I'm looking to record my screen similar to how Quicktime does it, but I need zero-compression, since I need the pixel colors to remain correct.

Basically, I need a automated series of screenshots, if that's possible - lossless PNG at half-second intervals.

Are there scripts or other tools to do this?

  • I use Camtasia 2 which works great for me. I have no idea if it compresses the output at all though. I suppose you could check with them and see. Jan 8 '15 at 22:44
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    What rate of pictures is acceptable and which codecs / still image formats are acceptable to you?
    – bmike
    Jan 8 '15 at 23:55
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    You say no compression, but would lossless compression be acceptable? I suspect it's only lossy compression you object to; is that correct?
    – D.W.
    Jan 9 '15 at 0:23
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    @bmike - png, every half-second?
    – Karric
    Jan 9 '15 at 13:20

perhaps you'd like ScreenFlow; it offers lossless compression. enter image description here

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