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Image Optimisation

Would just like to know if it is worth compressing my pngs using save for web in photoshop. Ive been using indexed color which saves a lot on file sizes although ive heared that gamesalad recompresses all your images when you build the game anyway so using indexed color might be a waste of time?


  • SocksSocks London, UK.Posts: 12,822Member
    Indexed colour is less than ideal (it's only 8bit).

    I'd save all your files as normal (RGB / 24bit) PSD files and if you want to reduce them use something like ImageAlpha .
  • cerealcereal Posts: 6Member
    edited April 2013
    Im probably mistaken but It seems like Image Alpha does the exact same thing as using photoshops save for web with indexed color (from the site): ImageAlpha converts 24-bit PNG to paletted 8-bit with full alpha channel. I already can get this from PS, my issue is that ive got about 1 mb of images and my game size is about 7mb so my guess was that the images were being recompressed within gamesalad with a worse compression?
  • glyniusglynius Posts: 231Member
    for reducing the size without loosing quality, i use tinypng.
  • gyroscopegyroscope I am here.Posts: 6,577Member, Sous Chef, PRO
    edited April 2013

    @cereal A bit off-topic but might be useful for you or anyone else at some time: here's a new jpeg compression prog. for websites, etc., looks promising:

    ""You are in a maze of twisty passages, all alike." - Zork        temp domain

  • ericzingelerericzingeler Posts: 334Member
    edited April 2013
    FYI: After import, you can replace processed images in your project images folder. Use tinypng like @glynius suggested, then import into GS, then replace the files. Also, if an image doesn't require transparency, use 8-bit png or jpeg as this will reduce RAM load when your app is running.
  • debchdebch Posts: 4Member
    Try this tool as well
This discussion has been closed.