All Tools
Every tool on Convert2JSON, grouped by what it does. All of them run entirely in your browser — nothing you paste is uploaded. Use the search box to jump straight to the tool you need.
JSON Tools
19 toolsFormat, validate, compare and explore JSON documents without leaving the browser tab.
JSON FormatterPretty-print messy JSON with your choice of indentation and optional key sorting.JSONJSONJSON ValidatorCheck JSON syntax and get the exact line, column and cause of every failure.JSONReportJSON MinifierStrip whitespace from JSON and see exactly how many bytes you saved.JSONJSONJSON ViewerBrowse JSON as a collapsible tree, search keys and values, and copy JSONPath.JSONTreeJSON EditorEdit JSON with line numbers, syntax highlighting and live error markers.JSONJSONJSON CompareDiff two JSON documents structurally and list every added, removed or changed value.JSONDiffJSON Path FinderSearch a JSON document for keys or values and get the JSONPath of every match.JSONJSONPathJSON BeautifierExpand minified JSON into clean, indented, readable output.JSONJSONJSON ParserParse JSON, confirm it is valid, and see it as clean indented output.JSONJSONJSON SorterAlphabetise every object key recursively for stable, comparable JSON.JSONJSONJSON to One LineCollapse a multi-line JSON document onto a single compact line.JSONJSONJSON StringifyWrap a JSON document in an escaped string literal ready to embed in code.JSONStringJSON UnstringifyTurn an escaped JSON string literal back into a real JSON document.StringJSONJSON EscapeEscape any text so it can sit safely inside a JSON string.TextTextJSON UnescapeTurn an escaped JSON string fragment back into plain, readable text.TextTextJSON RepairFix common JSON mistakes — quotes, commas, comments — and get valid output.JSONJSONJSON to JSON SchemaGenerate a JSON Schema that describes the shape of an example document.JSONJSON SchemaJSON Schema ValidatorValidate a JSON document against a JSON Schema and see every error.JSON + SchemaReportJSON TransformerReshape JSON with a safe pipeline of declarative operations — no code.JSONJSON
Converters
20 toolsMove data between JSON, XML, YAML, CSV, TSV, HTML tables and query strings with the options each format actually needs.
JSON to Base64Encode a JSON document as Base64 for transport in tokens, URLs or headers.JSONBase64Base64 to JSONDecode a Base64 string and format the JSON it contains.Base64JSONJSON to SQLGenerate INSERT statements from a JSON array of objects.JSONSQLSQL to JSONParse INSERT statements into a JSON array of row objects.SQLJSONJSON to XMLTurn JSON objects and arrays into well-formed XML with a configurable root element.JSONXMLXML to JSONParse XML into JSON with configurable attribute, text-node and array handling.XMLJSONJSON to YAMLConvert JSON into readable YAML for Kubernetes, CI pipelines and app configuration.JSONYAMLYAML to JSONParse YAML configuration into JSON, with clear errors for indentation mistakes.YAMLJSONJSON to CSVFlatten an array of JSON objects into a spreadsheet-ready CSV file.JSONCSVCSV to JSONParse CSV into a JSON array with delimiter detection and optional type inference.CSVJSONXML to CSVExtract repeating XML records into flat CSV rows for analysis.XMLCSVCSV to XMLTurn CSV rows into XML records with configurable root and row element names.CSVXMLYAML to XMLConvert YAML configuration directly into well-formed XML.YAMLXMLXML to YAMLRead XML documents as YAML, with attributes and text nodes mapped explicitly.XMLYAMLCSV to HTML TableGenerate a clean, accessible HTML table from CSV data.CSVHTMLJSON to HTML TableRender an array of JSON objects as an HTML table with automatic columns.JSONHTMLJSON to TSVExport JSON records as tab-separated values for pasting into spreadsheets.JSONTSVTSV to JSONParse tab-separated data — including clipboard pastes from spreadsheets — into JSON.TSVJSONJSON to Query StringBuild a URL-encoded query string from a JSON object, including nested values.JSONQuery stringQuery String to JSONParse a URL or query string into structured JSON, expanding arrays and nested keys.Query stringJSON
Code Generators
13 toolsTurn a JSON sample into typed models for thirteen languages, with the annotations and naming conventions each ecosystem expects.
JSON to TypeScriptGenerate TypeScript interfaces, types or classes from a JSON sample.JSONTypeScriptJSON to JavaScriptGenerate JavaScript classes or JSDoc typedefs from JSON data.JSONJavaScriptJSON to PythonGenerate dataclasses, TypedDicts or Pydantic models from JSON.JSONPythonJSON to JavaGenerate Java POJOs or records with Jackson, Gson or Lombok annotations.JSONJavaJSON to C#Generate C# classes or records with System.Text.Json or Newtonsoft attributes.JSONC#JSON to GoGenerate Go structs with json tags, omitempty and pointer options.JSONGoJSON to KotlinGenerate Kotlin data classes with kotlinx.serialization or Gson annotations.JSONKotlinJSON to SwiftGenerate Swift structs conforming to Codable, with CodingKeys where needed.JSONSwiftJSON to RustGenerate Rust structs with serde derives and rename attributes.JSONRustJSON to PHPGenerate typed PHP classes with constructor promotion from JSON.JSONPHPJSON to DartGenerate Dart classes with fromJson and toJson methods for Flutter.JSONDartJSON to C++Generate C++ structs with std::optional and std::vector from JSON.JSONC++JSON to CGenerate C structs and typedefs from JSON, with array length fields.JSONC
Developer Tools
20 toolsEncoding, hashing, time, colour, regex and formatting utilities that come up in everyday work.
Base64 EncodeEncode text or files to Base64, with URL-safe and line-wrap options.TextBase64Base64 DecodeDecode Base64 back to text, with automatic URL-safe and padding handling.Base64TextURL EncodePercent-encode text for safe use in URLs, with component and full-URL modes.TextEncoded textURL DecodeDecode percent-encoded URLs and parameters back to readable text.Encoded textTextHTML EncodeEscape HTML special characters so markup and code display as text.TextHTML entitiesHTML DecodeConvert HTML entities back into the characters they represent.HTML entitiesTextJWT DecoderDecode JWT header and payload claims. Signature is not verified.JWTJSONUUID GeneratorGenerate cryptographically random UUID v4 identifiers in bulk.OptionsUUIDTimestamp ConverterConvert between epoch timestamps, ISO 8601 and human-readable dates.TimestampDateUnix Time ConverterWork with Unix epoch time, including arithmetic and timezone comparison.Unix timeDateRegex TesterTest regular expressions live with match highlighting and capture groups.Pattern + textMatchesText DiffCompare two blocks of text line by line and see additions and removals.TextDiffHash GeneratorCompute SHA-1, SHA-256, SHA-384, SHA-512 and CRC32 checksums.TextHashColor ConverterConvert colours between HEX, RGB, HSL and HSV with a contrast check.ColorColorSQL FormatterFormat SQL queries with keyword casing and dialect-aware indentation.SQLSQLHTML FormatterIndent and clean up HTML markup with configurable wrapping.HTMLHTMLCSS FormatterBeautify CSS with consistent indentation, or compact it back down.CSSCSSJavaScript FormatterBeautify JavaScript and JSON-like code with configurable style options.JavaScriptJavaScriptMarkdown PreviewWrite Markdown and see the rendered HTML result side by side.MarkdownHTMLLorem Ipsum GeneratorGenerate placeholder paragraphs, sentences, words or list items.OptionsText