JSON Tools

API Response Mock Generator

Create realistic fake JSON API responses from a sample object: realistic names,

Base64 to JSON Converter

Decode base64 to JSON instantly. Tolerates whitespace, data: URL prefixes and UR

Bencode to JSON

Decode bencode (BitTorrent metainfo, tracker messages) into readable JSON: integ

BSON to JSON

Decode a binary BSON document into readable JSON: int32, int64, double, strings,

Convert CSV to JSON

Convert a CSV or TSV table into a JSON array of objects. Choose the delimiter, t

Convert JSON to CSV

Convert a JSON array of objects into a clean CSV table with headers. Choose the

CSON to JSON

Parse a CSON file into JSON in one click: indented blocks, block arrays, braces

CSV to JSON Converter

Convert CSV data into a clean JSON array of objects instantly. Handles quoted fi

Curl to Code Converter

Convert any curl command into ready-to-run code: Python requests, fetch/axios Ja

Escape JSON String

Turn plain text into a valid JSON string literal by escaping quotes, backslashes

Form Data to JSON

Parse HTTP form data into a JSON object in one click: bracket paths become neste

Highlight JSON Syntax

Free JSON syntax highlighter that colourises keys, strings, numbers, booleans an

Analyze JSON

Analyze a JSON document instantly: depth, node counts, value type distribution,

Flatten JSON Array

Flatten a nested JSON array to a single level instantly. Choose depth (1, 2, all

Censor JSON

Censor a JSON document instantly: remove or mask any fields by key name, hide em

JSON Editor & Viewer

Edit and view JSON in a neat browser-based editor: collapsible tree view, live v

JSON Formatter & Validator

Pretty-print, minify, validate and repair your JSON in one tool. Fix common synt

Extract JSON Keys

Extract every key from a JSON object instantly: unique key names, full dot paths

Obfuscate JSON

Obfuscate a JSON structure instantly: rename keys to sequential or random names,

Flatten JSON Object

Flatten a nested JSON object into a single-level object with dot- or underscore-

Find in JSON

Search a JSON document by key or value in one click: case-insensitive contains o

Hide JSON Strings (Escape Codes)

Hide JSON strings, keys and values with escape codes: convert quotes, newlines,

JSON to Base64 Converter

Convert JSON to base64 instantly with correct UTF-8 handling — emoji-safe, live

JSON to Bencode

Encode a JSON data structure into bencode: integers, byte strings with length pr

JSON to BSON Converter

Convert a JSON document into binary BSON encoding directly in your browser. See

JSON to CSON

Convert a JSON document to CSON in one click: CoffeeScript-style keys, single-qu

JSON to CSV Converter

Convert a JSON array of objects into a clean CSV file instantly. Automatic colum

JSON to Form Data

Generate HTTP form data from a JSON object in one click: bracket-path nesting, a

JSON to HTML Table

Generate an HTML table from a JSON object or array in one click: key/value rows

JSON to Image Converter

Turn formatted, syntax-highlighted JSON into a shareable image. Choose PNG, JPG,

JSON to JSONL

Convert a JSON file into JSON Lines (JSONL): one compact JSON object per line. I

JSON to List

Convert a JSON array or object into a clean text list in one click: one item per

JSON to MessagePack

Encode a JSON document as MessagePack (msgpack): fixint compact integers, big-en

JSON to Plain Text Converter

Turn JSON into clean, human-readable plain text instantly. Nested objects become

JSON to Properties

Convert any JSON document to a flat Java .properties file in one click: dot sepa

JSON to Protobuf

Encode a JSON document into the protobuf binary wire format: varint keys and int

JSON to TOML

Convert a JSON config to TOML in one click: [table] headers, [[array of tables]]

JSON to TSV Converter

Convert a JSON array of objects into a clean TSV (tab-separated values) file ins

JSON to UBJSON

Encode a JSON document as Universal Binary JSON (UBJSON): compact typed markers,

JSON to YAML Converter

Convert JSON to clean, properly indented YAML instantly. Paste or upload JSON, g

JSON URL Decoder

Decode URL-escaped JSON back to readable JSON. Handles + signs, malformed percen

JSON URL Encoder

Percent-encode JSON for URL query strings and fragments instantly. Correct encod

Extract JSON Values

Extract values from JSON by key name or dot path — every occurrence, anywhere in

JSONL to JSON

Convert JSON Lines (JSONL / NDJSON) into a single JSON array: each line becomes

List to JSON

Convert a plain text list into a JSON array in one click: one line per item, opt

MessagePack to JSON

Decode MessagePack (msgpack) bytes back into readable JSON. Handles fixint, int/

Minify JSON

Strip whitespace and shrink JSON payloads to their smallest valid form. Perfect

Prettify JSON

Format messy JSON into clean, readable indented output in one click. Choose 2-sp

Properties to JSON

Convert a Java .properties file to nested JSON in one click: comments, escapes,

Stringify JSON

Turn JavaScript object literals and arrays into proper JSON strings in one step.

TOML to JSON

Parse a TOML file into JSON in one click: tables, arrays of tables, inline array

TSV to JSON Converter

Convert TSV (tab-separated values) data into a clean JSON array of objects insta

UBJSON to JSON

Decode Universal Binary JSON back into readable JSON. Handles all integer widths

Unescape JSON String

Decode a JSON string literal back into readable plain text. Handles escaped quot

Unstringify JSON

Decode a stringified JSON value — complete with escaped quotes and backslashes —

Validate JSON

Free JSON validator that parses your payload and reports a VALID or INVALID stat

YAML to JSON Converter

Convert YAML to clean, valid JSON instantly. Paste YAML from a config file, Kube