Unlocking the Power of JW Player: A Guide to License Keys and How They Work
Include the Library: Load the jwplayer.js file in the of your HTML.
Types of JW Player License Keys
Use different keys for dev/staging/prod.
This prevents accidentally breaking production when testing on localhost.
For developers hosting the JW Player library on their own servers, the key must be manually added to the HTML or before the player setup script. Include the Library: Load the jwplayer.js file. Define the Key: Set the key globally using jwplayer.key. Setup the Player: Call the .setup() function in the . Example Code: jwplayer license key work
Authentication: It verifies that you have a valid subscription (Free, Starter, or Enterprise).
If you host jwplayer.js yourself, the key is still required in setup(). Unlocking the Power of JW Player: A Guide
If your license allows *.example.com, these work:
Copy this key. Do not share it publicly (e.g., on GitHub). For developers hosting the JW Player library on