Color Contrast Checker (web-toolbox.dev)
Free tool for calculating the contrast ratio between two colors and checking whether they meet WCAG accessibility standards (AA and AAA). Useful for checking text and background color readability.
Credit Card Validator (web-toolbox.dev)
Free tool for validating credit card numbers using the Luhn algorithm. Also supports format checking and card brand detection, useful for testing during development.
ES6 Syntax Check (www.piliapp.com)
An online ES6 JavaScript syntax checker. Validate modern JavaScript (ES6+) code for syntax errors and ensure compatibility before deploying.
JavaScript Validator (www.piliapp.com)
An online JavaScript syntax validator. Paste your JavaScript code and instantly check for syntax errors and issues before deployment.
MySQL Syntax Check (www.piliapp.com)
An online MySQL SQL syntax validator. Paste your SQL queries and check for syntax errors to ensure your database queries are correctly structured before execution.
PHP Syntax Check (www.piliapp.com)
An online PHP code syntax checker. Paste your PHP code and instantly validate it for syntax errors without needing a local PHP installation.
Regex Checker (www.oh-benri-tools.com)
An online tool for testing JavaScript regular expression patterns in real time. Highlights matched portions and supports i/g/m flag toggling, with all processing done in the browser.
UUID Validator (web-toolbox.dev)
Free tool for validating whether a UUID is in the correct format. Also identifies the UUID version, useful for API debugging and data validation.
