Participant

Question

Same file - different size...WHY?? :)

Forum|Forum|2 years ago
July 5, 2023
3 replies
2549 views

Hi,

I'm new to Illustrator (self tought) and I have a problem I can't get around. I even asked pro users with no luck.

I designed a racing trophy in Photoshop and continued to work on it in Illustrator.

Basically I made the same trophy over and over and only change the writings for each category.

The weired thing is that some of the exported PDF files are 7MB while the others are like 33MB.

Like I said I saved the same file over and over with different name and different writings with the same PDF preset.

Can someone please tell me what's going on?

Another weired thing is that the Photoshop picture file (which is the base of the design) is 18MB so I was expecting the PDF to be around 20MB. (not 33MB and for sure not 7MB)

I don't understand what's going on and how is it possible that the same file comes out in totaly different size...ohh and I don't see any difference with quality either.

Any help will be much appreciated!

Thanks guys!

Import and export

This topic has been closed for replies.

R

Rotem#7Author

Participant

First of all thanks for the replys!

I actually have a special PDF preset for these trophies. (and Illustrator editing capabilities is ticked off)

My problem is not with the size of the file as I was expextin it to be large (around 20MB), what I don't understand is how is it possible that by saving the same file (with 1 word changed) I get PDF's with totaly different sizes?

If all files were 30MB or 7MB I wouldn't be asking this. 🙂

Juat think you have a file open, you save it 2 times (only chane 1 word) and 1 file is 30MB while the other is 7MB...

I don't get it.

I know Illustrator, unlike Photoshop, is vector based and I'm trying to learn how to work with it. I'm using Google a lot to figure out how to do stuff. (ie. I changed the Documet Raster Effect Setting to 300)

Anyway, like I said the file size is not an issue, what I want to know is why 2 files end up with 2 different sizes. 🙂

Thanks!

Ton Frederiks

Community Expert

If it is the same file, saved in the same way and the filesize is changed a lot only by changing a word (same font?) that sounds strange.

R

Rotem#7Author

Participant

Yes, same font.

look, I have a base image I made in Photoshop which is around 18MB as the trophy size is around 37cm by 34cm and I made it in 300dpi so the file is quite large. Every time I saved it I only chaged the category name and the winner podium position plate design. (ie. Beginners and 1st place "plate like" design, Senior 2nd place, Expert 3rd place etc)

I can upload 2 different sized files if you guys think it will help...

Thanks!

B

Bobby Henderson

Community Expert

Lots of factors can be involved for varying file sizes in exported PDFs when hopping the artwork between two or more applications. The native resolution of the Photoshop image is one factor. Image compression type and severity level when creating the PDF is another factor. Illustrator is primarily a vector-based drawing program, not a pixel-based image editor like Photoshop. Still, Illustrator's raster effects setting can be a factor. Color profiles add data to the overall file size.

Ton Frederiks

Community Expert

Many possible reasons. One is that Illustraor always uses the uncompressed version of an image. the other one is saving an PDF file with Illustrator editing capabilities On which makes the image saved twice, in the AI and PDF part of the file, as with an Illustrator file with PDF compatibilty checked.

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