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How to correctly upload your painting and other artworks online

August 30, 2018

a guy checks his camera for image upload for online gallery artatler.com

 

This is a guide on how to upload a painting (or any other artworks) to be showcased online, whether it's for an online shop or online gallery, because unfortunately, a lot of painters / non digital artists do not do a very good job of photographing their artwork. This is due primarily to a lack of knowledge about things like image resolution, JPEG compression, image resizing and so on. 

Also, click here or scroll to the bottom to read - Acceptable / Recommended Image Dimensions when you are uploading your works for Artatler Online Gallery.

If this is something that you already know, and you want to have your online gallery which Artatler Gallery provides, click here to apply

How to upload your artworks

When you're photographing an image for printing purposes, here are the important things to consider: 

  1. You need to use the highest-resolution camera that you have available. Higher resolution = better image. A 5-megapixel camera is better than a 2-megapixel camera. A 10-megapixel camera is better than a 5-megapixel camera.
  2. You need to photograph your artwork using evenly distributed lighting (i.e. no flash). Ideally, you would want to set up some professional lighting like they use in portrait studios. Since most of us don't have access to professional lighting, the next best option is to photograph your artwork in outside sunlight.
  3. You need to make sure that your camera is steady when you shoot the image (i.e. use a tripod). If you hold the camera in your hand, your hand is going to be shaking when you press the shutter button, and your image will be blurry as a result. A little bit of blur won't be noticeable on small prints... but you need to keep in mind that our printing partner offers prints up to 10 feet wide!
  4. You need to make sure that your camera is on the highest possible quality setting. If you own a 10 megapixel camera, for instance, you have the option of lowering the quality setting on the camera in order to shoot a 1 megapixel image, if you want to. That's definitely not what you want to do. Make sure that the camera is on the highest possible setting.
  5. After you shoot the image, you'll obviously transfer the image over to your PC. At this point, you need to open the image in Photoshop or some other photo-editing program and do the following:
    1. zoom in to full resolution (i.e. one pixel in the image = one pixel on your computer screen) and make sure that the image isn't blurry
    2. crop the image so that you can't see the background (i.e. easel, wall, etc.)
    3. adjust the brightness and contrast, if necessary
    4. adjust the color settings, if necessary
    5. digitally sharpen the image, if desired
    6. save the image as a JPEG / JPG / PNG file (we suggest JPEG)
  6. You SHOULD NOT DO ANY OF THE FOLLOWING:
    1. enlarge the image
    2. save the image with too much JPEG compression
  7. Do not, under any circumstances, enlarge your image. Doing so instantly ruins the image for printing purposes. If you shoot your image with a 3 megapixel camera, for example, you'll end up with an image that is roughly 2000 pixels by 1600 pixels. At that image size, you'll be able to sell prints that are up to 20" x 16" in size. A lot of times, artists will say "hey, I want to sell this image as a 40" x 32" print - I'll just enlarge the image in PhotoShop". You definitely should NOT do that. Again, when you enlarge an image, it instantly becomes blurry, blocky, and unusable. If you want to produce a print that's 40" x 32", then your image needs to be at least 4000 pixels x 3200 pixels... which means that you need to go purchase a 13 megapixel camera.

    4000 pixels x 3200 pixels = 12.8 million pixels = 12.8 megapixels.

    There is no other way around it. Again - I can't stress this enough - you should not enlarge your image using software.

    Also - don't adjust the DPI settings. DPI doesn't matter. All that matters is the actual image size (e.g. 4000 pixels x 3000 pixels). As long as you don't enlarge your image, you'll be fine.
  8. Also, when you save your image, make sure that the JPEG compression setting is as low as possible (minimal compression). JPEG compression is a feature that allows you to reduce the quality of your image in order to conserve space on your hard drive. For example, your 4000 pixel x 3200 pixel image might take up 15 MB of hard drive space when you transfer it over from your camera. Then, you open it up in PhotoShop and crop it, sharpen it, etc. When you go to resave the image, you might accidentally have JPEG compression turned up too high. When you click "save", your image will be save at a reduced quality. The image will still be 4000 pixels x 3200 pixels, but now it might only take up 3 MB on your hard drive.

    How is that possible? The JPEG compression actually removes details from the image in order to conserve hard drive space. The finer details of the image are lost, and the image becomes blocky. Please note - the effects of JPEG compression are irreversable. Once you save your image with a lot of compression, you CAN NOT go back. The details of your image are permanently lost, and you'll need to reshoot the image with your camera again.
  9. When viewed from a distance... or when viewed as a small image on a website, the loss of detail in a compressed image isn't noticeable. However, when viewed closely or printed at a large size (e.g. 30" x 20"), the image quality can be absolutely terrible. 

Other Important Notes:

On our website, your artwork image is displayed as a 600 pixel x 600 pixel image. At that size, your buyer likes what he sees and might make a purchase. 

However, your high-resolution image could be very, very blocky and blurry when viewed at full-resolution if the above guides are not followed.

In this case, your image would make a terrible print. 

Acceptable vs. Recommended Image Dimensions

This is a partial list of available sizes. The largest size that our printing partner can print is 50" x 108" (1" or 1 inch = 2.54 cm)

 Print Width (inch) Print Height (inch) Minimum Acceptable Dimensions (pixels) Minimum Recommended Dimensions (pixels)
12" 6" 1200 x 600 3600 x 1800
12"
8"
1200 x 800
3600 x 2400
12"
10"
1200 x 1000
3600 x 3000
12"
12"
1200 x 1200
3600 x 3600
12"
16"
1200 x 1600
3600 x 4800
12"
20"
1200 x 2000
3600 x 6000
12"
24"
1200 x 2400
3600 x 7200
12"
30"
1200 x 3000
3600 x 9000
12"
36"
1200 x 3600
3600 x 10800
12"
40"
1200 x 4000
3600 x 12000
16"
6"
1600 x 600 4800 x 1800
16"
8"
1600 x 800
4800 x 2400
16"
10"
1600 x 1000
4800 x 3000
16"
12"
1600 x 1200
4800 x 3600
16"
16"
1600 x 1600
4800 x 4800
16"
20"
1600 x 2000
4800 x 6000
16"
24"
1600 x 2400
4800 x 7200
16"
30"
1600 x 3000
4800 x 9000
16"
36"
1600 x 3600
4800 x 10800
16"
40"
1600 x 4000
4800 x 12000
20" 6" 2000 x 600
6000 x 1800
20"
8"
2000 x 800
6000 x 2400
20"
10"
2000 x 1000
6000 x 3000
20"
12"
2000 x 1200
6000 x 3600
20"
16"
2000 x 1600
6000 x 4800
20"
20"
2000 x 2000
6000 x 6000
20"
24"
2000 x 2400
6000 x 7200
20"
30"
2000 x 3000
6000 x 9000
20"
36"
2000 x 3600
6000 x 10800
20"
40"
2000 x 4000
6000 x 12000
24" 6" 2400 x 600 7200 x 1800
24"
8"
2400 x 800
7200 x 2400
24"
10"
2400 x 1000
7200 x 3000
24"
12"
2400 x 1200
7200 x 3600
24"
16"
2400 x 1600
7200 x 4800
24"
20"
2400 x 2000
7200 x 6000
24"
24"
2400 x 2400
7200 x 7200
24"
30"
2400 x 3000
7200 x 9000
24"
36"
2400 x 3600
7200 x 10800
24"
40"
2400 x 4000
7200 x 12000
30" 6" 3000 x 600 9000 x 1800
30"
8"
3000 x 800
9000 x 2400
30"
10"
3000 x 1000
9000 x 3000
30"
12"
3000 x 1200
9000 x 3600
30"
16"
3000 x 1600
9000 x 4800
30"
20"
3000 x 2000
9000 x 6000
30"
24"
3000 x 2400
9000 x 7200
30"
30"
3000 x 3000
9000 x 9000
30"
36"
3000 x 3600
9000 x 10800
30"
40"
3000 x 4000
9000 x 12000
36" 6" 3600 x 600 10800 x 1800
36"
8"
3600 x 800
10800 x 2400
36"
10"
3600 x 1000
10800 x 3000
36"
12"
3600 x 1200
10800 x 3600
36"
16"
3600 x 1600
10800 x 4800
36"
20"
3600 x 2000
10800 x 6000
36"
24"
3600 x 2400
10800 x 7200
36"
30"
3600 x 3000
10800 x 9000
36"
36"
3600 x 3600
10800 x 10800
36"
40"
3600 x 4000
10800 x 12000
40" 6" 4000 x 600 12000 x 1800
40"
8"
4000 x 800
12000 x 2400
40"
10"
4000 x 1000
12000 x 3000
40"
12"
4000 x 1200
12000 x 3600
40"
16"
4000 x 1600
12000 x 4800
40"
20"
4000 x 2000
12000 x 6000
40"
24"
4000 x 2400
12000 x 7200
40"
30"
4000 x 3000
12000 x 9000
40"
36"
4000 x 3600
12000 x 10800
40"
40"
4000 x 4000
12000 x 12000

This is a partial list of available sizes. The largest size that our printing partner can print is 50" x 108" (1" or 1 inch = 2.54 cm)

Source: FAA Forum | Artatler Gallery Printing Partner.





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