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Questions tagged [jpeg]

JPEG is an adjustable "lossy" compression method commonly used in digital photograph. The most common filename extensions for images using the JPEG format are .jpg and .jpeg. Compare to alternative image formats such as TIFF and the various RAW formats.

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9 votes
4 answers
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Is it not ideal to save image as PNG for printing?

So the scenario: I want to order a print of one of my images. It is a special image and will be relatively large (a couple of metres) so I want it to be perfect as possible. I have the RAW file, ...
adam's user avatar
  • 699
3 votes
1 answer
520 views

Coolpix P900 artifacts

Although I declare myself very satisfied with my Nikon Coolpix P900, I've had in my recent trip in South America numerous pictures blurred by a random artifact, and I would like to know how to avoid ...
BigBoozer's user avatar
15 votes
2 answers
2k views

Why does the histogram of an image depends on the software that opened it?

If I open a raw image in Photoshop and Paintshop pro their histograms and their look is different. However, if I open a Jpeg image in both Software, then their histogram and look is the same. What ...
MOON's user avatar
  • 335
2 votes
3 answers
516 views

How can I make sure my photos aren't damaged after copying them from a faulty SD card?

I’ve copied pictures from my faulty SD card. Most of the photos seem to be ok, but some have big gray parts where originally the photo was. How can I make sure that all the photos that seem to be ok, ...
SwingNoob's user avatar
3 votes
1 answer
421 views

How to copy images without losing their size? [closed]

For a project it has been specified that my images need to be at least 6MB. However, whenever I copy or move them around they dramatically decrease in size - and that is even before I have edited them ...
Ellie's user avatar
  • 31
2 votes
2 answers
1k views

After soft-proofing in Lightroom, which color space should I embed with the exported JPG?

Let's say I've loaded my print shop's ICC profile for the printer/paper/ink combination I'll be using into Lightroom, I've soft-proofed the image in the Developer module with said ICC profile, and I'm ...
the_meter413's user avatar
1 vote
4 answers
3k views

Why does increasing the dpi of an image on export from Lightroom not increase the file size? [duplicate]

I have a Nikon D3300. RAW images are usually 25-28 MB at a resolution of 6000 x 4000. I exported from Lightroom at Quality: 100; DPI: 240. The exported JPEG turns ...
SamuraiJack's user avatar
3 votes
2 answers
2k views

How do I find raw files corresponding to selected JPEGS

I shoot RAW + JPEG on fujifilm cameras and 90% of the time I'm fully content with my jpeg images but a few could use some editing. To save time I would like to cull my photos into three categories: ...
Shawn's user avatar
  • 139
4 votes
2 answers
3k views

Why are JPEG images from camera huge and the same images exported from Vistaprint software 10 times smaller?

JPEG images from my Nikon D3300 are roughly 12-15MB big at 6000 x 4000resolution. RAW ...
SamuraiJack's user avatar
0 votes
2 answers
677 views

Trying to understand losses in jpg compression

I have a bunch of jpegs taken with a Nikon D3200 at 6016 x 4000. They weigh between 9M and 12M each. To try and reduce space a bit, I compressed copies with the default Windows utility, and the new ...
Martin Argerami's user avatar
6 votes
3 answers
9k views

JPG and file sizes - BASIC facts for dummy

Am I losing quality of the pictures when the size of the file drops? My daughter is sending me some JPG pics to edit for her. The file sizes start around 11MB & 3264x4928. After I do some mild ...
LittleLex's user avatar
1 vote
3 answers
2k views

Is it possible for jpg images of the same source have different file sizes but the same quality?

I have been using Google Photos as a way of backing up my photos. I noticed recently that they store two versions of any photo I upload, one with the original name of the file, say, ...
user321627's user avatar
2 votes
1 answer
672 views

Darktable Switch between RAW and JPEG

I always shoot RAW + JPEG so i see both in darktable conected witch a yellow frame. Is there a shortcut to easy switch between both while editing or even compare them side by side? best regards ...
Michael's user avatar
  • 21
4 votes
1 answer
424 views

Film date stamp to jpeg metadata

I'm scanning a bunch of old prints from the days before digital photography. Some of those pictures have a date stamp in the lower right. Is there a tool that will check the corners for a date stamp,...
mjk99's user avatar
  • 141
3 votes
3 answers
650 views

How can I losslessly extract 2D image from a stereoscopic JPEG?

I have some JPEGs captured from a Nintendo 3DS via Miiverse and would like to optimise them for the web. The images are 2D but stored as a stereoscopic JPEG, so each file ends up containing the same ...
spacer GIF's user avatar
19 votes
6 answers
21k views

How can I convert an Apple iOS HEIF image into JPEG?

How can I convert an HEIF/HEIC image into a JPEG? Maybe using ImageMagick?
OneSolitaryNoob's user avatar
2 votes
2 answers
2k views

What does it take to get the Selphy to print an edited JPG?

We took a picture with a digital camera, and used GNU Image Manipulation Program (GIMP) to remove some stuff in the background, and tried to print it on our Canon Selphy CP1200. The print failed, and ...
woodvi's user avatar
  • 123
7 votes
5 answers
5k views

How can I physically rotate a digital photo under Linux?

I was using gThumb version 3.2.7 for some time and I was particularly happy with option "Rotate Image Physically". Because I don't want to rely on EXIF photo rotation data. Recently I bought better ...
Przyczajona_Dzika_Świnia's user avatar
1 vote
1 answer
202 views

How can I configure Lightroom to use the JPEG from the camera for previewing?

I take photos in both RAW and JPEG. Sometimes I might apply a color style on the JPEG in-camera, but when I import the photos in Lightroom, only the RAW is visible. Can I somehow configure Lightroom,...
nuc's user avatar
  • 715
0 votes
4 answers
15k views

will i lose data/quality converting my raw files to jpeg on my pc? [duplicate]

will converting raw files to jpeg be the same as taking a jpeg photo to begin with? or will I keep my raw quality converting it to jpeg post shoot?
Nathan Wood's user avatar
16 votes
3 answers
13k views

Is it possible to find out what compression ratio was used for a particular JPEG?

I have a couple of JPEGs. Is there a way to find out which compression level was used when encoding them? That is, were they encoded at level 60 or 90? The reason I'm asking is because I have a site ...
PetaspeedBeaver's user avatar
1 vote
1 answer
12k views

Color profile inside JPEG file

1) What is the best practice for color profiles embedded in .JPG images, for web? (non print) sRGB profile stored in .JPG file ? AdobeRGB profile stored in .JPG file ? no profile setting in .JPG file ...
Basj's user avatar
  • 356
1 vote
1 answer
160 views

What to do with a jpg too warm? [duplicate]

I accidentally shot in jpg and I have some way too warm photos. What can I do with them?
Mona Lisa's user avatar
0 votes
2 answers
339 views

Batch rename ImageDescription with Pattern for multiple JPEGs

I used IrfanView to rename holiday pictures from my girlfriend and myself to get them in order. I could arrange them and use pattern to add numbers infront of the filenames. The pattern I use for ...
Urknecht's user avatar
  • 101
0 votes
4 answers
31k views

Can I get original JPEG image from CR2 file format? [duplicate]

I am not professional photographer , but i have a professional camera (Canon). I had shoot my pre wedding photos with this camera. So when i was open , it will be converted into black and white after ...
Sagar Vaghela's user avatar
1 vote
1 answer
2k views

How to compress an image to a particular size in jpeg regardless of quality?

Scenario: I have an android app which captures images and sends over to a server. Till now I had been setting 50% quality. But with high end phones with better sensors and resolutions even with that ...
Sudip Bhandari's user avatar
0 votes
1 answer
161 views

Will saving in RAW + JPG provide the same IQ result as saving them both separately?

Storage is cheap nowadays, and carrying a few extra SD-cards aint to heavy. Is there a real downside to this option? Besides filling up more memory and some extended loading times? The question is ...
Tindra's user avatar
  • 812
2 votes
1 answer
310 views

Why is my frame stacked image showing a grid?

The following is an auto-equalised image of 200,000 stacked frames from a small web camera. All the frames are of a very dark grey uniform background, and the histogram mode is about -1.5 stops below ...
Paul Uszak's user avatar
  • 1,014
0 votes
1 answer
195 views

Exporting All Metadata When Exporting JPGs & NEFs To Reduced Size JPGs

In Lightroom, when Exporting NEF and JPG files to reduced size JPGs, How do I get all metadata to export as well? Specifically, my exported files don't include Date Taken or Tags.
David-STL's user avatar
0 votes
2 answers
2k views

I shot using S3 and it's pixelated

I generally shoot L + Raw but this time, I was doing a shoot for a new company and for some reason thought that I could use the "S3" JPEG setting (720x480). They are using them for online. They have ...
Suzanne's user avatar
41 votes
8 answers
20k views

If an image is rotated losslessly, why does the file size change?

I was searching for methods of lossless image rotation and happened upon this question which explains it rather nicely: Are "Windows Photo Viewer" rotations lossless? So I created a 256×...
oscilatingcretin's user avatar
7 votes
7 answers
2k views

Is a JPG guaranteed to produce the same pixels?

I know there are plenty of benefits to shooting in RAW, but at the moment it seems that JPG works just fine for me. The file sizes are way smaller, and darktable seems to work just fine with them (...
Wayne Werner's user avatar
  • 1,251
0 votes
2 answers
79 views

Strange colour in my sky trail photos

I have a D200 and have been trying to take star trails but the photos are red on the corners of the photo. Do you have a simple answer that I am doing something wrong. I had it set for 2 hours.
Trevor Taylor's user avatar
7 votes
2 answers
8k views

Does converting image file formats affect quality?

Does converting image formats, such as from JPG to PNG, have any effect on image quality? I know converting from RAW to JPG has disadvantages, but what about other format conversions?
Mahesh Mankar's user avatar
-4 votes
1 answer
644 views

Maximum jpeg conversion size from a 24 Meg Nef File

Can you tell me how big a JPEG file I can create when converting a NEF file in Lightroom?
Robin J Ramage's user avatar
2 votes
1 answer
204 views

RAW processing steps [duplicate]

I'm novice in RAW processing. I know what a RAW file actually is but what are typical steps I need to do for RAW processing and getting output JPG file manually? Update: I want to get advices what ...
Andriy Kryvtsun's user avatar
0 votes
2 answers
151 views

16-bit wysiwyg image? Not RAW [duplicate]

I like the dynamic range of RAW files, but I don't want raw sensor data, but I don't want 8-bit jpegs. What can I do to get the desired result? Request camera manufacturers to allow TIFF file ...
CQM's user avatar
  • 141
0 votes
2 answers
249 views

Create versions of originals and export as JPEGS with metadata?

I have a library of 20,000+ JPG images and I've now decided it is time to clean up the collection: sort, edit, crop, straighten, delete etc. So I have a few questions: By editing a JPG and exporting ...
ECsAUtaVku's user avatar
3 votes
5 answers
20k views

How can I get my JPEG images to look the same in print as they are on screen?

Recently I took a landscape picture and had it printed in a photolab as I wanted to sell it. It was taken at sunset and although not the brightest lit picture it was still lit well enough to make for ...
Matt's user avatar
  • 31
-1 votes
1 answer
988 views

Quality of image changes drastically after saving as jpg (choosing max quality) from raw

Why does quality of my image changes drastically after editing it (and saving it as jpg with maximum quality ) in photoshop CC RAW. Everything looks great until I save the image. Comparison of the ...
Muhammad Ashar's user avatar
0 votes
2 answers
64 views

Podcast Cover Art Help! [closed]

My Photographer Shot in Raw with 885 × 1024 dimensions. I need this for a podcast cover at 1,400 x 1400 pixels -3,000 x 3000. Please help?
REED's user avatar
  • 1
1 vote
4 answers
1k views

What makes RAW formats better for manipulation than JPEGs or PNGs [duplicate]

So I've seen everyone saying that RAW format is much better for manipulation in photo editing applications like Lightroom than JPEGs or PNGs. While I read some posts here like this and this, I'm ...
danizmax's user avatar
  • 477
3 votes
3 answers
1k views

Quality of JPEG directly from RAW+JPEG versus JPEG embedded in RAW of RAW+JPEG?

When I use ImageMagick's identify command to look at the quality of the JPEG from my camera's RAW+JPEG mode, I see 95. When I use the same to look at the JPEG ...
user541686's user avatar
3 votes
3 answers
986 views

Recover broken images that are corrupt

I had some issues with my computer and sent it out for repairs to a reputable dealer. So far everything came back perfect. I sent it in to be cleaned up and to try and recover some photos that were ...
Charlie B.'s user avatar
0 votes
1 answer
2k views

How to recover original thumbnail of an edited image?

I would like to know if it is possible to recover the original version of an edited picture. The metadata of the picture in question indicates . "Hasthumbnail : False". So how is it possible to ...
Jaykool's user avatar
0 votes
3 answers
1k views

How do I compress my TIFF files to JPEGs of a given size?

An online lab wants my large (over 100 MB) TIFF files as 50 MB JPEGs with a maximum of 80 megapixels for making aluminum 16x24 inch prints. What about final resolution? How do I convert from one to ...
john's user avatar
  • 1
9 votes
9 answers
65k views

How to convert JPEG to RAW in Photoshop or similar?

I am having a competition in which I have to submit images in RAW format. But I have already clicked some images with Nikon D3200 in JPEG.Is there any way to convert JPEG to RAW format in Photoshop or ...
zackygaurav's user avatar
3 votes
1 answer
5k views

How can I view .ctg files taken from my Canon camera?

How can I see the images taken from my Canon camera. All files are converted into CTG, and I could not open either in the camera nor on the PC.
S P Srivastava's user avatar
2 votes
1 answer
23k views

What's the difference between Raw Vs Raw+L mode?

Whats the difference between raw mode and raw+L mode on a digital camera? Which is best for commercial photography?
user46976's user avatar
3 votes
1 answer
1k views

How can I load, edit, and overwrite jpg files with Darktable?

This is a follow up to a question asked on askubuntu: https://askubuntu.com/questions/708759/color-adjustment-for-100-jpg-files-fast-workflow-for-savenext I want to do manual color adjustment for 100 ...
guettli's user avatar
  • 261

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