Free Online Developer Tools - 40+ Utilities for Web Developers
WebDevUtility is a comprehensive collection of 40+ free, privacy-first developer tools designed to streamline your workflow. Whether you're converting JSON to PHP arrays, encoding Base64 strings, generating UUIDs, or formatting code, our tools help you work faster without compromising your data security.
100% Client-Side Processing: All tools run entirely in your browser using JavaScript. Your sensitive data never touches our servers - no tracking, no storage, no data collection. Perfect for working with API keys, tokens, configuration files, and production data.
From JSON converters and formatters to security tools like JWT generators and SHA hash calculators, we've built utilities that developers use daily. No signup required, no rate limits, completely free forever.
Converters
JSON to PHP Array
Convert JSON objects to PHP arrays.
JSON to CSV
Transform JSON data into CSV format.
JSON to JavaScript
Convert JSON to JS object literals.
JSON to YAML
Convert JSON to YAML configuration.
JSON to Excel (XLSX)
Export JSON data to Excel files.
JSON to XML
Convert JSON to XML format.
XML to JSON
Convert XML to JSON format.
CSV to JSON
Convert CSV data to JSON array.
CSV to PHP
Convert CSV data to PHP array.
CSV to JS
Convert CSV data to JavaScript array.
YAML to JSON
Convert YAML to JSON format.
PHP Array to JSON
Convert PHP arrays to JSON.
PHP Array to CSV
Convert PHP arrays to CSV.