What’s a serial number?

We use serial numbers to keep track of software licenses. Downloaded from our website, your copy of Coda or Transmit includes a full-featured 7-day trial period.

After the trial period expires, the Sites or Favorites feature is disabled, and a session time limit is imposed. Check the green banner in the upper right of the app window to see how long is left on your trial. The apps only count down days on which you actually launch and use them, so you can take your time getting a feel for things.

To unlock an expired trial, you’ll need your serial number.


Find your serial number

You’ll find your serial number in the email receipt we sent when you purchased your license.

If you’ve lost your original email receipt, enter the email address you used to purchase your license into the Serial Number Lookup tool and look for an automated reminder message.

If you no longer have access to the email address you used to purchase your license, send us a message and we can assist.


Unlock the app

In the email receipt is a button you can use to unlock the software without having to type or copy/paste your serial number by hand. For this magic button to work, you will need to have already downloaded and installed the demo version, and launched it at least once.

To enter your serial number manually, click Purchase in the menu bar, choose Unlock, then type or paste in your serial number.

What to do when you can’t activate your license

  1. Make sure you’re connected to the internet. If you’re not connected, your license can’t be validated.
  2. Make sure you’re using the correct version for your serial number. (Example: A Transmit 4 serial number won’t work for Transmit 5 or vice-versa.) Check your email confirmation to find the correct version for your serial number. A full list of app downloads can be found here.
  3. When you unlock one of our apps, the app will reach out to our website to validate the license. If you’re on a corporate or university network with an aggressive firewall, make sure the following addresses can be reached. Your network administrator can temporarily whitelist any of the following addresses as needed. If not, you will need to connect your mac to another network temporarily in order to activate your license.

Transmit 5: https://circle.panic.com/api/v1/activate/transmit5/

Transmit 4: https://panic.com/transmit/bin/activate.php

Coda 2: https://circle.panic.com/api/v1/activate/coda2/

Note: It’s not currently possible to activate a license without an internet connection, or without the app verifying the license via one of the addresses above.

If you’re still having trouble unlocking one of our apps after following the tips above, please send us a message and we can assist.

Mac App Store

Applications purchased in the Mac App Store use your Apple ID to keep track of licensing, and no serial numbers are issued. Contact Apple with questions about downloading and installing applications purchased in the Mac App Store.

Special note for Coda 2 users: If you purchased Coda from the Mac App Store, you will need to migrate your license to get continued updates and support. First, download and install Coda 2.0.14 from the Purchases pane of the Mac App Store. (If you don’t see Coda listed in your Purchases, contact Apple to make sure the purchase isn’t hidden.) Launch Coda 2.0.14 at least once.

Now download and install the latest version of Coda from our website, and follow the prompts. Provide your email address and we’ll send you a personalized Coda 2 serial you can use to unlock the app now, and in the future.


Removing the serial number and un-licensing Transmit or Coda

Transmit 5

To remove the license and serial number from Transmit 5, launch the app and then, from the menu bar, choose Transmit > License….

In the window that opens, click the button to Remove License.

Transmit 4 and Coda 2

If ever you want to remove the serial number from Coda 2 or Transmit 4, here’s how you’d do it.

Be sure to Quit the app, then launch Terminal, located in /Applications/Utilities and run one of the following commands:

To remove Transmit’s serial number:

defaults delete com.panic.Transmit SerialNumber2

To remove Coda’s serial number:

defaults delete com.panic.Coda2 SerialNumber