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Try Telex in your browser.

This is Telex’s real interface, the same HTML, CSS and JavaScript the app ships, on a made-up mailbox. Read, reply, move, filter and send with the keyboard. Nothing you do leaves this page.

Live · runs in your browser

Click inside the window, then use the keys.

Full window

Telex is a desktop app, so the demo is best on a computer with a keyboard. On a phone it works, but cramped.

Things to try

  1. ↓

    Read your way down

    Arrow through the Inbox. A message counts as read after a moment on screen, not as you pass it.

  2. T

    Follow a conversation

    On Daniel Price’s “Re: Online shop estimate”: his enquiry filed in Clients, your estimate in Sent, his reply. Esc goes back.

  3. Shift+↓thenM

    Move a pile

    Select a few messages, press M, type “arch” and Enter: they go to the Archive. Z puts them back.

  4. /

    Filter with operators

    Type krakow, or has:file after:2026-09. Tab looks in all mail at once; Esc goes back.

  5. RthenCtrl+Enter

    Send, and take it back

    Write a line and send. It waits five seconds in the Outbox: Z in that moment brings it back into compose.

  6. Get mail

    Get new mail

    Each press brings a message: a reply that joins its conversation, an invoice the Invoices rule files away with a note. Wait a minute and mail arrives by itself, as with IMAP IDLE.

  7. H

    HTML or plain text

    On the Frontend Weekly newsletter: H switches views, Load images fills in the pictures (stand-ins here), the sun shows it on white.

  8. Ctrl+,

    Make it yours

    Eight themes from Paper to Phosphor, Polish, bigger text, comfortable rows. Rules and identities can be edited too.

Every shortcut

What is real

  • The whole interface, from the folder tree to the settings, exactly as the app has it.
  • Every key, the selection, the quick filter and its operators, compose in text or HTML.
  • All eight themes, text size, density, and the interface in English and Polish.

What is pretend

  • The mailbox: Sam Carter of Linden Studio, and the people who write to him, are made up.
  • The servers. In the app, a Rust core syncs with IMAP and sends over SMTP; here a small script in the page answers in its place. “Sent” mail only moves to Sent, and attachments can’t be opened.
  • Memory. Reload, or press Start over, and everything is as it was.

What leaves your browser

  • Nothing. What you type, send or attach stays in this tab; files you attach aren’t even read.
  • Like the app, the demo remembers your theme and pane sizes in this browser’s local storage. The privacy page has the details.

Like it? Use it on your own mail.

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