Developer · 22 apps
Browser code playgrounds
Code playgrounds shine when you need to test a quick idea without spinning up a project locally. The picks here favor the no-friction options: open the page, paste or type code, see the result. Most are vanilla web (HTML/CSS/JS), with a few Python and other-language environments using WebAssembly. They run right in the tab.
Compare two blocks of text side-by-side with highlighted differences. Your text never leaves the browser.
by Jason Tally
Convert Scratch projects into standalone HTML files. Upload a Scratch project and download a self-contained web page you can share.
by SheepTester
Write HTML, CSS, and JavaScript with instant live preview. A lightweight CodePen-style editor in your browser.
by ItzBlueSword
Generate harmonious color schemes using the OKLCH color model with CSS variable output.
A collaborative platform where developers worldwide can showcase and discover diverse coding projects across web development, mobile apps, machine learning and more.
by MrAshwin2142
Pretty-print SQL queries with support for MySQL, PostgreSQL, and many other dialects.
Compress JSON into ultra-short URL-friendly strings. Paste JSON, get a crushed version you can share in URLs or query params.
An interactive JavaScript console. Type JavaScript, see results instantly. Perfect for experimenting and learning.
JavaScript API client library for Passky password management services. Provides developers with tools to integrate password management functionality into web applications.
Test regular expressions with live highlighting. See matches, groups, and flags in real-time.
by Launch Arcade
