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Some black items of my .png product pictures are automated converting into transparent

Bseuss
Neues Mitglied
3 0 0

Hey,

 

Defintion of my problem: I uploaded my profilpicture in a transparent .png.

Here is the source PNG I actually uploaded.

UPP-JW0011.png

 

The problem item: https://printomino.de/collections/jenny-woltz/products/defintion-katze

Bseuss_0-1611340803798.png

This is the result. Not only after zooming. It is also on the product pages.

Hope you can help me! :) 

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r8r
Shopify Expert
1173 124 378

@Bseuss thanks – that's a pretty interesting question actually. (Do you prefer Deutsch, btw?)

I'm pretty sure that this community board messes with the original files too. Suggestions: can you zip the original file and upload it on wetransfer? That way, we should be able to analyze the original image. What software did you use to generate that original PNG, what color space and alpha channel settings did you apply?

Thank you,
Mario

Mario Rader [he] ★ If you want to achieve greatness, stop asking for permission. ★ Studio Mitte
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Bseuss
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3 0 0

Hey Mario, 

thank you for answering my questions. 

I will give you my files, here you go: https://drive.google.com/file/d/1ypzFe_KTACjDH_WLQiqGjM7Hv0DcksRm/view?usp=sharing

I use photoshop. With RGB:

Bseuss_0-1611576316610.png

For exporting it I use:

Bseuss_1-1611576492269.png

 

 

We can write in english, perhaps some people from other countries have a same problem.

Greetings, Benny

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r8r
Shopify Expert
1173 124 378

Do you have this problem with multiple files?

Can you please download, unzip and try this file again? https://we.tl/t-nyr4AFuLWc 

Mario

PS: Since you posted in the "Deutsch" section of the board, I figured I'd check whether that was on purpose ¯\_(ツ)_/¯

Mario Rader [he] ★ If you want to achieve greatness, stop asking for permission. ★ Studio Mitte
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Bseuss
Neues Mitglied
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Im sorry for posting in the wrong section. 

But thank you for the fast answer. I checked your file and it works. 
I dont know, if a SEO app is changing files, because, if I reupload things, they are fine. 

 

Lets see in a few days, if there is any change.... https://printomino.de/products/defintion-katze

But yes, I have this problem on multiple product. I dont see any pattern, because it is on pictures with black and white content and with color content ... 

 

Thank you!

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r8r
Shopify Expert
1173 124 378

You're welcome – Awesome – great to hear that it works. 

Here's the solution and the "fix": Seems like you were using a color mode that was unfit for the intended purpose. As far as I saw, you're using Photoshop, correct? Then you should be familiar with these options:

Screenshot 2021-01-25 at 18.51.34.jpg

All I did was change it from "Indexed Color" to "RGB Color" and saved the image again. I've seen image manipulation/resize/optimization libraries have their fair share of issues with color space other than RGB in the past. I assume that the Shopify algorithm doesn't expect indexed color images or at least doesn't necessarily handle them correctly.

Hope this helps!
Mario

PS: No worries about the forum sections – we're pretty international here after all ;)

Mario Rader [he] ★ If you want to achieve greatness, stop asking for permission. ★ Studio Mitte
• Meine Antwort war hilfreich? Hinterlass bitte ein Like.
• Meine Antwort hat Dein Problem behoben? Bitte akzeptiere sie als Lösung.
• Ich hab dir etwas erspart? Ich freue ich mich immer über eine kleine Aufmerksamkeit
• Ja, ich biete Shopify-Services & -Entwicklung und freue mich von Dir zu hören!
• Bitte teile einen Link zu der Seite, deren Problem Du in deinem Beitrag beschreibst!

• Yes, I provide Shopify-services & -development. Feel free to get in touch!
• Please share a link to the site, which you refer to in your problem description. This incredibly increases the chances of you receiving a useful answer!
• My answer was useful? Please leave a Like.
• My answer solved your issue? Please accept it as the solution.
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