Free developer tools

JSON to YAML Convert JSON data to YAML JSON to CSV Convert JSON data to CSV JSON to TSV Convert JSON data to TSV JSON to XML Convert JSON data to XML JSON to TOML Convert JSON data to TOML JSON to TOON Convert JSON data to TOON JSON to JSON Schema Generate a JSON Schema from sample JSON YAML to JSON Convert YAML data to JSON YAML to CSV Convert YAML data to CSV YAML to TSV Convert YAML data to TSV YAML to XML Convert YAML data to XML YAML to TOML Convert YAML data to TOML YAML to TOON Convert YAML data to TOON CSV to JSON Convert CSV data to JSON CSV to YAML Convert CSV data to YAML CSV to TSV Convert CSV data to TSV CSV to XML Convert CSV data to XML CSV to TOML Convert CSV data to TOML CSV to TOON Convert CSV data to TOON CSV to HTML Table Convert CSV data to HTML Table TSV to JSON Convert TSV data to JSON TSV to YAML Convert TSV data to YAML TSV to CSV Convert TSV data to CSV TSV to XML Convert TSV data to XML TSV to TOML Convert TSV data to TOML TSV to TOON Convert TSV data to TOON TSV to HTML Table Convert TSV data to HTML Table XML to JSON Convert XML data to JSON XML to YAML Convert XML data to YAML XML to CSV Convert XML data to CSV XML to TSV Convert XML data to TSV XML to TOML Convert XML data to TOML XML to TOON Convert XML data to TOON XML to XSD Convert XML data to XSD TOML to JSON Convert TOML data to JSON TOML to YAML Convert TOML data to YAML TOML to CSV Convert TOML data to CSV TOML to TSV Convert TOML data to TSV TOML to XML Convert TOML data to XML TOML to TOON Convert TOML data to TOON TOON to JSON Convert TOON data to JSON TOON to YAML Convert TOON data to YAML TOON to CSV Convert TOON data to CSV TOON to TSV Convert TOON data to TSV TOON to XML Convert TOON data to XML TOON to TOML Convert TOON data to TOML

JSON to TypeScript Generate TypeScript interfaces from JSON JSON to Go Generate Go structs from JSON JSON to Java Generate Java classes from JSON JSON to C# Generate C# classes from JSON JSON to Python Generate Python dataclasses from JSON JSON to Dart Generate Dart classes from JSON JSON to Kotlin Generate Kotlin data classes from JSON JSON to Swift Generate Swift Codable structs from JSON

cURL to Python Turn cURL commands into Python (requests) code cURL to JavaScript Turn cURL commands into JavaScript (fetch) code cURL to TypeScript Turn cURL commands into TypeScript (fetch) code cURL to Go Turn cURL commands into Go (net/http) code cURL to PHP Turn cURL commands into PHP (cURL) code cURL to Ruby Turn cURL commands into Ruby (Net::HTTP) code cURL to Java Turn cURL commands into Java (HttpClient) code cURL to C# Turn cURL commands into C# (HttpClient) code cURL to Swift Turn cURL commands into Swift (URLSession) code cURL to Kotlin Turn cURL commands into Kotlin (OkHttp) code cURL to Rust Turn cURL commands into Rust (reqwest) code

JSON Formatter Pretty-print and beautify JSON XML Formatter Pretty-print and indent XML SQL Formatter Beautify SQL queries for many dialects TOML Formatter Normalize and tidy TOML files TOON Formatter Normalize TOON for LLM prompts YAML Formatter Re-indent and normalize YAML JSON Minifier Compress JSON by removing whitespace XML Minifier Compress XML by removing whitespace TOML Minifier Compress TOML by removing whitespace

JSON Validator Check JSON syntax and find errors YAML Validator Check YAML syntax and find errors XML Validator Check XML syntax and find errors TOML Validator Check TOML syntax and find errors TOON Validator Check TOON syntax and find errors

JSON Viewer Explore JSON as a collapsible tree YAML Viewer Explore YAML as a collapsible tree XML Viewer Explore XML as a collapsible tree TOML Viewer Explore TOML as a collapsible tree TOON Viewer Explore TOON as a collapsible tree CSV Viewer View CSV as a sortable table TSV Viewer View TSV as a sortable table

Base64 Encoder Encode text to Base64 Base64 Decoder Decode Base64 back to text URL Encoder Percent-encode text for URLs URL Decoder Decode percent-encoded URLs HTML Entity Encoder Escape text into HTML entities HTML Entity Decoder Unescape HTML entities to text Text to Hex Convert ASCII/UTF-8 text to hex Hex to Text Convert hex bytes to ASCII/UTF-8 text Backslash Escape Escape quotes, newlines and tabs Backslash Unescape Turn \n, \t and \" back into text JWT Decoder Decode JSON Web Token header and payload

Hash Generator Generate MD5, SHA-1, SHA-256 and SHA-512 at once MD5 Hash Generator Calculate the MD5 hash of text SHA-1 Hash Generator Calculate the SHA-1 hash of text SHA-256 Hash Generator Calculate the SHA-256 hash of text SHA-384 Hash Generator Calculate the SHA-384 hash of text SHA-512 Hash Generator Calculate the SHA-512 hash of text

Text Case Converter See text in every case at once camelCase Converter Convert text to camelCase (myVariableName) PascalCase Converter Convert text to PascalCase (MyVariableName) snake_case Converter Convert text to snake_case (my_variable_name) kebab-case Converter Convert text to kebab-case (my-variable-name) CONSTANT_CASE Converter Convert text to CONSTANT_CASE (MY_VARIABLE_NAME) Title Case Converter Convert text to Title Case (My Variable Name) Sentence case Converter Convert text to Sentence case (My variable name) UPPERCASE Converter Convert text to UPPERCASE (MY VARIABLE NAME) lowercase Converter Convert text to lowercase (my variable name) dot.case Converter Convert text to dot.case (my.variable.name)

UUID Generator Generate random v4 UUIDs in bulk UUID v7 Generator Generate time-ordered v7 UUIDs ULID Generator Generate sortable ULIDs Lorem Ipsum Generator Generate placeholder paragraphs, sentences or words

Unix Timestamp Converter Convert epoch time to dates and back Cron Expression Parser Explain cron schedules in plain English Color Converter Convert between HEX, RGB, HSL, HSV and CMYK Regex Tester Test regular expressions with live highlighting Diff Checker Compare two texts and highlight changes Markdown Preview Live-preview GitHub-flavored Markdown HTML Preview Render HTML and CSS live QR Code Generator Create QR codes from text or URLs