Share Code. Pair Program
in Real Time.
Free online code sharing platform for pair programming, teaching, and live collaboration. Share your HTML/CSS/JS — your partner sees every keystroke as you type.
Hello, World!
Edit me and see live preview.
The simplest code sharing platform online
Built for pair programming, code reviews, and teaching. No setup, no login, no install.
Real-time Sync
Both users see each other's edits instantly. Share a link and start typing together.
Live Preview
Hit Run and see your HTML/CSS/JS rendered in a live preview panel instantly.
Add Libraries
Add React, Vue, Bootstrap, Three.js, Chart.js and more with one click.
Auto Format
Beautify your code with one click. Keep your HTML, CSS, and JS clean and readable.
Console Panel
See console.log, errors, and warnings captured from your running code in real-time.
History
Browse and restore past snapshots of your code. Never lose work again.
Shareable Links
One click generates a shareable URL. Send to your teacher or student instantly.
Export
Download your code as a standalone .html file, ready to open in any browser.
Built for how developers
actually collaborate
Whether you're teaching a class, debugging with a colleague, or reviewing code live — Code Share Online gives you a shared workspace that just works. No accounts, no installs, no friction.
Open EditorPair Programming
Debug and build together in real time, even across continents.
Live Teaching
Students see your code as you type it. Ideal for coding bootcamps and tutorials.
Code Reviews
Walk through code changes live with your team — no screen sharing needed.
Quick Prototyping
Spin up an HTML/CSS/JS idea and share it instantly — no account needed.
Ready to code together?
Open a session, share the link, and start collaborating — no sign-up required.