Developer Tools
Useful utilities for software developers and engineers.
CSP Header Analyzer
Analyze your Content Security Policy (CSP) header value. Detect insecu...
Cron Expression Validator
Validate a cron expression (5-field or 6-field) and check each field's...
YAML to TOML Converter
Transform YAML configuration files into TOML format....
curl to JavaScript Fetch Converter
Transform a curl command into equivalent JavaScript fetch() API call c...
TOML Formatter
Reformat TOML files with consistent key ordering and section header sp...
SQL Formatter / Beautifier
Reformat SQL queries with proper indentation and consistent keyword ca...
curl Command Formatter
Reformat and prettify curl commands by adding line continuation charac...
SQL INSERT to CSV Converter
Parses SQL INSERT statements and extracts the inserted values as CSV d...
INI to JSON Converter
Parses INI configuration files and converts them to nested JSON object...
Regex Explainer
Parses and explains a regular expression pattern in plain English....
Semantic Version Parser
Parses a semantic version string (e.g., 2.1.0-beta.1+build.123) into i...
.env to JSON Converter
Parses a .env configuration file (KEY=VALUE) and converts it to a vali...
HTTP Status Code Lookup
Looks up HTTP status codes and returns reason phrases, definitions, an...
Semantic Version Incrementer
Increments a semantic version string (major, minor, or patch) per SemV...
TypeScript Type Generator
Generates TypeScript type definitions from raw JSON or data structures...
tsconfig.json Generator
Generates tsconfig.json configuration files for TypeScript projects....
Content-Type Header Generator
Generates correct Content-Type HTTP headers for common MIME and file t...
ESLint Config Generator
Generates ESLint configuration files (.eslintrc.json or eslint.config....
HTTP Request Builder
Generates raw HTTP/1.1 request text from structured method, URL, heade...
Semantic Version Range Formatter
Formats semantic version range constraint expressions for various pack...
SQL CREATE TABLE from CSV
Analyzes CSV headers and data rows to generate a valid SQL CREATE TABL...
.gitignore Generator
Generate custom .gitignore files by selecting pre-defined templates fo...
YAML Formatter / Beautifier
Format, clean, indent, and beautify YAML content to ensure correct ind...
HTTP Header Formatter
Format, beautify, and parse raw HTTP request or response headers into ...
Protobuf Schema Formatter
Clean, indent, and format Protocol Buffer schema definitions (.proto f...
Authorization Header Formatter
Format and generate standard authorization headers (Bearer, Basic, API...
Git Commit Message Formatter
Format raw commit descriptions into standard Conventional Commits form...
OpenAPI YAML Formatter
Format and validate OpenAPI (Swagger) YAML specification files, standa...
Package.json Formatter
Format and validate Node.js package.json files, ordering fields in a s...
.env File Formatter
Format, validate, and sort .env configuration files, checking for dupl...
Makefile Formatter
Format Makefile syntax, replacing spaces with required tab characters ...
GraphQL Query Formatter
Format and indent GraphQL query and mutation strings for readability....
Dockerfile Formatter
Format a Dockerfile by capitalizing instructions and cleaning spacing ...
JSON Web Token (JWT) Decoder
Decode and display the three components (header, payload, signature) o...
YAML to JSON Converter
Convert YAML files to formatted JSON....
XML to JSON Converter
Convert XML data to JSON format online....
TOML to YAML Converter
Convert TOML configuration files to YAML format....
HTML to JSX Converter
Convert standard HTML code to React JSX syntax (class to className, se...
HTML to Email HTML Converter
Convert and inline styles in HTML code for maximum email client compat...
CSS to LESS Converter
Convert standard CSS styles to LESS styles with variables and simple n...
CSV to SQL INSERT Statements
Convert CSV data into SQL INSERT statement syntax. Uses the first row ...
JSON to .env Converter
Convert a flat JSON object into .env (dotenv) format with KEY=VALUE pa...
curl to Python Requests Converter
Convert a curl command-line instruction into equivalent Python request...
Base64 to Binary Data URI Formatter
Convert a base64 string into a complete data URI by prepending the cor...
SQL Minifier
Optimize SQL queries by removing comments, stripping redundant whitesp...
GraphQL Schema Formatter
Beautify GraphQL schema definition language (SDL) with consistent form...
Postman Collection JSON Formatter
Beautify and validate Postman collection JSON files. Formats the neste...