duplicate keys with precise diagnostics.

JSON → Validation report

Remove optional whitespace and measure byte savings.

JSON → Compact JSON

Preview, approve and undo conservative JSON syntax repairs.

JSON-like text → Repaired JSON

Explore JSON as a searchable, collapsible tree with paths.

JSON → Interactive tree

Produce valid compact JSON on one physical line.

JSON → One-line JSON

Compare two JSON documents structurally.

Two JSON documents → Differences

Evaluate JSONPath queries and JSON Pointer lookups.

JSON and query → Matched values

Validate JSON against a local JSON Schema.

JSON and JSON Schema → Validation results

Convert JSON records into CSV with optional flattening.

JSON → CSV

Parse CSV rows into a JSON array.

CSV → JSON

Create a real XLSX workbook from JSON records.

JSON → XLSX

Convert XLSX or supported XLS worksheets into JSON.

XLSX or XLS → JSON

Convert JSON records into tab-separated values.

JSON → TSV

Parse tab-separated rows into JSON.

TSV → JSON

Generate an escaped HTML table from JSON records.

JSON → HTML table

Extract inert HTML table text into JSON.

HTML table → JSON

Create a Markdown table from JSON records.

JSON → Markdown table

Parse a Markdown table into JSON.

Markdown table → JSON

Convert valid JSON into formatted YAML.

JSON → YAML

Convert safe YAML into formatted JSON.

YAML → JSON

Map JSON values into deterministic XML.

JSON → XML

Convert safe XML into deterministic JSON.

XML → JSON

Encode valid JSON as a JSON string literal.

JSON → JSON string

Decode a JSON string literal into formatted JSON.

JSON string → JSON

Escape arbitrary text for JSON string content.

Text → Escaped text

Decode JSON escape sequences into plain text.

Escaped text → Text

Infer deterministic TypeScript definitions from JSON.

JSON → TypeScript

Validate JSON and encode its UTF-8 text as Base64.

JSON → Base64

Decode standard or URL-safe Base64 into JSON.

Base64 → JSON

Map a JSON object into encoded query parameters.

JSON → Query string

Parse repeated and bracketed query parameters into JSON.

Query string → JSON

Percent-encode a complete JSON document.

JSON → URL-encoded text

Decode and validate percent-encoded JSON text.

URL-encoded text → JSON