Free Mac OS X App To Invert Negative Images?

[jyl]

I'm looking for a free app for my Mac (PowerPC/Leopard) that will allow me to invert a negative image. I have some film negatives here, rather than do a traditional wet contact sheet, it would be easier to lay the negatives on the scanner and invert the image from negative to positive. But I don't want to buy an app just to do this. Is there anything?

[maxnine11]

I'm not sure if this will work, but it's worth a try.

-Open image with "Preview"
(that is the default image viewer on your Mac)
-Click on "Tools" in the top bar
-Click "Adjust Color" in the drop down menu
-Slide the Black level all the way to the right
-Slide the White level all the way to the left
- let us know if it worked.

max

[maxnine11]

Just thinking, your scanner software must have some settings.
See if you can scan your negative in 'negative' to get the desired result.

good luck.

[jyl]

Thanks for the suggestions, max.

I tried reversing black and white levels in Preview, it doesn't work.

My scanner is a Brother MFP, the scanning software is minimal and lacks a "negative" setting or any image inversion.

I've also tried scanning via Mac OS X's Image Capture and that doesn't have image inversion either. iPhoto also lacks that feature.

I downloaded a trial version of PhotoEdit (Mien Software) but it says "out of memory or corrupt file" when trying to open the scanner file which is about 36MB at 600dpi. I guess I can keep reducing the resolution to get a file that it will open, but a 35mm neg scanned at 100dpi isn't going to be so useful.

[id10t]

The Gimp (GIMP - The GNU Image Manipulation Program) can probably do it

[Paul_Heery]

The Gimp will do what you want.

Open your original in The Gimp. From the menu, choose Color, then Invert. Save your modified image as a new file.

[jyl]

Thank you, all! GIMP has inverted the image for me, I need to play w/ contrast etc to make it right but I can surely figure that out.