Online JSON Tools
Online JSON Tools is the JSON-specific arm of the OnlineTools.com family, hosting 35 focused single-purpose tools for inspecting, transforming, encoding, and analysing JSON data.
Developer Tools(15)
Analyze JSON Structure
Displays a structural analysis of a JSON document — depth, key counts, type distributions.
Censor JSON Data
Removes specified keys or values from a JSON document for sanitisation.
Extract JSON Keys
Pulls a deduplicated list of all keys from a JSON document.
Extract JSON Values
Pulls all values from a JSON document into a flat list.
Flatten JSON Array
Reduces nested JSON arrays to a single flat array.
Flatten JSON Object
Collapses a nested JSON object into a single-level object with dotted keys.
Hide JSON Strings
Rewrites string values using JavaScript escape sequences for obfuscation.
JSON Escape
Escapes special characters in a JSON string for safe embedding.
JSON Screenshot
Captures a styled screenshot of formatted JSON for sharing in docs or social posts.
JSON Stringify
Converts a JavaScript value into its JSON string representation.
JSON Unescape
Removes escape characters from a JSON string.
JSON Unstringify
Parses a JSON string back into a JavaScript-compatible value.
JSON to Image
Renders a JSON document as a PNG, GIF, JPG, or BMP image of the formatted text.
JSON to Plain Text
Flattens a JSON document into plain text, useful for searching or diffing.
Obfuscate JSON
Obfuscates a JSON document by minifying, renaming keys, and removing whitespace.
Data Format Converters(11)
CSV to JSON
Converts CSV tables into JSON arrays of objects with configurable headers.
JSON to BSON
Encodes JSON into Binary JSON (BSON) format used by MongoDB.
JSON to CSV
Converts JSON arrays of objects into comma-separated values with automatic header detection.
JSON to Properties
Converts JSON into a Java .properties file format with dotted key paths.
JSON to TSV
Converts JSON arrays of objects into tab-separated values for spreadsheets.
JSON to XML
Converts JSON into a semantically equivalent XML document.
JSON to YAML
Converts JSON into a YAML document preserving structure and types.
Properties to JSON
Converts Java .properties files back into nested JSON.
TSV to JSON
Converts tab-separated value tables into JSON arrays of objects.
XML to JSON
Converts XML markup into JSON with configurable attribute handling.
YAML to JSON
Converts a YAML document into JSON with configurable indentation.
Code Formatters & Validators(5)
JSON Editor
Browser-based interactive JSON editor with structured tree view and inline edits.
JSON Minifier
Compresses JSON to its smallest serialised form by removing whitespace.
JSON Prettifier
Formats JSON with consistent indentation and line breaks for readability.
JSON Syntax Highlighter
Colour-codes JSON syntax for easier visual inspection.
JSON Validator
Validates JSON syntax with line and column information for any errors.