jsonkits --list | wc -l384
JSON tools
for developers.
Format, validate, convert, diff and generate JSON without shipping your payload to someone else’s server. Everything runs in this tab.
- 384
- tools
- 0
- bytes uploaded
- $0
- forever
Speaks
- YAML
- CSV
- XML
- TOML
- INI
- TSV
- XLSX
- Markdown
- Protobuf
- Avro
- CBOR
- MsgPack
- BSON
- NDJSON
- GraphQL
- OpenAPI
- Postman
- cURL
- TypeScript
- Go
- Rust
- Swift
- Kotlin
- Python
- Java
- C#
- Dart
- Zod
- SQL
- MongoDB
- Firestore
- Kubernetes
- Terraform
- GeoJSON
- JWT
- HAR
- +40 more
Pick a job
The number is how many tools cover it.
Most used
JSON FormatterBeautify and pretty-print your JSON with customizable indentation.JSON ValidatorCheck if your JSON is valid and get detailed error messages.JSON MinifierCompress JSON by removing whitespace to reduce file size.JSON Diff CheckerCompare two JSON objects and see the differences.JSON to YAMLConvert JSON data to YAML format for configuration files.JSON to CSVTransform JSON arrays into CSV spreadsheets.JSON to TypeScriptGenerate TypeScript interfaces from JSON samples.XML to JSONConvert XML documents into structured JSON format.
Every tool
Filter by job or search by format name.
Showing 384 of 384
JSON FormatterBeautify and pretty-print your JSON with customizable indentation.JSON ValidatorCheck if your JSON is valid and get detailed error messages.JSON ViewerView and explore JSON data in a readable tree structure.JSON MinifierCompress JSON by removing whitespace to reduce file size.JSON Diff CheckerCompare two JSON objects and see the differences.JSON to YAMLConvert JSON data to YAML format for configuration files.YAML to JSONConvert YAML configuration files to JSON format.JSON to CSVTransform JSON arrays into CSV spreadsheets.CSV to JSONConvert CSV data into structured JSON format.JSON to XMLConvert JSON data to XML format for SOAP APIs and legacy systems.XML to JSONConvert XML documents into structured JSON format.JSON to TOMLConvert JSON to TOML format for Rust and Python project configs.TOML to JSONConvert TOML configuration files to JSON format.JSON to INIConvert JSON data to INI configuration format.INI to JSONConvert INI configuration files to JSON format.JSON to PropertiesConvert JSON to Java .properties format.Properties to JSONConvert Java .properties files to JSON format.JSON to TSVTransform JSON arrays into tab-separated values.TSV to JSONConvert tab-separated values to structured JSON format.JSON to HTML TableConvert JSON data to an HTML table.HTML Table to JSONConvert HTML tables to structured JSON format.JSON to Markdown TableConvert JSON data to a Markdown table.Markdown Table to JSONConvert Markdown tables to structured JSON format.JSON to Plain TextFlatten JSON objects into plain key: value text.Plain Text to JSONConvert key: value text back into JSON format.JSON to TypeScriptGenerate TypeScript interfaces from JSON samples.JSON to PythonGenerate Python dataclasses from JSON samples.JSON to GoGenerate Go structs with JSON tags from JSON samples.JSON to JavaGenerate Java POJO classes from JSON samples.JSON to C#Generate C# classes with JSON attributes from JSON samples.JSON to PHP ArrayConvert JSON to PHP array syntax.JSON to PHP ClassGenerate PHP classes with getters/setters from JSON.JSON to KotlinGenerate Kotlin data classes from JSON samples.JSON to SwiftGenerate Swift Codable structs from JSON samples.JSON to DartGenerate Dart model classes from JSON samples.JSON to RustGenerate Rust structs with Serde attributes from JSON.JSON to ScalaGenerate Scala case classes with Play JSON from JSON.JSON to RubyConvert JSON to Ruby hash syntax.JSON to PerlConvert JSON to Perl data structure syntax.JSON to LuaConvert JSON to Lua table syntax.JSON to RConvert JSON to R list syntax.JSON to MATLABConvert JSON to MATLAB struct syntax.TypeScript Interface to JSONGenerate sample JSON data from TypeScript interface definitions.Java Class to JSONGenerate sample JSON data from Java class definitions.C# Class to JSONGenerate sample JSON data from C# class definitions.Python Dict to JSONConvert Python dictionary syntax to JSON format.Go Struct to JSONGenerate sample JSON data from Go struct definitions.PHP Array to JSONConvert PHP array syntax to JSON format.Kotlin to JSONGenerate sample JSON data from Kotlin data class definitions.Swift to JSONGenerate sample JSON data from Swift struct definitions.Dart to JSONGenerate sample JSON data from Dart model class definitions.Rust Struct to JSONGenerate sample JSON data from Rust struct definitions.JSON to Base64Encode JSON data to Base64 format.Base64 to JSONDecode Base64 data back to JSON format.JSON to URL EncodedConvert JSON objects to URL-encoded format.URL Encoded to JSONConvert URL-encoded strings to JSON format.JSON to HexConvert JSON data to hexadecimal string representation.Hex to JSONConvert hexadecimal strings back to JSON format.JSON to Unicode EscapeConvert JSON to Unicode escape sequences.Unicode Escape to JSONConvert Unicode escape sequences to readable JSON.JSON to URL ParametersConvert JSON objects to URL parameter format.URL Parameters to JSONConvert URL parameters back to JSON format.JSON to Query StringConvert JSON objects to query string format.Query String to JSONParse query strings into JSON format.JSON to Form DataConvert JSON objects to URL-encoded form data.Form Data to JSONParse form data back into JSON format.JSON to JSONPConvert JSON to JSONP with callback wrapper.JSONP to JSONExtract JSON from JSONP callback wrappers.JSON to JS ObjectConvert JSON to JavaScript object literal syntax.JS Object to JSONConvert JavaScript object literals to JSON format.JSON to .envConvert JSON objects to .env file format..env to JSONParse .env files back into JSON format.JSON to Docker ComposeConvert JSON data to Docker Compose YAML.Docker Compose to JSONConvert Docker Compose YAML to JSON format.JSON to KubernetesConvert JSON data to Kubernetes manifest YAML.Kubernetes to JSONConvert Kubernetes manifest YAML to JSON format.JSON to TerraformConvert JSON data to Terraform variables format.Terraform to JSONConvert Terraform variables files to JSON format.JSON to SQL INSERTGenerate SQL INSERT statements from JSON data.SQL INSERT to JSONParse SQL INSERT statements into JSON format.JSON to MongoDBConvert JSON data to MongoDB document format.MongoDB to JSONConvert MongoDB documents to standard JSON format.JSON to cURLGenerate cURL commands from JSON request bodies.cURL to JSONExtract JSON request bodies from cURL commands.cURL to FetchConvert cURL commands to modern JavaScript fetch() API calls.cURL to AxiosConvert cURL commands to Axios HTTP client calls.cURL to KyConvert cURL commands to Ky HTTP client calls.JSON to MarkdownConvert JSON data to a Markdown code block with syntax highlighting.Markdown to JSONExtract JSON data from Markdown code blocks.Nested JSON to FlatFlatten deeply nested JSON into dot-notation key-value pairs.Flat JSON to NestedConvert dot-notation flat JSON back to nested structure.JSON to Key-ValueConvert JSON objects to simple key:value pair lines.Key-Value to JSONParse key:value pair lines into structured JSON.JSON to SchemaGenerate a JSON Schema draft-07 from JSON data sample.Schema to JSONGenerate sample JSON data from a JSON Schema definition.JSON to NDJSONConvert a JSON array to newline-delimited JSON format.NDJSON to JSONParse newline-delimited JSON into a JSON array.JSON to GeoJSONConvert JSON data with coordinates to GeoJSON FeatureCollection.GeoJSON to JSONExtract properties from GeoJSON features to standard JSON.JSON EscapeEscape a JSON string for use in source code or queries.JSON UnescapeUnescape a previously escaped JSON string.JSON Sort KeysSort all JSON object keys alphabetically for consistent output.JSON Remove NullsRemove all null values from JSON objects and arrays.JSON Size CalculatorCalculate the byte size, element count, and depth of JSON data.JSON MergeDeep merge two or more JSON objects into one.JSON Depth AnalyzerAnalyze nesting depth, node count, and branching of JSON.JSONPath TesterTest JSONPath expressions against JSON data and see results.JSON to FirestoreConvert JSON data to Firestore document format with typed fields.Firestore to JSONConvert Firestore document format back to standard JSON.JSON to GraphQL SchemaGenerate GraphQL type definitions from JSON data samples.GraphQL Schema to JSONGenerate sample JSON data from GraphQL type definitions.JSON to OpenAPIGenerate OpenAPI 3.0 schema components from JSON samples.OpenAPI to JSONExtract sample JSON data from OpenAPI schema definitions.JSON to BinaryConvert JSON data into binary (0/1) string representation.Binary to JSONConvert binary strings back into readable JSON format.JSON to MermaidGenerate Mermaid.js flowchart diagrams from JSON structures.Mermaid to JSONParse Mermaid flowchart definitions into JSON format.JSON to READMEConvert JSON data to a structured README document.README to JSONExtract JSON data from structured README documents.JSON Object to ArrayConvert JSON objects to arrays of key-value pair objects.Array to JSON ObjectConvert arrays of key-value pairs back to JSON objects.JSON to Tree ViewGenerate a visual indented tree view from JSON data.Tree View to JSONParse indented tree view back into structured JSON.JSON Convert to ObjectTranspose array of objects into object of arrays.JSON Convert to ArrayTranspose object of arrays back into array of objects.JSON Fake Data GeneratorGenerate realistic fake JSON data from a template schema.JSON Mock GeneratorGenerate mock API response data from a type template.JSON Random GeneratorGenerate random JSON data with configurable types and depth.JSON Sample GeneratorGenerate deterministic sample JSON from a type template.JSON StatisticsGet detailed statistics about your JSON data structure.JSON Key CounterCount key frequency and type breakdown across all objects.JSON String AnalyzerAnalyze all string values in JSON for length statistics.JSON FilterFilter JSON to only include specified dot-notation paths.JSON ExtractExtract values from JSON using dot-notation path expressions.JSON Remove EmptyRemove all empty objects and arrays from JSON.JSON Remove DuplicatesRemove duplicate objects from JSON arrays.JSON Detect CircularDetect circular references in JSON data structures.JSON Detect Duplicate KeysDetect duplicate keys within the same object level.JSON Rename KeysRename JSON object keys using a key mapping definition.JSON NormalizeNormalize JSON by sorting keys consistently at all levels.JSON Custom StringifyStringify JSON with configurable indentation and sorting.JSON to InlineConvert JSON to a single-line or custom-indented inline format.JSON Sort ArraysSort array elements (strings and numbers) within JSON.JSON Merge PatchApply RFC 7396 JSON Merge Patch to a target JSON object.JSON SplitSplit a JSON array into smaller chunks of configurable size.JSON Pointer TesterTest RFC 6901 JSON Pointer expressions against JSON data.JSON to PostgreSQLGenerate PostgreSQL CREATE TABLE and INSERT statements from JSON.PostgreSQL to JSONParse PostgreSQL INSERT statements back into JSON format.JSON to MySQLGenerate MySQL CREATE TABLE and INSERT statements from JSON.MySQL to JSONParse MySQL INSERT statements back into JSON format.JSON to SQLiteGenerate SQLite CREATE TABLE and INSERT statements from JSON.SQLite to JSONParse SQLite INSERT statements back into JSON format.JSON to SQL ServerGenerate SQL Server CREATE TABLE and INSERT statements from JSON.SQL Server to JSONParse SQL Server INSERT statements back into JSON format.JSON to OracleGenerate Oracle SQL CREATE TABLE and INSERT statements from JSON.Oracle to JSONParse Oracle SQL INSERT statements back into JSON format.JSON to PostmanGenerate Postman Collection v2.1 from JSON request definitions.Postman to JSONExtract request definitions from Postman Collection JSON.JSON to BSONConvert JSON to MongoDB extended JSON (BSON) format.BSON to JSONConvert MongoDB extended JSON (BSON) back to standard JSON.JSON to GraphvizGenerate Graphviz DOT graph from JSON data structure.Graphviz to JSONParse Graphviz DOT format back into JSON structure.JSONC to JSONStrip comments from JSONC (JSON with Comments) to produce valid JSON.JSON to JSONCAdd inline comments to JSON keys to create JSONC format.JSON EncryptEncrypt JSON data with XOR cipher + Base64 encoding.JSON DecryptDecrypt previously encrypted JSON data back to readable format.JSON Mask DataMask sensitive fields in JSON (passwords, tokens, emails, SSN).JSON LinterLint JSON for style issues, duplicate keys, and naming conventions.JSON RepairAttempt to repair invalid JSON by fixing quotes, trailing commas, and comments.JSON SearchSearch within JSON data for matching values and keys.JSON Type DetectorDetect and report field types across all objects in JSON.JSON CompareCompare two JSON objects to find added, removed, and changed fields.JSON Schema ValidatorValidate JSON data against a JSON Schema (draft-07).JSON Case ConverterConvert JSON key casing between camelCase, snake_case, kebab-case, PascalCase.JSON Date FormatterConvert date strings in JSON between ISO, locale, Unix, and UTC formats.JSON Schema to TypeScriptGenerate TypeScript interfaces from JSON data samples.JSON CopyFormat and copy JSON data to your clipboard with one click.JSON DownloadFormat and download JSON data as a .json file.JSON UploadUpload a .json file and view or process its contents instantly.JSON File ViewerOpen and view any .json file in a readable tree format.JSON Clipboard ViewerView and explore JSON data pasted from your clipboard.JSON ExplorerInteractively explore JSON data with expandable tree view.JSON ExpandExpand minified JSON to a beautifully formatted tree view.JSON CollapseCollapse formatted JSON to a compact single-line format.JSON Extract ObjectsExtract all object nodes from JSON data into a flat list.JSON Extract ArraysExtract all array nodes from JSON data into a flat list.JSON DenormalizeRandomize key order in JSON objects to denormalize the structure.JSON Pointer GeneratorGenerate RFC 6901 JSON Pointers for every node in your JSON.JSON Compress (Deflate)Compress JSON data using Deflate algorithm and output Base64.JSON Decompress (Inflate)Decompress previously Deflate-compressed JSON from Base64.JSON GzipGzip-compress JSON data and output Base64-encoded result.JSON GunzipDecompress Gzip-compressed JSON from Base64 back to readable text.JSON Version DiffCompare two versions of JSON data side by side with change tracking.JSON Patch GeneratorGenerate RFC 6902 JSON Patch operations between two JSON objects.JSON Patch ValidatorValidate RFC 6902 JSON Patch operation lists for correctness.JSON to Excel (XLSX)Convert JSON data to a downloadable Excel XLSX spreadsheet.Excel (XLSX) to JSONConvert Excel XLSX files back into structured JSON format.JSON URL ViewerFetch and display JSON data from a remote URL endpoint.JSON Merge FilesMerge multiple JSON objects pasted as separate blocks into one.JSON to QR CodeGenerate a QR code image from any JSON data.JSON to SVG ImageRender JSON data as a syntax-highlighted SVG image.JSON to PDFGenerate a downloadable PDF document from JSON data.JSON Value AnalyzerAnalyze value frequency and distribution across JSON fields.JSON Collection CounterCount field presence, types, and nulls across array items.JSON Array DiffCompare two JSON arrays to find added, removed, and unchanged items.JSON to SwaggerGenerate Swagger 2.0 API definitions from JSON data samples.Swagger to JSONExtract sample JSON data from Swagger 2.0 API definitions.JSON to WordConvert JSON data to a downloadable Word document format.Word to JSONExtract JSON data from Word document content.PDF to JSONExtract text content from PDF data and structure it as JSON.QR Code to JSONDecode QR code text data back into structured JSON format.JSON to BarcodeGenerate a Code 39 barcode SVG image from your JSON data.Barcode to JSONExtract JSON data from barcode text content.Image to JSON (OCR)Extract JSON-like data structures from recognized text content.JSON to Python DictGenerate Python dictionary literal syntax from JSON samples.Fake Data to JSONInfer a template schema from JSON data for regeneration.JSON SliceExtract a sub-array slice from JSON arrays by start and end indices.Extract KeysExtract all unique object keys from JSON data.Extract ValuesExtract all values from JSON data with unique count.Extract Nested ObjectsExtract all nested objects from JSON into a flat list.JSON Array CounterCount all arrays in JSON and report their sizes and nesting.JSON Schema GeneratorGenerate a JSON Schema (draft-07) from JSON data samples.Validate Uploaded JSONValidate JSON data from file uploads with detailed feedback.Convert JSON FileProcess and analyze JSON file contents with size and type info.JSON Live PreviewPreview JSON data with real-time structure analysis and formatting.JSON to HaskellGenerate Haskell data type definitions from JSON data samples.JSON to ElmGenerate Elm type aliases from JSON data samples.JSON to OCamlGenerate OCaml type definitions with Yojson deriving from JSON samples.JSON to ZigGenerate Zig struct definitions with JSON support from JSON data samples.Array JSON to Object JSONTranspose an array of objects into an object of arrays.Object JSON to Array JSONTranspose an object of arrays back into an array of objects.JSON DeflateCompress JSON using the Deflate algorithm to Base64.JSON InflateDecompress previously Deflate-compressed JSON from Base64.Fetch JSON from URLFetch and display JSON data from any REST API URL endpoint.API JSON ViewerView and explore JSON responses from REST API endpoints.JSON BeautifierBeautify and format JSON with proper indentation for readability.JSON Pretty PrintPretty-print JSON data with customizable indentation.JSON CompactCompact JSON by removing all whitespace for minimal file size.JSON IndenterApply custom indentation (spaces or tabs) to your JSON data.JSON Syntax CheckerCheck JSON syntax and get detailed error messages for invalid input.JSON FixerFix common JSON errors like trailing commas, missing quotes, and single quotes.Invalid JSON RepairRepair malformed JSON by detecting and fixing common syntax issues.JSON Tree ViewerVisualize JSON data as an interactive tree structure.JSON to Python DataclassGenerate Python dataclass definitions from JSON data samples.JSON to CGenerate C struct definitions with JSON parsing support from JSON data samples.JSON to C++Generate C++ class definitions with JSON serialization support from JSON data samples.JSON to GroovyGenerate Groovy class definitions with JSON parsing support from JSON data samples.JSON to ElixirGenerate Elixir struct definitions with JSON encoding support from JSON data samples.JSON to PowerShellGenerate PowerShell custom object and hashtable syntax from JSON data for scripting.JSON to F#Generate F# record type definitions with JSON serialization support from JSON data samples.JSON to JuliaGenerate Julia struct definitions with JSON parsing support from JSON data samples.JSON to MessagePackConvert JSON data to MessagePack binary format for compact data storage and transmission.MessagePack to JSONConvert MessagePack binary format back into readable JSON format for inspection and debugging.JSON to CBORConvert JSON data to CBOR (Concise Binary Object Representation) format for compact binary encoding.CBOR to JSONConvert CBOR (Concise Binary Object Representation) binary data back into readable JSON format.JWT DecoderDecode JSON Web Tokens (JWT) to inspect header, payload, and signature information.JWT EncoderCreate JSON Web Tokens (JWT) by encoding header and payload with HS256 or HS512 signing algorithms.JWT ValidatorValidate JSON Web Tokens (JWT) by verifying signature, expiration (exp), and other standard claims.JSON Hash GeneratorGenerate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) of your JSON data for integrity verification.JMESPath TesterTest JMESPath query expressions against JSON data and see results. JMESPath is used by AWS CLI and Azure CLI.JSON to HTMLConvert JSON data to a formatted HTML document with syntax highlighting and collapsible sections.JSON Property Path FinderFind all property paths in JSON data with their types and example values for data structure exploration.JSON Number ConverterConvert numbers in JSON between decimal, hexadecimal, octal, binary, and scientific notation formats.JSON to SQL CREATE TABLEGenerate SQL CREATE TABLE statements from JSON data samples for major database engines.JSON to Elasticsearch BulkConvert JSON data to Elasticsearch bulk indexing format for efficient data ingestion.JSON to DynamoDBConvert JSON data to Amazon DynamoDB JSON format with typed attribute values.JSON to BigQuery SchemaGenerate Google BigQuery schema definitions from JSON data samples for data warehouse table design.JSON to Redis CommandsConvert JSON data to Redis JSON.SET commands for storing JSON documents using RedisJSON.JSON to MongoDB AggregationGenerate MongoDB aggregation pipeline stages from JSON data queries for database operations.JSON Schema to JavaGenerate Java POJO classes with validation annotations from JSON Schema (draft-07) definitions.JSON Schema to PydanticGenerate Python Pydantic model classes with validation rules from JSON Schema (draft-07) definitions.JSON to XSDGenerate XML Schema Definition (XSD) from JSON data samples for enterprise XML data validation.JSON to SOAP XMLConvert JSON data to SOAP XML envelope format for enterprise web service integration.JSON to AsyncAPIGenerate AsyncAPI 2.0 channel definitions from JSON data samples for event-driven API documentation.JSON to GraphQL QueryGenerate GraphQL queries from JSON data structure templates for rapid API development.JSON to ErlangGenerate Erlang record definitions and term syntax from JSON data samples.JSON to ClojureGenerate Clojure data structure syntax from JSON data samples for functional programming.JSON to Objective-CGenerate Objective-C class interfaces with properties from JSON data samples.JSON to FortranGenerate Fortran derived type definitions from JSON data samples.JSON to COBOLGenerate COBOL data division structures from JSON data samples.JSON to SASGenerate SAS data step code from JSON data samples for statistical analysis.JSON to SQL UPDATEGenerate SQL UPDATE statements from JSON data for database record modifications.JSON to SQL DELETEGenerate SQL DELETE statements with WHERE clauses from JSON data for record removal.JSON to GraphQL MutationGenerate GraphQL mutation definitions from JSON data structure templates.JSON to GraphQL SubscriptionGenerate GraphQL subscription definitions from JSON data for real-time APIs.JSON to SnowflakeGenerate Snowflake INSERT statements from JSON data for cloud data warehouse ingestion.JSON to PrometheusConvert JSON data to Prometheus metric format with gauge metrics for monitoring.JSON to Zod SchemaGenerate Zod validation schemas from JSON data samples for TypeScript runtime validation.JSON to Yup SchemaGenerate Yup validation schemas from JSON data samples for JavaScript form validation.JSON to React Hook FormGenerate React Hook Form code with validation rules from JSON data samples.JSON to FormikGenerate Formik form code with Yup validation from JSON data samples.JSON to Prisma SchemaGenerate Prisma ORM models from JSON data samples for Node.js/TypeScript database schemas.JSON to Mongoose SchemaGenerate Mongoose ODM schemas from JSON data samples for MongoDB/Node.js applications.JSON to TypeScript EnumGenerate TypeScript enum definitions from JSON constant objects for strongly-typed code.JSON to TypeScript Type GuardGenerate TypeScript type guard functions for runtime type checking of JSON data structures.JSON to Pydantic v2Generate Pydantic v2 BaseModel classes from JSON data samples for Python data validation.JSON to SQLAlchemy ModelGenerate SQLAlchemy ORM model classes from JSON data samples for Python database schemas.Path Notation ConverterConvert between JSONPath, JSON Pointer (RFC 6901), and JMESPath query notations.JSON Schema DiffCompare two JSON Schemas and report structural differences including added, removed, and changed properties.JSON Data AnonymizerAnonymize sensitive data in JSON including emails, passwords, tokens, phone numbers, and other PII fields.JSON to ANSI ColorizedRender JSON data with ANSI color codes for syntax-highlighted terminal output.JSON EditorEdit and modify JSON data with syntax highlighting.JSON ParserParse JSON data and get detailed structure information.JSON StringifyBeautify and stringify JSON data with proper indentation.JSON Token CounterEstimate token count of JSON data for LLM models.JSON Path FinderDiscover all JSONPath expressions for every node in JSON data.JSON-LD ValidatorValidate JSON-LD structured data for required fields.package.json ValidatorValidate package.json files for npm publishing.tsconfig.json ValidatorValidate tsconfig.json for TypeScript configuration.composer.json ValidatorValidate composer.json for PHP package structure.HAR ViewerView and analyze HTTP Archive (HAR) files.GeoJSON ViewerView and analyze GeoJSON data with structure info.JSON Table ViewerView JSON data in an easy-to-read HTML table format.JSON Graph ViewerVisualize JSON data as an ASCII tree graph.Lottie JSON ViewerView and analyze Lottie animation JSON metadata.JSON to POJOGenerate Java POJO classes with Jackson annotations from JSON.JSON5 to JSONConvert JSON5 format with comments to standard JSON.JSON to JSON5Convert standard JSON to JSON5 format with unquoted keys.JSONL to JSONConvert JSON Lines (JSONL/NDJSON) to JSON array.JSON to JSONLConvert JSON array to JSON Lines (JSONL) format.JSON to ParquetConvert JSON to Apache Parquet schema representation.Parquet to JSONConvert Parquet schema to sample JSON data.PList to JSONConvert Apple Property List (PList) XML to JSON.JSON to PListConvert JSON to Apple Property List (PList) XML format.HAR to JSONExtract structured JSON from HTTP Archive files.JSON i18n TranslatorFlatten and analyze JSON i18n translation files.JSON to FreezedGenerate Dart Freezed data classes from JSON.JSON to ApexGenerate Salesforce Apex classes from JSON.JSON to LaTeX TableGenerate LaTeX tabular tables from JSON data.JSON to HTML TableConvert JSON data to an HTML table.JSON to ChartCreate ASCII bar chart visualizations from JSON data.SRT to JSONConvert SRT subtitle files to structured JSON.JSON to SRTConvert JSON subtitle data to SRT file format.M3U to JSONConvert M3U playlist files to structured JSON.JSON to M3UConvert JSON playlist data to M3U format.KML to GeoJSONConvert Google Earth KML to GeoJSON format.GeoJSON to KMLConvert GeoJSON to Google Earth KML format.GPX to JSONConvert GPX GPS data to structured JSON.iCal to JSONConvert iCalendar files to structured JSON.JSON to iCalConvert JSON events to iCalendar format.RSS to JSONParse RSS feeds into structured JSON.JSON to RSSConvert JSON data to RSS 2.0 XML feed.JSON to PandasGenerate Python Pandas DataFrame code from JSON.JSON to PySpark SchemaGenerate PySpark StructType schema from JSON.JSON to Hive DDLGenerate Hive DDL CREATE TABLE from JSON.JSON to DBMLGenerate DBML schema definitions from JSON.JSON to PlantUMLGenerate PlantUML class diagrams from JSON.JSON to VBAGenerate VBA class modules from JSON data.JSON to DelphiGenerate Delphi Pascal classes from JSON.JWK to PEMConvert JSON Web Key to PEM format.PEM to JWKConvert PEM key format to JWK metadata.Sitemap to JSONParse XML sitemaps to structured JSON.JSON-LD GeneratorGenerate JSON-LD structured data with schema.org context.Schema Markup GeneratorGenerate schema.org JSON-LD markup with script tags.JSON Form GeneratorGenerate HTML form markup from JSON structure.manifest.json GeneratorGenerate PWA Web App Manifest JSON.JSON to SitemapGenerate XML sitemaps from JSON data.PO to JSONConvert GNU Gettext PO files to structured JSON.JSON to POConvert JSON translation files to Gettext PO format.XLIFF to JSONConvert XLIFF translation files to structured JSON.ARB to JSONConvert Flutter ARB resource bundles to clean JSON.JSON to iOS .stringsConvert JSON translations to iOS .strings format.strings.xml to JSONConvert Android strings.xml to structured JSON.vCard to JSONConvert vCard contact files to structured JSON.JSON to vCardConvert JSON contact data to vCard format.JSON Resume BuilderBuild standardized JSON Resume following the schema.Bookmarks to JSONExtract bookmarks from HTML exports to JSON.JSON to Laravel MigrationGenerate Laravel migration files from JSON.JSON to Django ModelGenerate Django model classes from JSON.JSON to Rails MigrationGenerate Rails migration files from JSON.JSON to Spring EntityGenerate Spring JPA entity classes from JSON.JSON to Valibot SchemaGenerate Valibot validation schemas from JSON.JSON to io-tsGenerate io-ts runtime type codecs from JSON.JSON Log ViewerParse and view JSON log entries with structure.JSON Timestamp ConverterDetect and convert timestamps between formats.JSON ObfuscatorObfuscate JSON field names and values.JSON Feed ValidatorValidate JSON Feed format specification.JSON to InsomniaGenerate Insomnia REST client export from JSON.WKT to GeoJSONConvert Well-Known Text geometry to GeoJSON.TopoJSON to GeoJSONConvert TopoJSON topology to GeoJSON format.JSON to Protocol BuffersEncode JSON data into Protocol Buffers binary format using a .proto schema.Protocol Buffers to JSONDecode Protocol Buffers binary format back into readable JSON using a .proto schema.JSON to Apache AvroEncode JSON data into Apache Avro binary format using an Avro schema.Apache Avro to JSONDecode Apache Avro binary data back into readable JSON using an Avro schema.
Why it stays local
JSONKits is a static site. There is no upload endpoint, no queue and no database — the conversion logic is JavaScript that ships with the page and runs on your machine.
how it works- Nothing is uploaded
- Every conversion runs in your tab. Safe for production payloads and customer data.
- No round-trip latency
- Results appear as fast as your machine can parse them — no queue, no cold start.
- No account, no limits
- No sign-up, no quota, no paywalled formats. Open a tool and use it.
- Built for real payloads
- Drag in a file, share a link, replay from history, and keep the editor open all day.
Learn JSON
Syntax, common errors, and how JSON compares to other formats.
5 min read
Getting Started with JSON: A Beginner's Guide
Learn the basics of JSON — what it is, its syntax, data types, and how to start using it in your projects. Free online JSON tools included.
9 min readJSON vs YAML: When to Use Each Format
Compare JSON and YAML data serialization formats. Learn the differences, pros and cons, and best use cases for each. Free online converter included.
6 min readCommon JSON Mistakes and How to Avoid Them
Discover the most frequent JSON errors developers make and learn how to avoid them. Free JSON validator and repair tools included.
Frequently asked
What is JSONKits?
JSONKits is a free collection of 384+ browser-based JSON tools for developers — formatters, validators, viewers, converters, generators, and comparison tools. Everything runs entirely in your browser using JavaScript and WebAssembly.
Is JSONKits free to use?
Yes, every tool on JSONKits is completely free with no subscriptions, usage limits, or credit card required.
Is my data uploaded to a server?
No. All processing happens 100% client-side in your browser. Your JSON, CSV, YAML, or other data is never sent to, stored on, or seen by any server — which makes JSONKits safe to use with sensitive or proprietary data.
Do I need to create an account?
No sign-up is required. Open any tool and start using it immediately.
What is JSON used for?
JSON (JavaScript Object Notation) is a lightweight, text-based data format used to exchange data between servers, APIs, mobile apps, and web applications. It is the standard format for REST APIs, configuration files, and NoSQL databases like MongoDB.
How is JSON different from YAML or XML?
JSON is more compact and easier to parse than XML, while YAML is more human-readable and supports comments, which JSON does not. All three are used for data serialization, but JSON is the most widely supported across programming languages and web APIs. See our JSON vs YAML and JSON vs XML guides for a full comparison.
Can I use JSONKits tools offline or without an internet connection?
Once a tool page has loaded, all conversion and formatting logic runs locally in your browser, so most tools continue to work without a live network connection.
How many tools does JSONKits offer?
JSONKits currently offers 384 tools across formatters, validators, viewers, converters, generators, and compare utilities, covering formats like YAML, XML, CSV, TypeScript, SQL, and many more.