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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.
Displays a structural analysis of a JSON document — depth, key counts, type distributions.
Removes specified keys or values from a JSON document for sanitisation.
Pulls a deduplicated list of all keys from a JSON document.
Pulls all values from a JSON document into a flat list.
Reduces nested JSON arrays to a single flat array.
Collapses a nested JSON object into a single-level object with dotted keys.
Rewrites string values using JavaScript escape sequences for obfuscation.
Escapes special characters in a JSON string for safe embedding.
Captures a styled screenshot of formatted JSON for sharing in docs or social posts.
Converts a JavaScript value into its JSON string representation.
Removes escape characters from a JSON string.
Parses a JSON string back into a JavaScript-compatible value.
Renders a JSON document as a PNG, GIF, JPG, or BMP image of the formatted text.
Flattens a JSON document into plain text, useful for searching or diffing.
Obfuscates a JSON document by minifying, renaming keys, and removing whitespace.
Converts CSV tables into JSON arrays of objects with configurable headers.
Encodes JSON into Binary JSON (BSON) format used by MongoDB.
Converts JSON arrays of objects into comma-separated values with automatic header detection.
Converts JSON into a Java .properties file format with dotted key paths.
Converts JSON arrays of objects into tab-separated values for spreadsheets.
Browser-based interactive JSON editor with structured tree view and inline edits.
Compresses JSON to its smallest serialised form by removing whitespace.
Formats JSON with consistent indentation and line breaks for readability.
Colour-codes JSON syntax for easier visual inspection.
Validates JSON syntax with line and column information for any errors.