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Saving TIFF to JPEG from the wrong number of bits

Discussion in 'Help Team' started by gray1720, Oct 6, 2019.

  1. gray1720

    gray1720 Well-Known Member

    I've just discovered that I can't save a pic (saved as a tiff) I'm trying to resize as a jpeg. I recall from running into it before that it's due to saving with the wrong number of bits but I'm damned if I can remember how to get round it.

    Bright ideas welcomed, please.

    Thanks!

    Adrian
     
  2. Catriona

    Catriona Well-Known Member

    Does Resize help? It allows you to change certain parameters in Elements. Perhaps changing some of those will then allow you to save as JPEG.
     
  3. PeteRob

    PeteRob Well-Known Member

    Most programs use "export" rather than "Save as" to change file formats. The resize dialogue usually turns up as an option in the export process
     
  4. daft_biker

    daft_biker Action Man!

    Select 8 bits per channel in a submenu then go to save as?
     
  5. Geren

    Geren Well-Known Member

    This is what he meant to say....
     
    gray1720 likes this.
  6. gray1720

    gray1720 Well-Known Member

    Google is my friend, in the end. It told me which submenu, or I could hav ebeen here for weeks.

    Image>Mode>8 bits/channel and I'm off.

    Already working on a copy... I've done that before and suffered the quincequonces.

    Adrian
     
    Catriona likes this.
  7. daft_biker

    daft_biker Action Man!

    Save as creates a new file....the 16 bit TIFF would remain intact.

    I use save for web after resizing which works from 16 bit files but then I have to discard the changes to the TIFF.
     
  8. Geren

    Geren Well-Known Member

    Yes, so long as you remember to use save as and not save. Experience has taught me to make a copy!
     
    daft_biker likes this.
  9. Learning

    Learning Ethelred the Ill-Named

    It is a good reminder if the s/w requires an export to change the format.
    Its worth remembering that every time that one edits a jpeg and saves it, there is a slight loss of quality; this can be very significant over a number of edits. It is a good idea when editing jpegs to save the edit in a format which is not lossy. Only export another jpeg when you are finished.
    There are other reasons for working with a lossless16 bit format even if your original is an eight bit jpeg. Imagine applying a curve or gradient.
     

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