JPEG - named after its creator the Joint Photographic Expert Group - (`/ˈdʒeɪpɛɡ/ jay-peg`) (seen most often with the `.jpg` extension) is a commonly used method of lossy compression for digital photography (i.e. images).

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14
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9answers
60k views

Facebook: Ways to preserve image quality of uploaded images?

After uploading an image, Facebook converts it to a new image. Their conversion process introduces artifacts and mottling to the magenta-ish parts of the image. Original image: Facebook's ...
5
votes
7answers
45k views

Can't save PSD as JPEG

I have a PSD file with one layer. When I try to save as JPEG it doesn't show JPEG and other formats as an option. It only displays a limited set of formats (5) including Photoshop. When I manually ...
5
votes
2answers
1k views

Image looks 'foggy' when exported as jpeg from Photoshop

Im editing an image for print and ive got it all set up how i want in Photoshop (cs5), but when i go to File > Save as > Jpeg (quality 12, Baseline standard) the colours all seem duller and ...
5
votes
3answers
1k views

CMYK JPEGs extracted from PDF appear inverted

I am having to deal with CMYK JPEGs extracted from a PDF source. The PDFs were created with Photoshop. The problem is that Photoshop stores JPEG CMYK data in PDF/EPS using "normal" values, whereas in ...
3
votes
5answers
2k views

Why does saving low quality JPGs as high quality in Photoshop increase their file size?

I have a low quality background image that is about 85kb. If I open the file in Photoshop and then save it at 100% quality, the file size increases to 640kb. This doesn't make sense, the image is ...
3
votes
1answer
574 views

Merging Layers Before Saving?

I read somewhere that before you save your photo you should merge the layers, including watermarks, before saving then save. My question is this: Is there any benefit to merging the layers (or ...
3
votes
1answer
397 views

How to determine what quality a JPG was saved as?

When saving JPG images with Pixelmator or Photoshop, I select a quality from the scale 1–100 that gives optimum file-size. Later on, I sometimes take these images and crop them a little more (not ...
3
votes
2answers
271 views

How to fill with similar colours?

I have this image that have been damaged by JPG, and would very much like to restore it, as if it had never been compressed with JPG. Can someone help me with this? I assume I need to fill with ...
3
votes
2answers
210 views

Why JPEG files saved in my digital camera are higher size vs JPEG files saved in my computer?

When I took pictures using my digicam, it saves those on higher size (over 1 MB) JPEG files. What I usually do is that I open them on some image editing application such as Paint (windows) or Preview ...
2
votes
4answers
9k views
2
votes
3answers
5k views

What are lossless image format?

What are lossless image format?
2
votes
2answers
1k views

Clipping mask retained in jpg file

I have a JPG which appears to of retained a clipping mask: (http://gdh.guildmembers.co.uk/logos/LEVENE%20MAG.jpg) When this file is opened in photoshop / fireworks and then the "Paths" tab is ...
2
votes
2answers
81 views

Small JPEG image (just 21.8 KB) without lack of quality — why is that?

This image size is just 21.8 KB without lack of quality. Why is that? How is it done?
2
votes
5answers
7k views

“placed” Photoshop images in Illustrator - blurry when saved as .pdf?

I've edited some images in Photoshop to be used in a .pdf I'm creating in Illustrator. In PS, the images looked great and were saved with the following settings: .jpg/CMYK/Image Options: 10/Maximum. I ...
2
votes
1answer
92 views

Illustrator CS6 Actions

Is there a way to create an export action in Illustrator where each time the action is run, it asks for a location to export to? I work on multiple projects where the exported JPEGs need to go into ...
1
vote
2answers
106 views

My printer is asking me for a huge jpeg that makes AI run out of memory. How do I fix that?

I require a 10ft x 10ft banner. My printer asked HI-resolution .jpeg file in actual size (1:1), but when I make the .jpeg file, pop up show I get an error of insufficient memory. How much memory is ...
1
vote
4answers
703 views

Resizing/shrinking .JPG files without losing quality?

Im using Gimp to resize images. When using a high res image normally 4500 x 2994 i usually need to shrink this image to 325 x 130 pixels. As you can imagine i loose the shiny, glossy and high res ...
1
vote
3answers
3k views

how to import a mathematical equation in Corel Draw X5

I have a problem I could not solve. I am doing a poster in Corel Draw X5, and as it is a physics poster, I need to put mathematical equations in it. The Corel built in text editor is just completely ...
1
vote
2answers
112 views

Photoshop ruler guides embedded in JPEG image?

I saved an image of an iPhone from Google and when I opened it in Photoshop, it had ruler marks set in place around the phone. I've never seen or even heard of such a thing before. I thought it was my ...
1
vote
1answer
288 views

Does it make sense to convert jpg image files to dng files upon import into Lightroom?

As far as I understand, converting input files to DNG is reasonable for Raw files only. Or is there any benefit if I convert jpgs to dng?
0
votes
4answers
91 views

Which raster image format is better for digitally displaying images when there is no transparency; JPEG or PNG?

I'm trying to determine which format is better to use when there is no transparency in an image. More importantly though, I'm trying to figure out when it's better to use one over the other. From ...
0
votes
3answers
3k views

Create jpg image with good quality

I'm trying to save a jpg image but it's getting a bit blurred. I have it nicely in my image editor, but saving the image is not giving the quality I need, even with max quality defined. If I save it ...
0
votes
1answer
87 views

Why does my compressed JPG have different colors from the original file?

I have no idea at all, first of all, of image internal composition and color modes. That said, I have a very strange problem. These are the pictures: Well, the ORIGINAL is more colorful in ...
0
votes
3answers
158 views

why does photoshop auto-rotate images when opening?

I am using scripting in Photoshop to process jpg files that are uploaded through a website. I occasionally get images that are rotated differently when you open them in Photoshop vs. Windows Previewer ...
0
votes
1answer
168 views

If I have a directory of JPEG's, how can I create one long stitched image?

I exported a Flash video (.flv) to jpeg sequence. All 450 frames are in a folder, and now I'd like to stitch them all together so the result is one super long image. For example, instead of 450 ...
0
votes
1answer
352 views

Could not open JPG file in Photoshop

I download Image from an Internet and want to open this jpeg Image in Photoshop but I got an errorCould not complete your request because of a problem parsing the JPEG Data.
0
votes
2answers
95 views

What's the best file type for photos to be brought into InDesign?

I'm building a newsletter in InDesign and have some company photos of people's faces. What file type should I use to place them in my InDesign file? JPEG TIFF EPS PSD
0
votes
1answer
62 views

How to save a channels file to a format that can be emailed?

I have a PSD file in channels and want to convert (flatten?) it to something I can email to a client to show progress on the design. How is this done?
0
votes
1answer
88 views

How to draw low-size/weight images of geometric shapes

I searched this on google but didn't find anything useful. I want to draw images for my website for mathematical questions like circles, triangles, angles, etc.I tried Dia for this purpose but the ...
0
votes
1answer
5k views

How can I convert a JPEG to a transparent GIF image, replacing white with transparency?

So I have a JPEG with a white background and want to make it a transparent GIF without walk around job and without Photoshop also. So is there a way to create a transparent GIF image from usual JPEG ...
0
votes
0answers
18 views

How to make a .jpg into a vector using Adobe Illustrator? [duplicate]

Is it possible to make a .jpg image into a vector using Adobe Illustrator? If so, how?
-1
votes
1answer
793 views

What's the maximum file size of a jpg image? [closed]

I'm attempting to ascertain the maximum file size possible of a jpg to detect when someone has hidden additional data (viruses etc) within it. Assuming that you have an image that is 640x480 with no ...
-1
votes
4answers
377 views

How to reduce the file size of a PSD image with minimal quality loss?

I have a full colour PSD image file which I want to convert to a format that can be easily shared on the web. The current size is of the PSD is around 7MB. I want to reduce the file size to ...
-3
votes
1answer
59 views

How do I apply a border on a picture from another picture [closed]

I want to add the border on this picture: to this picture: How do I accomplish this?