All developer tools
Every tool is free, works entirely in your browser, and never uploads your data.
50 tools
JSON Path FinderPopularFeaturedPaste JSON and instantly see every path in dot, bracket or JSONPath notation — click any path to copy it.JSON & Data ToolsJSON Flatten & UnflattenPopularFlatten nested JSON into single-level dot-notation keys — or rebuild nested JSON from flat keys.JSON & Data ToolsJSON Escape / UnescapeEscape text for safe embedding inside JSON strings, or decode escaped JSON strings back to readable text.JSON & Data ToolsJSON to TypeScript InterfacePopularFeaturedPaste JSON and get clean TypeScript interfaces — with merged array shapes and optional-property detection.JSON & Data ToolsJSON to PHP ArrayConvert JSON into ready-to-paste PHP array syntax — short [] or classic array(), with your preferred indentation.JSON & Data ToolsNested JSON to CSVPopularFlatten an array of nested JSON objects into a clean CSV with dot-notation column headers.JSON & Data ToolsCSV to Nested JSONTurn CSV with dot-notation headers back into nested JSON objects and arrays — with automatic type detection.JSON & Data ToolsJSON Key-Value ExtractorPull every value for a given key from anywhere in a JSON document — with full paths or as a clean array.JSON & Data ToolsJSON Duplicate Key DetectorFind duplicate keys that JSON.parse silently swallows — with exact line and column numbers.JSON & Data ToolsJSON Schema Example GeneratorGenerate a realistic example JSON document from any JSON Schema — formats, enums, defaults and all.JSON & Data ToolscURL to Fetch ConverterPopularFeaturedPaste any cURL command and get clean JavaScript fetch() code — headers, body, auth and all.API & Backend ToolscURL to Axios ConverterTurn cURL commands into Axios request configs with headers, data, auth and error handling.API & Backend Tools