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Saving without altering image

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Hi,

I just started with Affinity Photo and I don't know what to save my pictures as.

I used to save pictures as bmp while I was working on them so that I could open them in numerous arty programs and make use of all the different tools.  With bmp there was no compression or resampling, so I knew the picture wouldn't get altered.

But Affinity Photo doesn't give me bmp, so can I save in one of the other formats without any resampling/compression?  It looks like all the raster formats have to have some type of resampling applied.

Thanks.

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TIFF is also be a lossless format, though it will probably result in larger files than PNG.


-- Walt

Windows 10 Home, version 20H2 (19042.685),
   Desktop: 16GB memory, Intel Core i7-6700K @ 4.00GHz, GeForce GTX 970
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, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU
Affinity Photo 1.9.2.1035 and 1.9.2.1005 Beta   / Affinity Designer 1.9.2.1035 and 1.9.2.1005 Beta  / Affinity Publisher 1.9.2.1035 and 1.9.2.1024 Beta

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Yes, TIFF is usually the most powerful format here and used to provide high-resolution images in print-ready, lossless quality. The format also offerers a higher color depth (up to 32 bits per color component) and is a defacto-standard for high-quality images here, which is also the reason why TIFF is often used for data exchange during RAW conversion. But due to it's complexity it has several times the size of a lossy compressed JPEG image.


☛ Affinity Designer 1.9.2 ◆ Affinity Photo 1.9.2 ◆ OSX El Capitan

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Hi,

Thanks for all the answers.  I'm still a bit confused because even with TIFF I still have to select a resampling method.  If I export a picture without altering its size, is it safe then to assume that no resampling is taking place, no matter what resampling method I choose?  And therefore will resampling only happen if I export the image to a smaller/larger size (downscaling/upscaling?)?

Thanks again.

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There are several different types of TIFF. Which is Affinity Photo using? I plan to move them to Capture One 10.x for cataloging. I'm being forced by Apple's poor judgement from v1.x on to 3.6 of Aperture being EOL. 40 years of photos, digital capture since 1980. All Nikon great majority NEF RAW.

 

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