19 votes
Accepted

What is a resolution unit?

This is in the Exif standard for metadata, on page 26: ResolutionUnit The unit for measuring XResolution and YResolution. The same unit is used for both XResolution and ...
mattdm's user avatar
  • 143k
8 votes
Accepted

Do high export resolutions compromise image safety?

An image doesn't have a DPI until you print it. All it has are dimensions in pixels. Anything else is simply an interpolation of one system to another in order to display on your screen... which is ...
Tetsujin's user avatar
  • 23.3k
8 votes
Accepted

Dealing with RAW + jpg collections in Darktable: I only want to export processed RAW

This seems to be intended behavior in Darktable 2.6 Actually treating the group as a selection of two photos makes sense in most cases (Rating, Deletion, Move etc). However the good developers of DT ...
qwazix's user avatar
  • 265
5 votes

What is a resolution unit?

From MSDN Knowledge Database System.Image.ResolutionUnit Indicates the resolution units. Used for images with a non-square aspect ratio, but without meaningful absolute dimensions. 1 = No ...
aaaaa says reinstate Monica's user avatar
5 votes

Why are my Lightroom-exported images very small, like 300-400 KB?

You have the Resize to Fit option checked in the Image Sizing section. This is going to resize the image, making it smaller. If your RAW file is 25MB, it must be about 20mp, or approximately 5790px in ...
Mike Dixon's user avatar
5 votes
Accepted

Why are my Lightroom-exported images very small, like 300-400 KB?

Why image's are very small like 300-400kb after export from Lightroom? Judging by your screenshot, it's because you're resizing them and exporting them as a JPEG file. Those 25MB files you have are ...
Caleb's user avatar
  • 31.7k
5 votes

What's the best software for reading and writing image tags to and from image meta data fields?

Phil Harvey's ExifTool seems to be the perfect choice for such a task. This is the most comprehensive image tag reader (and manipulator), and it has perhaps the most complete catalog of the known tags ...
Zeus's user avatar
  • 1,549
4 votes
Accepted

Is it possible to batch export all processed photos in Lightroom?

You can create a smart collection with a "Has adjustments" set to "true" rule. Then all of the processed photos will be in that collection and you will be able to export them at once.
dannemp's user avatar
  • 577
4 votes
Accepted

Why do my images look fine in Lightroom itself but poor quality when I export them?

That looks more like color banding due to lower bit-depth and jpeg compression than noise. Such banding often looks very similar to chrominance noise. Increase the JPEG quality when you export so ...
Michael C's user avatar
  • 175k
4 votes
Accepted

Force Lightroom Classic to write entire image at once during export? (Exporting to network-mounted GCS bucket)

It seems extremely unlikely that Lightroom would include a setting (whether obvious or secret) to deal with this obscure situation. I think you're in a situation where the old joke applies: Doctor! ...
mattdm's user avatar
  • 143k
3 votes
Accepted

Export from Lightroom cc15 without original files

Unless you have the originals you will only be able to extract the preview images, which will be of lower quality. Adobe has a script which can do the extraction here. Adobe notes that The ...
BobT's user avatar
  • 6,734
2 votes

Snapseed photo looks different (unedited) when exported

I had the same problem and I think I just figured it out. When you do many edits on an image, including different times using the healing tools, at the end even though the image looks good, some parts ...
Anthony's user avatar
  • 21
2 votes
Accepted

How to export all folders of photos from Lightroom?

It sounds like the plugin Tree Export could work for you. https://www.photographers-toolbox.com/products/lrtreeexporter.php "LR/TreeExporter is an export plugin for Lightroom 2 or higher that allows ...
rob j crowe's user avatar
  • 1,401
2 votes

Darktable losing wanted night sky detail when exporting to JPEG

Preview and exported images look different because the demosaicking and interpolation algorithms used are different. Even when viewing the exported image at reduced magnification, the down-sampling ...
xiota's user avatar
  • 27k
2 votes

Using Darktable, how to batch convert from RAW to another supported format

After some exploration, it is actually quite straight-forward. The process can be adapted for your own conversion requirements, but I wanted 8-bit TIFF - the reason why is irrelevant. Open up '...
Fiddy Bux's user avatar
  • 149
2 votes
Accepted

Does ImageMagick export PNG faster than Photoshop?

There is an imagemagick section to Stackoverflow and any follow up should go as a new question there? ...
Bonzo's user avatar
  • 132
2 votes

How do I Include IPTC metadata for rights usage terms in a JPEG exported from Lightroom?

According to the article which qrk listed in the comments area the "Rights Usage Terms" property along with other properties may not be visible to all applications under Windows 10. I do ...
Robertcode's user avatar
2 votes
Accepted

What's the best software for reading and writing image tags to and from image meta data fields?

ExifTool has been mentioned, another tool for this job is exiv2.
wonderbear's user avatar
2 votes

Exporting from LR is suddenly saving much smaller files

The size of the output file is very dependent on content. Blurry images or images with somewhat uniform areas produce significantly smaller files. Also, check the chroma sub-sampling setting if it is ...
xenoid's user avatar
  • 21.3k
1 vote

Image artefacts when exporting RAW to JPEG

When previewing the images in windows photos you are probably viewing the embedded jpeg images with default camera processing applied. If you used Canon's software, that can apply the camera's jpeg ...
Steven Kersting's user avatar
1 vote

How do I Include IPTC metadata for rights usage terms in a JPEG exported from Lightroom?

Is there a way to get Lightroom to include the "Rights Usage Terms" attribute in the exported file under Windows 10? Lightroom is including that data. The problem is that Windows will not ...
StarGeek's user avatar
  • 3,803
1 vote

Color profiles in export as and automated batch export are different

When you do Automate -> Batch, you refer to a certain script (or "action" in the Photoshop parlance). Just make that action explicitly save the image ...
Zeus's user avatar
  • 1,549
1 vote

How can I export photos from lightroom CC with filenames ordered by capture date / timestamp?

Step 1: Put your images in an album and order your images by capture date in Lightroom CC Step 2: Select all your images Step 3: Click on export (Custom, not the preset ones) Step 4: Choose a custom ...
bersling's user avatar
  • 131
1 vote

Darktable losing wanted night sky detail when exporting to JPEG

Per this thread, this effect could be because of the way the Profiled Denoise module: The “profiled denoise” module and the way how the image preview is generated. To make it fast the preview only ...
Cullub's user avatar
  • 500
1 vote

Darktable : using a style to deactivate an operation when exporting a file

One way to solve this is to create a style that turns the watermark off. In Darktable 3.4 (current version), this can be done by: Selecting an image with a watermark. In the Darkroom, turn the ...
Bob Macaroni McStevens's user avatar
1 vote

Darktable : using a style to deactivate an operation when exporting a file

I actually have another solution which is may preferred for now. I use a style which disables the watermark and apply it in append mode on every photo just before exporting them. Then I undo the style ...
ChrisAga's user avatar
  • 161
1 vote

Darktable : using a style to deactivate an operation when exporting a file

My best shot for this particular use case is to create a style which enables the watermark and configure my export presets to use it. I just deactivate it when needed. I see 2 drawbacks : If I ...
ChrisAga's user avatar
  • 161
1 vote

Lightroom - Importing a photo into Develop mode

The closest approach I know of to do what you are asking is to edit the photo in LR then open it as a smart object in PS. Once in PS you can add layers and masks to alter the photo, but you can't ...
Ed on PCR's user avatar
  • 715
1 vote
Accepted

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

You need to export to one of whatever various color profiles your print shop can use and embed the profile you actually designated in your export settings. The vast majority of print shops can handle ...
Michael C's user avatar
  • 175k

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