Images

David E. Ross

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May 7, 2012, 6:20:28 PM5/7/12

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Is there a difference between a .jpg image and a .jpeg image?

My daughter sent me an E-mail message with attached photos of my
granddaughter. The files had .jpeg extensions. When I tried to open
them with Microsoft Photo Editor (PHOTOED.EXE), I got an error popup
that said "Unknown file format". When I changed the extensions to .jpg,
Photo Editor opened and displayed the photos without any problem.

--

David E. Ross
<http://www.rossde.com/>

Concerned about someone (e.g., the government)
snooping into your E-mail? Use PGP.
See my <http://www.rossde.com/PGP/>

Keith Nuttle

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May 7, 2012, 7:40:26 PM5/7/12

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On 5/7/2012 6:20 PM, David E. Ross wrote:
> Is there a difference between a .jpg image and a .jpeg image?
>
> My daughter sent me an E-mail message with attached photos of my
> granddaughter. The files had .jpeg extensions. When I tried to open
> them with Microsoft Photo Editor (PHOTOED.EXE), I got an error popup
> that said "Unknown file format". When I changed the extensions to .jpg,
> Photo Editor opened and displayed the photos without any problem.
>

There are many free photo editor such as Irfanview, that will handle
both jpg, jpeg, and many other formats. I have used Irfanview for over
10 years and it never has caused any problem and I have never found a
format that it did not open.

Auric__

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May 7, 2012, 9:05:36 PM5/7/12

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David E. Ross wrote:

> Is there a difference between a .jpg image and a .jpeg image?

In general, no -- but it depends on the specific file.

> My daughter sent me an E-mail message with attached photos of my
> granddaughter. The files had .jpeg extensions. When I tried to open
> them with Microsoft Photo Editor (PHOTOED.EXE), I got an error popup
> that said "Unknown file format". When I changed the extensions to .jpg,
> Photo Editor opened and displayed the photos without any problem.

Photoed is seriously stupid. The problem there is usually some sort of
weirdness with the registry (and trust me, not worth it to try to fix). You
can rename all the .jpeg files to .jpg (at a command prompt, do "ren *.jpeg
*.jpg") and that'll fix the problem for those specific files.

But I agree with Keith; Irfanview is an excellent viewer. (It'll even tell
you if a file has the wrong extension and offer to correct it for you.)

--
Whoa! Move over, Archimedes!

Nil

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May 7, 2012, 10:49:04 PM5/7/12

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On 07 May 2012, "David E. Ross" <nob...@nowhere.invalid> wrote in
alt.windows-xp:

> Is there a difference between a .jpg image and a .jpeg image?
>
> My daughter sent me an E-mail message with attached photos of my
> granddaughter. The files had .jpeg extensions. When I tried to
> open them with Microsoft Photo Editor (PHOTOED.EXE), I got an
> error popup that said "Unknown file format". When I changed the
> extensions to .jpg, Photo Editor opened and displayed the photos
> without any problem.

Try dragging the JPEG file and dropping it in an open PHOTOED window,
or changing the file type in its Open dialog box to "All Files..." That
will tell you whether or not the program can deal with that particular
Jpeg format (there are many variations.) If PHOTOED can open it (and I
predict that it will) that simply means that Windows doesn't associate
the .JPEG extension with that program. That can be fixed.

If it *can't* open the file, that means the program is stupidly
written. Find another image viewer. I recommend Irfanview.

David E. Ross

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May 8, 2012, 8:17:47 PM5/8/12

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On 5/7/12 3:20 PM, David E. Ross wrote:
> Is there a difference between a .jpg image and a .jpeg image?
>
> My daughter sent me an E-mail message with attached photos of my
> granddaughter. The files had .jpeg extensions. When I tried to open
> them with Microsoft Photo Editor (PHOTOED.EXE), I got an error popup
> that said "Unknown file format". When I changed the extensions to .jpg,
> Photo Editor opened and displayed the photos without any problem.
>

From a private communication, I discovered that Photo Editor is no
longer supplied by Microsoft. My version was 3.0. I did a search on
the Web and found a version 3.1 as freeware from
<http://www.brothersoft.com/microsoft-photo-editor-128651.html>. This
version handles .jpeg files after I tweaked the File Types for JPG and
JPEG to point to where I installed this version.

Note: I like Photo Editor because it launches very quickly. I use it
to view, crop, and resize image files. For more extensive capabilities,
I use PhotoStudio, which was included with my scanner.

Rob

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May 17, 2012, 8:20:32 AM5/17/12

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On 09/05/2012 01:17, David E. Ross wrote:
> On 5/7/12 3:20 PM, David E. Ross wrote:
>> Is there a difference between a .jpg image and a .jpeg image?
>>
>> My daughter sent me an E-mail message with attached photos of my
>> granddaughter. The files had .jpeg extensions. When I tried to open
>> them with Microsoft Photo Editor (PHOTOED.EXE), I got an error popup
>> that said "Unknown file format". When I changed the extensions to .jpg,
>> Photo Editor opened and displayed the photos without any problem.
>>
>
> From a private communication, I discovered that Photo Editor is no
> longer supplied by Microsoft. My version was 3.0. I did a search on
> the Web and found a version 3.1 as freeware from
> <http://www.brothersoft.com/microsoft-photo-editor-128651.html>. This
> version handles .jpeg files after I tweaked the File Types for JPG and
> JPEG to point to where I installed this version.
>
> Note: I like Photo Editor because it launches very quickly. I use it
> to view, crop, and resize image files. For more extensive capabilities,
> I use PhotoStudio, which was included with my scanner.
>

But still not a patch on IrfanView, which can do all of that (and
faster) plus a *lot* more. Like everyone else who replied, I suggest
you try it. I recently used it to (easily) resize, crop, change
gamma and convert to a different format, on about 50 images, all in
one step (batch mode.)
--
Rob