Dev Utilities

Generate QR codes with advanced customization, logos, batch processing and developer tools

Generate all types of barcodes - EAN, UPC, Code 128, QR codes, Data Matrix and more with customization

Professional color picker with palettes, contrast checker and format conversion

Advanced JSON validation with schema support, error reporting, and security checks

Compare files and code with advanced diff features and syntax highlighting

Convert times between timezones and plan meetings across the world at a glance

Convert numbers between binary, octal, decimal, hex and any base 2–36 with signed and bit-width options

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats with palette generation and contrast checker

Advanced list comparison with set operations, fuzzy matching, and developer-friendly output formats

Generate a JSON Schema from a JSON sample — merged array items, detected formats, draft-07 or 2020-12

Convert JSON to CSV with advanced formatting, flattening, and column mapping options

Convert cURL commands to PHP code using Guzzle, native cURL extension, or file_get_contents

Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more

Minify, beautify and optimize JavaScript code with ES6+ support, source maps, and advanced compression

Count tokens for AI prompts across GPT-4, Claude, Llama models with cost estimation and optimization

Convert between Unix timestamps and human-readable dates with timezone support and batch processing

Convert .env files to JSON and back — parse environment variables both ways

Minify, beautify and optimize CSS code with advanced compression options for production-ready stylesheets

Convert cURL commands to Go code using net/http (stdlib) or Resty HTTP client

Convert cURL commands to Java code using HttpClient (Java 11+) or OkHttp client

Parse, build, and validate cron expressions with visual builder, presets, and next execution times

Convert cURL commands to JavaScript axios HTTP client code with interceptors, async/await, and TypeScript support

Calculate Unix file permissions with visual grid, octal and symbolic notation converter

Convert JSON to TypeScript interfaces with smart type inference, optional properties, and nested interface support

Validate YAML syntax with detailed error messages, line numbers, and support for YAML 1.1 and 1.2 specifications

Convert cURL commands to production-ready code in any programming language with error handling and type safety

Convert cURL commands to C# code using HttpClient (async/await) or RestSharp

Convert cURL commands to Python httpx client code with sync Client and async AsyncClient support

Generate .htaccess files for Apache with redirects, security rules, caching, and URL rewriting

Convert cURL commands to Ruby code using Net::HTTP (stdlib) or HTTParty gem

Convert JavaScript objects to valid JSON with circular reference detection, function handling, and BigInt support

Generate and verify bcrypt password hashes with configurable cost factor for secure password storage

Convert cURL commands to HTTPie http / https CLI syntax with JSON mode and short-hand flags

Convert EML email files to HTML with header extraction, attachment handling, and multi-view rendering