Why do you strip EXIF data.

[nextSibling]

As others have said, don't assume the EXIF data has been stripped deliberately. By the time a picture is displayed here it might have been through several processing steps in different applications, any one of which might not have retained the data. There's a lot of possibilities and not all software treats EXIF equally.

There's also a chance that the data is there, but whatever you're using to read it, can't. Again, different applications and devices implement the EXIF standard differently and complete compatibility doesn't always happen. For example, EXIF will often show up fine with many of my pictures on smugmug, but the Firefox browser extension I'm using will sometimes be unable to read it in this forum.

Short version: It's still a somewhat fragile technology.

--
http://viewfromthisside.smugmug.com

 

[Col K10d]

Version 5... I guess its using the export to web option?

What version of Elements do you have? My version 5.0 retains the
EXIF data after resizing and upload.

Allan in Colorado, USA

--



Col™

 

[Joel46819]

I am not saying anyone is deliberately removing it, I am saying people should try to retain it. I also use Firefox, and don't seem to have that problem. I am using EXIF viewer 1.30 extension if that helps you.
--
Joel

My Location:
New Jersey, USA
My On-Line Album: http://joelsphotos.waxman.org

 

[Joel46819]

To be very honest, I don't know how it handles JPG files, all I know it leaves a file that is fine for viewing on the web. As far as pixel snooping there is nothing that would do it for some here.
--
Joel

My Location:
New Jersey, USA
My On-Line Album: http://joelsphotos.waxman.org

 

[TMalford]

To answer your subject line question, I use "save for the web" and allow this process the strip the data because it reduces file size.

So please don't remove the data.

I'm not ready to do that. If you have a question about an image I've posted, feel free to ask.

GMT minus 8



One lens leads to another.
http://www.gorgephotos.com/

 

[richardplondon]

Save for Web was conceived for website design and development (webpage graphics) and not for photography forums and hosting.

Website graphics are highly optimised and every byte counts. Each dpreview page contains dozens of little tiny background images, all the round-cornered frames and such. No EXIF in any of that.

Retaining EXIF is the exceptional requirement, and stripping it out is the norm, taking all the various types of Photoshop usage into account.

RP

 

[richardplondon]

I upload a medium or large JPG to flickr, with EXIF. I link (not embed) to this when I think people might be interested.

flickr automatically makes lowres versions, stripped of EXIF unfortunately. Not my fault. (I am not prepared to upload each image in different sizes.)

These flickr-resized ones are what I would embed in dpreview posts. They are fast to load when people read my posts. However, 100% crops are always posted from an uploaded original, so DO have EXIF.

Linking to the flickr gallery also, lets anyone interested see all the photos in the set - with their EXIF presented, as text, by flickr (click "more info").

RP

 

[OzSavage]

I am just one of those purists that like to know the mechanics of a
photo.

So back in the dark ages of film & wet prints, when you viewed an image you needed to know all the technical details?

While EXIF data is handy at times, I rarely, if ever, go looking for it in other peoples photos.

--
Dave Savage
GMT +8:00 hrs

 

[pentaxiantrooper]

It's not about pixel peeking, when saving JPEGs that aren't going to be moved around the web unmodified(for upload to flickr or similar) i always set subsampling to 1x1,1x1,1x1 for downsampled images just 2x1, 1x1, 1x1, it's rare that i'll leave images at the default subsampling settings as it does horrible things to colour and sharpness in certain types of images, i can sometimes use slightly higher compression with better quality subsampling and get better looking images that occupy slightly less space than defaults would provide.
http://gimp-win.sourceforge.net/

 

[Joel46819]

For those that say that their hosting removes the EXIF, Photobucket leaves it in.
--
Joel

My Location:
New Jersey, USA
My On-Line Album: http://joelsphotos.waxman.org

 

[Msroberts]

I have noticed that many photos posted no longer have the EXIF data
available. Don't you think it is a huge benefit not to strip the
data?

Sometimes it's a benefit to strip the EXIF data: It makes people comment honestly on the image without being prejudiced by what they "know" about the equipment being used.

--
Mark Roberts
Web site: http://www.robertstech.com/
Photoblog: http://www.robertstech.com/peso.htm

 

[Joel46819]

To be honest i never think of it that way. Also I do submit photos here and don't strip the EXIF. I do find this isn't the place to truly ask for critique as I feel this is a hardware based forum more than a photo based as other forums are. People here are more interested in the lens and the camera. Which there is nothing at all wrong with, in many ways it is the best place for equipment info where other sites are not.
--
Joel

My Location:
New Jersey, USA
My On-Line Album: http://joelsphotos.waxman.org

 

[egarrard]

I don't think there is anything in my EXIF that results in a privacy
issue. If you are afraid of owner information, must graphics programs
allow you to edit this section as it doesn't exist unless you put it
there. So what is the privacy issue?

In that it's none of your business and they have the right to deny you the EXIF info if they want. It's their picture, not yours.

You are more than welcome to take your own pictures and post them with the info intact. Those ARE yours to do with as you please.

 

[border lord]

I don't think there is anything in my EXIF that results in a privacy
issue. If you are afraid of owner information, must graphics programs
allow you to edit this section as it doesn't exist unless you put it
there. So what is the privacy issue?
--

There is more information in Exif than you may think. Try out a program called PhotoME: it can show you things such as number of shutter operations, type of batteries and condition, the lens you used, and more. (depending on camera). Also capable of showing GPS coordinates if camera has that enabled. Some people may not want this info made public.

BOSS: I looked at your photo album online. You were at the beach taking pictures when you said you were home sick - clean out your desk.

BL

 

[Negative287]

It's been my experience that some do it to hide info while others have it done by their chosen software (which to me seems bizarre to still have applications with issues retaining EXIF Data).

I know that the only images I've lost it on were images that I processed using a certain Method in Photoshop that require the result to be a new image.

--



'The probability that we may fall in the struggle ought not to deter us from the support of a cause we believe to be just; it shall not deter me.' -- Abraham Lincoln

 

[nosnoop]

I don't think there is anything in my EXIF that results in a privacy
issue. If you are afraid of owner information, must graphics programs
allow you to edit this section as it doesn't exist unless you put it
there. So what is the privacy issue?

Actually, many tools are now able to extract more and more info from the Exif such as camera's life time shot counts (which I never knew it could be possible from exif included in every pics), internal serial numbers etc. And who knows what other info is contained inside - that's my main concern.

I wish there is a program which can just retain the essential stuff (like aperture, shutter speed, focal length etc) and delete the rest.

 

[Jos de Bont]

Because of your question I looked at my photo's and niticed that the EXIF of some of them was disappeared. I noticed that it has happened after I did start using the "save for web" tool in Photoshop Elements 5. Even after I resized photo's with Windows Paint, which I did before, the EXIF was still there. I expected it be the other way around.

From now on, I will use the "save as" methode, to not loose the EXIF, because I find it handy as well.

Thanks for pointing this out for me.

With kind regards,

Jos de Bont



http://www.xs4all.nl/~josdeb/

 

[Joel46819]

I don't think there is anything in my EXIF that results in a privacy
issue. If you are afraid of owner information, must graphics programs
allow you to edit this section as it doesn't exist unless you put it
there. So what is the privacy issue?

In that it's none of your business and they have the right to deny
you the EXIF info if they want. It's their picture, not yours.

You are more than welcome to take your own pictures and post them
with the info intact. Those ARE yours to do with as you please.

I think you have made to much of a big deal regarding my question. It was only a question not an attack on your privacy. As far as I am concerned I have nothing to hide, if it bothers you don't post it. Plain and simple, don't get hot under the collar. This is no place for a flame war.
--
Joel

My Location:
New Jersey, USA
My On-Line Album: http://joelsphotos.waxman.org