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I am new to python and Pythonista.
I would like to save ui.image and not create it very time from JPEG.
Is it possible?

Thanks

Yes, that's possible, here's an example:

import ui

img = ui.Image('test:Lenna') # Just load a sample image here...

# Save as PNG:
with open('test.png', 'wb') as f:
    f.write(img.to_png())

# Save as JPEG:
with open('test.jpg', 'wb') as f:
    quality = 0.9 # From 0.0 (more compression) to 1.0 (better quality)
    f.write(img.to_jpeg(quality))

Thank you very much, I will try.

Thanks, it worked.
How would I load a JPG image ?
Img = ?

img = ui.Image('test.jpg')

Thank you very much