Export to jpg huge file size

[Mr Lucky]

I have an image in Affinity Photo that is 890px x 110px

When I go to export as jpg and choose medium quality (45%) I see the file size is going to be 598kb - way to large for a web banner. This seems huge as most images of similar dimensions I export are < 40kb

But if I export as tiff (e.g. RGB 16bit) then open that in Affinity and then export as jpg with same compression setting, the file size is 24kb (more like what it should be.

So what am I missing to be able to export to jpg for web in one go?

Thanks

 

 

 

[carl123]

41 minutes ago, Mr Lucky said:

So what am I missing to be able to export to jpg for web in one go?

Photoshop!

Yes seriously, it's been mentioned before that AP's native JPGs are far too big for websites when you need the website to have the smallest sized images possible.

Currently I export JPGs at 100% in AP then use Photoshop's Save for Web option to reduce their size to something acceptable to me and the clients.

Hopefully Serif are working on a more efficient "Save for web" option

[Mr Lucky]

Yes, I understand that Photoshop's Save for web was good, esepcially the preview feature.

What I don't understand though is what happened with this one file that is huge when expoerted directlty, but reasonable when exported to tiff, then opened and re-exported. approx 1/15 of the size compared to the direct export.

 

[toltec]

2 hours ago, Mr Lucky said:

I have an image in Affinity Photo that is 890px x 110px

When I go to export as jpg and choose medium quality (45%) I see the file size is going to be 598kb - way to large for a web banner. This seems huge as most images of similar dimensions I export are < 40kb

 

 

If you are using a PC try this free optimiser. Several hundred pounds a year cheaper than using PS.

 

http://luci.criosweb.ro/riot/

 

[Alfred]

17 minutes ago, toltec said:

If you are using a PC try this free optimiser. Several hundred pounds a year cheaper than using PS.

 

http://luci.criosweb.ro/riot/

 

IrfanView (free for non-commercial use, and only ten euros if you need or want to register) uses the RIOT plugin for its 'Save for Web' option.

[v_kyr]

For Macs (OSX) you can use tools like ImageOptim instead.

[Mr Lucky]

Thanks but I don't need a 3rd party optimiser because all I need do (with this one file) is export to tiff then open again in Affinity. After that Affinity expeorts fine with nice small file size.

I'm trying to pinpoint what could be wrong about just this one file in Affinity that I have to do that.

[v_kyr]

7 minutes ago, Mr Lucky said:

I'm trying to pinpoint what could be wrong about just this one file in Affinity that I have to do that.

Hard to tell without knowing the image and the way APh generates a JPG under certain settings out of it.

[carl123]

19 minutes ago, Mr Lucky said:

Thanks but I don't need a 3rd party optimiser because all I need do (with this one file) is export to tiff then open again in Affinity. After that Affinity expeorts fine with nice small file size.

I'm trying to pinpoint what could be wrong about just this one file in Affinity that I have to do that.

Just did a quick test and I cant replicate that.

I get the same file size if I export the original file or the Tiff copy

Can you upload the file you see this happening to?

[Mr Lucky]

4 minutes ago, carl123 said:

Can you upload the file you see this happening to?

Here

 

 

 

taming4cafe2.afphoto

[Mr Lucky]

I just notice if I delete all layers then it is still a huge jpg for the diemnsions. Attached is the jpg

[MEB]

Hi Mr Lucky,

Change the document colour format to RGB and the size should be much lower when you export as JPG.

You are probably exporting the TIFF using the RGB preset - if you pick CMYK it will also be much bigger.

[carl123]

I'm showing an "unsupported colour mode" on the large jpg export

Looking at your document the colour format is CMYK

Changing this to RGB gives a much more expected file size on export

(Will play more with this later, or maybe a Dev could comment)

[v_kyr]

Well that document is setup as 300 DPI print and thus when exported is here more for print resolution, having a bigger resulting JPG file size. If you setup the document as 72 DPI for web and save, then I get a 42 kb JPG result out of it when exporting.

[Mr Lucky]

2 minutes ago, v_kyr said:

Well that document is setup as 300 DPI print and thus when exported is here more for print resolution, having a bigger resulting JPG file size. If you setup the document as 72 DPI for web and save, then I get a 42 kb JPG result out of it when exporting.

That's odd, makes no difference 300 or 72, but CMYK to RGB makes a huge difference

[v_kyr]

8 minutes ago, Mr Lucky said:

That's odd, makes no difference 300 or 72, but CMYK to RGB makes a huge difference

Forgotten to mention that I converted to use a sRGB profile instead of using CMYK profile, since when testing created a new document (with default sRGB profile)  and copied your layers over.

[Dask]

On 3/23/2018 at 10:53 AM, Mr Lucky said:

I have an image in Affinity Photo that is 890px x 110px

When I go to export as jpg and choose medium quality (45%) I see the file size is going to be 598kb - way to large for a web banner. This seems huge as most images of similar dimensions I export are < 40kb

But if I export as tiff (e.g. RGB 16bit) then open that in Affinity and then export as jpg with same compression setting, the file size is 24kb (more like what it should be.

So what am I missing to be able to export to jpg for web in one go?

Thanks

 

 

 

This is an old post, but I just found out what it was for me, maybe it'll help you:

the included ICC profile was absolutely enormous, exporting a JPEG of 300x170 to 500kb, while excluding it shrunk it down to 4kb - the size I would have expected it to be.