Capture, annotate and send screenshots inside

Slack integration, 100% free forever

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How Marker can make your life easier!

Capture anything

Marker offers a wide range of capturing methods with lightning fast speed and Keyboard Shortcuts

Marker captures options

Available on:

Google chrome
Marker Capture Demo
visual feedback

Get your point across with annotations

Wether you need lines, arrows, text or even emojis,
Marker got you covered πŸ˜‰

Turn screenshots into Slack messages

All screenshots shared in Slack include a quick link to the original page URL.

Marker create Slack messages
Slack to and to Trello, Jira, Bitbucket,…

Edit existing screenshots inside Slack

All Marker screenshots shared inside a Slack Channel can be annotated and shared back into Slack or turned into a Trello card, a Jira issue, and more…

When I spot a visual glitch on our website, I snap a screenshot with Marker and turn it into a task for our dev team.

Bianca Chrysostomou, Senior UX Designer at BlueChilli

How to set up Marker with Slack?


1. Sign up for Marker

Try it FREE now


2. Connect your Slack

Grant access to your Slack account. Marker will use it to securely retrieve your list of channels and members.


3. Send your bugs to Slack

Create a new Slack message with your annotated screenshot right from inside Marker.

First, download the extension.

You'll create your account later.

google chrome logo Install Chrome extension

Coming this September on Firefox, Safari, Edge, Opera

The Marker extension is designed to work on desktop

Enter your email to continue your sign up process when you'll be at your desk.