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PNG with transparent background, placing into Illustrator with white background.

Community Beginner ,
Apr 26, 2020

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I'm placing a PNG file with a transparent background into Illustrator and it's showing a white background in the file. I've managed to remove the background again by selecting the 'Opacity & Mask Define Knockout Shape' tick box in the Opacity settings (image below)

Screenshot 2020-04-26 at 18.15.43.png 

 

However, when I save the file as an PDF, the white boxes re-appear (image below)

Screenshot 2020-04-26 at 18.18.57.png

Can anyone please help to find a solution to this issue or know what the problem could be?

Thank you!

I have found a fix for the saving issue, it has something to do with Adobe Acrobat and saving as a PDF - Acrobat 5 PDF 1.4..... As soon as I've reverted to a legacy format Acrobat 4 PDF 1.3 it's saving without a white bounding box! Weird but works!

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PNG with transparent background, placing into Illustrator with white background.

Community Beginner ,
Apr 26, 2020

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I'm placing a PNG file with a transparent background into Illustrator and it's showing a white background in the file. I've managed to remove the background again by selecting the 'Opacity & Mask Define Knockout Shape' tick box in the Opacity settings (image below)

Screenshot 2020-04-26 at 18.15.43.png 

 

However, when I save the file as an PDF, the white boxes re-appear (image below)

Screenshot 2020-04-26 at 18.18.57.png

Can anyone please help to find a solution to this issue or know what the problem could be?

Thank you!

I have found a fix for the saving issue, it has something to do with Adobe Acrobat and saving as a PDF - Acrobat 5 PDF 1.4..... As soon as I've reverted to a legacy format Acrobat 4 PDF 1.3 it's saving without a white bounding box! Weird but works!

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Draw and design, How to, Import and export, Tools

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Apr 26, 2020 0
Adobe Community Professional ,
Apr 26, 2020

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Where was the PNG created?

A PNG with transparent background should stay transparent when place in Illustrator.

Where do you view your PDF? Apple Preview?

Preview is not reliable and does not support all features of a PDF.

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Apr 26, 2020 0
Community Beginner ,
Apr 27, 2020

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Thanks Tom for your reply.

 

The PNG was created in Photoshop.

Viewing the PDF in Adobe Acrobat - part of Creative Cloud subscription.

 

The most confusing thing is the PNG in the Illustrator file has a clear background off the artboard but as soon as moved onto the artboard has the white background.

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Apr 27, 2020 0
Adobe Community Professional ,
Apr 27, 2020

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Did you check with the option View > Show Transparency Grid in Illustrator?

 

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Apr 27, 2020 0
Community Beginner ,
Apr 27, 2020

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I've just given this a go and this is what happens....

Screenshot 2020-04-27 at 10.32.52.png

 

It's created a transparent box where the white box would be.

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Apr 27, 2020 1
Adobe Community Professional ,
Apr 27, 2020

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White is regarded as the paper on which you put your inks.

So white is always seen as transparent non painted.(unless you create a special white spot color ink swatch).

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Apr 27, 2020 0
Community Beginner ,
Apr 27, 2020

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So, with this in mind, any ideas as to why the PNG is showing a white background when placed on a coloured background where it should be cut out (clipped?) - disappearing when I select the opacity box but re-appearing on the Adobe Acrobat PDF?

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Apr 27, 2020 1
Adobe Community Professional ,
Apr 27, 2020

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Can you share that PNG file using the Insert Photos button?

Share images.png

 

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Apr 27, 2020 0
Community Beginner ,
Apr 29, 2020

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Here you go...

Rosemary_Sprig.png

Thank you

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Apr 29, 2020 0
Adobe Community Professional ,
Apr 29, 2020

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Thanks for sharing the file.

I don't think there is something wrong with the .png, it places with a transparent background, linked or embedded, in a CMYK or RGB document without having to make changes in the Transparency panel.

Did you try to place it in a new document?

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Apr 29, 2020 0
Community Beginner ,
Apr 30, 2020

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Yes, I place all my PNG files in to documents to link them rather than embed but even when I have tried to embed, the box is still there. It's very strange - I have tried it with other PNGs and other files and everything is responding normally - it just seems to be artwork I've recieved from my client that I'm using to carete new files. Very strange.

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Apr 30, 2020 0
Adobe Community Professional ,
Apr 30, 2020

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There seems nothing wrong with the file, but maybe resaving in Photoshop will help for you?

Also try placing in a new layer (there may be effects applied to the layer).

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Apr 30, 2020 0
Community Beginner ,
May 08, 2020

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I have found a fix for the saving issue, it has something to do with Adobe Acrobat and saving as a PDF - Acrobat 5 PDF 1.4..... As soon as I've reverted to a legacy format Acrobat 4 PDF 1.3 it's saving without a white bounding box! Weird but works!

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May 08, 2020 0
Adobe Community Professional ,
May 08, 2020

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Good to hear that you found a workaround.

I still cannot replicate your problem (with saving in whatever pdf version)

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May 08, 2020 0
Explorer ,
Oct 08, 2020

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HI. Having the same issue, wether it be 8 bit, 16 bit, GB, CMYK. Since last week any png I place has a background when placing over a colour. I can't get rid of it. Same goes for PSD files placed in illustrator, and on new layers, and on new documents.

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Oct 08, 2020 0
Adobe Community Professional ,
Oct 08, 2020

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Can you please create a new thread.

Tell us your version and system.

Show screenshots

If this happens outside Illustrator, please tell us the PDF viewer.

Please tell us step by step what you are doing.

 

Also: when was the last time you rebooted the computer?

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Oct 08, 2020 0