The appointment that is never available.
A doctor, a visa slot, a returned concert ticket, your size back in stock. You refresh it twenty times a day. Fanfare the second a slot appears — because that one is a win, not a notification.
Give any website a doorbell: pick the sound, pick what makes it ring — a reply, a payment, a slot that just freed up. It rings even when the tab is buried under everything else.
Add to Chrome — free in betaClick the line to let it sound
Switch to another tab or another app and get on with something. This page will call you with the sound you picked, within thirty seconds. Nothing to install — the page is doing it to itself.
A doctor, a visa slot, a returned concert ticket, your size back in stock. You refresh it twenty times a day. Fanfare the second a slot appears — because that one is a win, not a notification.
A correspondence chess game, a bid someone just outbid, an auction in its last ten minutes. A wooden click for “your move”, and a short low thud for “you have been outbid”.
A thread, a doc, a mention — you opened that tab thirty times to see if anyone answered. A quiet bubble pop. Nothing urgent, just pleasant.
You have checked the chat eleven times in an hour. One sound for a client’s message, and only while the chat sits behind your document.
The dashboard looks the same whether you sold nothing or six. A till sound for “paid”, different from everything else that page does.
You are not staring at the chart, but at 82,000 you do want to know. A sound when the price crosses your number, with a gap so a busy market is not noise.
more below →
how it works
A message, a payment, a price — a website receives them quietly and shows them whenever you next look. Chime notices the arrival and plays the sound you picked. It does not read your screen and it does not watch you type, and it only listens on the sites you add yourself.
Some apps take their deliveries through a door no extension is allowed near. Then Chime hears nothing — and we name those below rather than hiding them in small print.
i.
Press Catch it in the extension.
ii.
Go and make the thing happen once — send yourself a message, place a test order.
iii.
Come back to a plain list — new message · 17 times — and press once. The rule is written for you.
No developer tools, no code, no account. If you would rather write it yourself, you can: by address, by the text inside the message, or by a field in the data.
Measured on the live sites in September 2026 — not written to look plausible. A plausible rule fails silently, and then you conclude the product is broken.
don’t see yours? catch it yourself in thirty seconds
Every one of the sixteen, drawn by itself — point at one to name it, press to hear it
A pause matters as much as the sound. Set the shortest gap between two of them, and the noisiest feed stops rattling.
10 s · in real time
And a rule can be told to sound only when the tab is in the background — which is when apps go quiet anyway.
For the order or the ticket that cannot be missed. It rings until you press I saw it — and gives up on its own after ten minutes, because an alarm nobody can stop is a trap, not a feature.
Printed here, not in small type on the back. If you need a sound on exactly those, this is not your tool — better to know now than after installing.
tested, not guessed
no strings
Nothing is uploaded anywhere, because there is nowhere for it to go: the extension has no server of its own and no account to attach you to.
…I already get browser notifications?
They tell you that something happened — the same banner for a newsletter and for a paid order. Here you decide which single event deserves a sound, and which sound. You can tell what happened without looking.
…I am looking at the tab anyway?
That is the cost. You are keeping a tab in front of you because the app will not tell you. Chime is loudest exactly where apps go quiet — behind your work.
…I do not want more noise?
Neither do we. One sound, one event, by default only in a background tab, with a minimum gap. Most people end up with one or two rules, not twenty.
…it sounds like work to set up?
Press “Catch it”, make the thing happen once, press one button on the line you care about. Thirty seconds, no code.
free in beta
Free while in beta · Chrome 116 and later
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