The powers we know so far are

- Self-immolation (*The Incredibles*, *Incredibles 2*, [Jack-Jack Attack](https://www.youtube.com/watch?v=-xF47FXtelQ))
 
 [![enter image description here][1]][1]

- Eye lasers (*Incredibles 2* trailer, *Incredibles 2*)

 [![enter image description here][2]][2]

- Phasing through objects and/or dimensional shifting (*Incredibles 2*, Jack-Jack Attack)

 [![enter image description here][3]][3]

- Transforming into some sort of demon (*The Incredibles*, *Incredibles 2*)

 [![enter image description here][4]][4]

- Some as-yet unexplored lightning power (*Incredibles 2 Trailer*, *Incredibles 2*)

 [![enter image description here][5]][5]

- Molecular change of some sort. He becomes so heavy Syndrome drops him (*The Incredibles*)

 [![enter image description here][6]][6]

- Teleportation (Jack-Jack Attack)
- Levitation (Jack-Jack Attack)

 [![enter image description here][7]][7]

- Super strength (Jack-Jack Attack) <br>The crate in question was securing him and he was shown chewing it before this

 [![enter image description here][8]][8]

- Self-cloning (*Incredibles 2*)

 [![enter image description here][9]][9]

- Shapeshifting (*Incredibles 2*) - Jack Jack takes on Edna's facial features at one point

 [![enter image description here][10]][10]
- Growth (*Incredibles 2*) - Jack Jack grows in size inside the ship 

 [![enter image description here][11]][11]


  [1]: https://i.sstatic.net/Q5ukn.jpg
  [2]: https://i.sstatic.net/Ow1ZK.jpg
  [3]: https://i.sstatic.net/EyAyQ.jpg
  [4]: https://i.sstatic.net/Lw6Yr.jpg
  [5]: https://i.sstatic.net/ukQUI.png
  [6]: https://i.sstatic.net/dWluh.jpg
  [7]: https://i.sstatic.net/mScRV.jpg
  [8]: https://i.sstatic.net/8Xhvc.jpg
  [9]: https://i.sstatic.net/pqT3v.jpg
  [10]: https://i.sstatic.net/ZJe05.png
  [11]: https://i.sstatic.net/Ipsci.png