Social Question

Dutchess_III's avatar

Why do people seem to insist on using PDF to scan and sent documents?

Asked by Dutchess_III (46812points) August 22nd, 2013

I learned long ago that a PDF file uses up mass amounts of memory compared to a JPG file, for example. Also, PDF just reminds me of an electronic Fax….poor reproduction and quality, where as a JPG is a photograph with a much higher quality.

When I was on my own at the jail I always used JPG. After I got sick I got transferred to an outside office, two person office, the other person being my boss, she complained constantly about the computers hanging up. The computer that was assigned to me was used by another teacher who had taken my place at the jail. They’re both really computer illiterate. That computer was so screwed up, it would take literally minutes to open ANYTHING. I got it cleaned up and had no more hanging up issues…unless I messed with a PDF file, so I only got into them when I absolutely HAD to, then I deleted the download immediately.

I didn’t work on Fridays and Judy did. Every Monday morning my computer was hanging up like mad. It would literally take 2 or 3 minutes to open anything. So, as part of my Monday morning procedures, I spent 15 minutes cleaning up the mess, and was good to go until the following Monday. If my boss had known what I was doing, I would have gotten into trouble, but I could NOT do my job under those circumstances.

It got to the point where my boss would say, “Is your computer hanging up?”
Me, “No. No problems at all.”
Boss, “Well, I’m hung up and when Judy works here on Fridays we both have problems but you never do. I don’t understand that.” Trust me…it WAS accusatory!

I just had to bite my lip. I knew from experience that if I suggested using a different format for our downloads and files she would have vetoed it on the grounds of:
1. We have always used PDF.
2. JPG is a picture file (“you idiot” implied) not a document file. We are not sending pictures, we are sending documents (you idiot.)

So are there any benefits to using PDF that I don’t know about? I know that sometimes you can copy it into Word, and fill questions out on the computer (takes a little doing, though) and you can’t do that with JPG, but if all you’re receiving is a pre-completed file, why not use JPG?

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23 Answers

drhat77's avatar

Ever since PDF became open source, everybody has a button “save to pdf”, and probably alot of document scanners save as pdf default.
also, PDF files can save multiple pages, whereas jpeg cannot

ragingloli's avatar

more secure. too easy to put a worm/virus into a jpeg.

tinyfaery's avatar

I’m not sure, but PDFs can be edited while a picture cannot.

ragingloli's avatar

@tinyfaery
It is the other way around.

Dutchess_III's avatar

I mentioned that @tinyfaery. I specified, “Files that don’t need to be edited.”

drhat77's avatar

@tineyfaery you can actually redact a jpeg to say anything you want, but a PDF takes a lot more know-how and leaves a change-trail

Dutchess_III's avatar

No, it’s the OTHER way around @ragingloli!

Dutchess_III's avatar

@drhat77 What do you mean?

drhat77's avatar

@Dutchess_III i can open a jpeg in windows paint, and move letters around with the cut and paste, as long as it’s fairly well aligned

drhat77's avatar

@ragingloli how does a worm get into a jpeg?

tinyfaery's avatar

I edit PDFs every day. We are not able to edit a Jpeg on our network. It is what it is. Maybe it’s because I work in a law office and Lexis does not allow jpeg downloads to file and serve.

Dutchess_III's avatar

You can do a screen print of a PDF and do the same thing, @drhat77.

drhat77's avatar

@Dutchess_III look at tinyfaerie’s answer – I bet you a lot of corp mailservers block jpeg downloads, probably due to that worm issue ragingloli mentioned, but also so people aren’t swapping adorable cat jpegs

ragingloli's avatar

@drhat77
http://www.geek.com/news/updated2-new-virus-embeds-itself-in-jpg-images-549279/
that was from 2002.

@Dutchess_III
yes, but you would only be able to save it as an image file, which you would immediately be able to tell, because you will no longer be able to select and copy text as actual text, even if you save it as a pdf again.

mrentropy's avatar

JPGs can be edited and PDFs can be edited. You can make forms with PDFs that can be filled out and then printed much easier than can be done with a bitmap image.

Also, putting a bunch of pages together in one document is easier with PDFs.

PDFs also can have virus’ stuck in them.

Lightlyseared's avatar

Any jpeg can be added to a PDF without loss of quality (or infact altering the image at all) so you can’t use image quality as a decider.

With a pdf you can convert the scanned text into editable and searchable text so if your documents contain text then PDFs are much much more versatile.

Dutchess_III's avatar

If I were referring to blank forms that needed to be filled out on the computer and resent, I could understand using PDF editing. But in our office, the only things we got and sent were, for example, HS transcripts, set in stone, from 10 years ago. They were strictly for our files, no editing.

For something like that, wouldn’t a lower memory file be acceptable?

Lightlyseared's avatar

@Dutchess_III But if you want to search them for something in particular would you rather have to sit there and look at 10 years of files image by image or have the computer search for you and take you directly to the file you need. And if you don’t need to refer back to the files why are you keeping them in the first place.

Dutchess_III's avatar

It’s not like that. Each student had only 1 or 2 scanned files in his or her folder. Like their last HS transcript. That would just be about ¼ of a page, a transcript from 5 or 10 or 20 years ago, and you would rarely have reason to look at it after you’ve dissected it to determine what classes they need to finish their HS degree (I taught at an adult HS diploma completion program.) We keep the scanned transcripts in case any questions arise as to why we did this or that, or assigned this or that class.

Other files would be in Word or Excel that we created, reports that are updated each time they completed a .5 credit, so total, a student might have 5 files total in his online folder.

There just isn’t that much to search for.

But that was specific to my office. A lawyer’s office or a doctor’s office would be way different.

Silence04's avatar

PDF files aren’t that much bigger than JPG files. You can compress them the same way as a JPG.

PDFs are commonly used for documents for many reasons. To name a few: multipage support, ability to save printing specs, and you can mark up a file and provide notation without affecting the source image.

Dutchess_III's avatar

Yes, I got all that @Silence04. But those weren’t necessary in my office.

So why do PDF take so much longer to open, so much longer to send, AND why did they hang up my computer until I got rid of the download?

drhat77's avatar

Adobe acrobat does take a surprising amount of horsepower. If deleting downloads helps performance, it sounds like you are using virtual ram regularly, which is relic of very old computers. How old is the computer you are working on?

Dutchess_III's avatar

Oh, I don’t know. I’m not working there any more anyway. `

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