Beautify, minify and test regex in JavaScript — free JS developer tools.
Free online JavaScript beautifier — format and indent messy JS code instantly in your browser.
Minify JavaScript for production.
Test regular expressions online with live match highlighting — a free regex tester and debugger.
Pretty print console log output — expand inline JSON payloads and tidy stack traces.
Convert between date and Unix timestamps.
Convert Unix time to human dates.
Generates ready-to-use HTML and JS code for a login form with email/password fields, basic client-side validation, and a show/hide password toggle.
Turn your form fields into ready-to-use JS validation code with required checks, email format and minimum password length.
Generate a ready-to-use JS deep clone utility using structuredClone with a recursive fallback, plus example usage.
Pick a date pattern like DD/MM/YYYY or relative time and generate a dependency-free JS date formatting function.
Generate a Promise-based sleep(ms) utility for async/await delays, with cancellation support and example usage.