Click on items to add them to the potion, and when you're finished, click the brew button! TIP: Always add the netherwart (top right corner) first, or it will turn into a "mundane potion".
Just something small I made in a couple of hours over the weekend. Enjoy! If there are any potions or brewing techniques I forgot to add, please let me know so I can add them. I deliberately left out lingering potions since those aren't commonly used and also the number of costumes I would have needed to add would have pushed it over the project file size limit. I also left out more recent potions like Potion Of Luck and Potion Of Turtle Master for the same reasons. All Minecraft images came from Google Images, the voice was made in Apple's TextToSpeech app, and the music is by The Yogscast.