Code Share

Share code online, in real time

Open a room, send the link, and edit together with syntax highlighting and live sync. No accounts, nothing to install, and the room disappears when you are done.

What is Code Share?

Code Share is a real-time collaborative code editor that lives at a link. There is no project to set up and no workspace to invite people to: you open a room, paste code, and everyone with the link sees the same text as it changes. It is built for the moments when a screenshot is not enough and a full IDE session is too much: reviewing a function on a call, walking a candidate through a problem, fixing a config with the person who owns it, or teaching a class where nobody has the same machine.

Features

  • Live sync. Every keystroke is broadcast to the room over a WebSocket; changes arrive in milliseconds, with a live count of who is in the room.
  • Syntax highlighting for 16 languages, including JavaScript, TypeScript, Python, Java, C++, Go, Rust, SQL, HTML and Markdown. The language is a room setting, so it changes for everyone at once.
  • Short, shareable links. A room is logshare.in/#room: easy to read out on a call or paste into a ticket.
  • Private rooms. Lock the room you are in with a PIN from the Tools menu, or create one that is private from the start. Only people with the PIN get in.
  • Take the code anywhere. The Tools menu hands the room's content to the diff checker, the HTML viewer, the JSON formatter or Log Share in one click.
  • Nothing to install, nothing to sign up for. It works in any modern browser, on a phone too.
  • It cleans up after itself. Public rooms are deleted after 7 days without a visit or an edit; private rooms at the expiry you chose.

How to share code with someone

  1. Click Open a code room. Your browser lands in a new room with its own link.
  2. Paste your code and choose the language from the dropdown so it highlights correctly.
  3. Press Copy link and send it by chat, email or voice. No login is needed on their side.
  4. Edit together. When you are finished, just close the tab; the room expires on its own.

Code Share compared with pasting code in chat

Chat flattens indentation, wraps long lines and turns every follow-up change into another paste. A room keeps one canonical copy that both of you edit, with line numbers to point at and highlighting to read by. Compared with a full online IDE, it deliberately does less: there is no compiler, no accounts and no file tree, which is exactly why it opens in a second and works for a colleague who has never seen it before.

Privacy and security

Rooms are unlisted. The link is a random identifier that is never published or indexed, traffic is encrypted in transit, and the content is stored only so it can be synced between the people in the room. Anyone with the link can read and edit, so treat a public room like an unlisted document: for anything sensitive, use a Private Room, which sends nothing to a browser until the PIN has been entered and expires within a day. Never paste passwords, API keys or private keys into any shared editor.

Frequently asked questions

How do I share code with someone online?

Click Open a code room. A room with a unique link opens in your browser. Paste or type your code, copy the link and send it. Whoever opens it sees the same code and can edit it with you, live.

Do I need an account to share code?

No. There is no signup, login or email. A room is just a link.

How many people can edit at the same time?

There is no fixed cap. Rooms are designed for pairs and small groups; every edit is broadcast to everyone in the room within milliseconds.

Is my code private?

Rooms are unlisted: the link uses a random id and is never indexed. Anyone who has the link can read and edit, so for anything sensitive use a Private Room, which only opens with a PIN.

How long does a code room last?

A public room is kept while people use it and deleted after 7 days with no visits or edits. A private room expires at the time you choose, up to 24 hours.

Which languages are highlighted?

JavaScript, TypeScript, Python, Java, C++, C#, PHP, Ruby, Go, Rust, Swift, Kotlin, HTML, CSS, SQL and Markdown. The language is set per room and syncs to everyone in it.