For the highest quality "HD" sounds (uncompressed original files), you can use the following methods:

: Sites like Zedge offer pre-converted MP3 versions specifically for notification sounds. Copyright & Content Usage

: Use a JSON viewer or text editor to open the latest version index (e.g., 1.21.json ) in the assets/indexes folder. Search for "firework" to find its unique hash code, then locate that hash in the objects folder.

: If you own the game, the original high-quality files are stored on your computer. Windows : Navigate to %AppData%\.minecraft\assets\objects .

Before using these sounds in your own projects, note the following legal guidelines: Category:Firework sounds - Minecraft Wiki