Missing Exif After Tif Saved To Png

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Katamara
Posts: 63
Joined: Sun Apr 04, 2010 11:54 am

Missing Exif After Tif Saved To Png

Post by Katamara »

Hello.

System: Linux Debian Sid 64, XnViewMP 0.85

I batch exported some .tif to .png

I noticed missing exif displayed in the 'Details' View.

1.) .tif Before Export
Tab-ExifTool_Details_v01.png
2.) .png After Export
Tab-ExifTool_Details_v02.png
Also, in the Info>Exiftool Tab... differences after export;

3.) Before .tif export
Tab-ExifTool_v01.png
Tab-ExifTool_v01.png (6.65 KiB) Viewed 392 times
4.) After .png export
Tab-ExifTool_v02.png
Tab-ExifTool_v02.png (5.58 KiB) Viewed 392 times
Would you please provide the correct procedure to maintain all exif export
from .tif to .png ?

Thank you much.
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xnview
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Re: Missing Exif After Tif Saved To Png

Post by xnview »

PNG format doesn't support EXIF
Pierre.
Katamara
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Joined: Sun Apr 04, 2010 11:54 am

Re: Missing Exif After Tif Saved To Png

Post by Katamara »

Thanks Pierre.

I saw the EXIFTool listed in the tab and assumed.
I don't use .png, now I know, thank you.

It would have been nice to reduce all the large .tif files without
any loss by saving to .png.

Take care.

Best regards.

[SOLVED]
cday
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Re: Missing Exif After Tif Saved To Png

Post by cday »

Katamara wrote:Thanks Pierre.

It would have been nice to reduce all the large .tif files without any loss by saving to .png.
Do none of the TIFF compression options, all lossless except JPEG, provide satisfactory compression?

In XnView MP they are in Viewer | File > Format settings...
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m.Th.
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Re: Missing Exif After Tif Saved To Png

Post by m.Th. »

cday wrote:
Katamara wrote:Thanks Pierre.

It would have been nice to reduce all the large .tif files without any loss by saving to .png.
Do none of the TIFF compression options, all lossless except JPEG, provide satisfactory compression?

In XnView MP they are in Viewer | File > Format settings...

Or, if we're speaking about Batch Convert, he should choose TIF as (output) Format and press {Settings}. I would choose LZW+Predictor which generally speaking should provide the best outcome.
m. Th.

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