Questions tagged [metadata]

Metadata is additional data related to a photo, this is usually written by the camera into the image file at the time of shooting but can be edited later. This metadata includes information such as the time and date of shooting, equipment involved and settings used.

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77 views

Should I fix an image orientation when creating a thumbnail?

I am a programmer, and I made an app for sharing images. I will not say the app's name because this is a genuine question, not a way to promote the app. People are starting to use my app, and I have ...
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63 views

In LightRoom Classic how can I filter all photos which are part of a stack, but not on top of a stack?

For use in other tools I want to write in Lightroom Classic to a photo's keywords if a photo is part of a stack, but not on top of a stack. For this the easiest would be to create filter which shows ...
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83 views

Jpg thumbnail showing larger than the original picture

I recently downloaded a picture from LinkedIn, and something really weird happens with it. Let me just state before that I can't show you the author asked me don't show it. So, if I do "read ...
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1answer
33 views

How to add "HDR" to EXIF in Lightroom Classic?

Is there a way to add the fact that an image was crated using HDR to a photo's EXIF data in Lightroom Classic?
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76 views

Change EXIF format in Lightroom Classic

I noticed Lightroom Classic outputs the Exposure Time in the EXIF data as 0.0025 instead of 1/400. Is there anyway I can change the format?
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1answer
361 views

Is there a way to know which camera captured images?

I am a medical researcher, doing research on some medical images. I have some JPEG images, and for a study, I need to include the information on the camera type used to capture those images. Is that ...
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1answer
55 views

Corrupted Date Taken

Some of my older images are showing Date Taken later than the actual date that the camera took the image. The EXIF data shows the correct Date Taken in the field APP12::PictureInfo\TimeDate\...
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173 views

ExifTool does not extract corrupted EXIF metadata from jpeg file. How to repair it?

The image viewer nomacs offers a quick way to add image notes via Exif.Image.ImageDescription metadata. After having edited the form for my-image.jpg, I can see this property in nomacs and Thunar (...
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3answers
114 views

What's the best format for pictures in order to have the most metadata?

Working with a smartphone, I've seen that JPEG shows a lot of information in the EXIF, where PNG not as much. However JPEG does some compression on the image which I'd like to avoid if not necessary ...
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101 views

How can I infer parameters such as distance from metadata?

Is it possible and how can I infer a parameter like the distance or the illumination from the chart, by looking at the metadata of the picture ? To give some context, I am working on a chart with ...
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74 views

Cannot read GPS position from photo

I cannot get GPS position from this photo exiftool show: | 8) GPSInfo (SubDirectory) --> | - Tag 0x8825 (4 bytes, int32u[1]): | 007e: 00 00 15 fe ...
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4answers
5k views

How to check if a photo is edited (even basic edits like exposure and white balance)?

A competition I want to participate in demands that they want unedited photos. The submission should not even have basic edits like brightness, saturation, white balance etc They claim they'll check ...
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102 views

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

I have a metadata preset I created in Lightroom which I use to import JPG files from my camera. In this preset, I provide a text value for the "Rights Usage Terms" attribute in the metadata. ...
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How to delete all metadata from all JPEG files in folder using ImageMagick? [duplicate]

I have many JPEG files in folder D:\folder. I want to delete all metadata from all JPEG files in this folder. I used ImageMagick. I made: magick mogrify -strip "D:\folder\*" Am I right?
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1answer
127 views

Suggestions on how to create a printout for capturing metadata?

I'd like to print a collection of digital images in a way that would make it easy for someone to manually annotate metadata (people, locations and events). I've scanned a large number of old family ...
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218 views

Is there a standard convention for indicating precision in jpeg metadata timestamps?

Exif timestamps have a format of "YYYY:MM:DD HH:MM:SS", possibly with a timezone at the end. Is there a general convention for how to handle these timestamps when the known precision is less ...
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102 views

Metadata: UserComment, ImageDescription, Description; what's their purpose?

$ exiftool test.jpeg | grep 'This is' Image Description : This is the 'ImageDescription'. User Comment : This is the 'UserComment'. Description : ...
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389 views

Why shouldn't raw files be rotated?

When I attempt to rotate a CR2 file in Photo Viewer, a message appears: That didn't work, RAW files don't rotate. Select edit to rotate and save it as a different file type. There are many tips to ...
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1answer
121 views

How can I edit EXIF Data based on the filename?

I've moved all the photos from my phone to PC (something that I did multiple times along the years from multiple phones) and the date taken is different from the actual date or doesn't exist at all (...
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2answers
120 views

How to store the back of a photo in metadata?

I am scanning old family photos. Any suggestions/best practice for storing the information written on the back of photos? When it's a name or location, for example, there are metadata tags, but often ...
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3answers
99 views

Should I care about duplicates with different metadata?

I'm in photo-backup-deduplication hell. Thousands of folders organised in a different way, backups of backups of backups. There's no easy way to know what's latest/more important. I'm using dupeGuru ...
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2answers
806 views

Retrieving the original date of a .JPG

I know a similar question was posted here before - which I will provide a link for below - but despite that, the exiftool.exe in the thread could not really retrieve the original date. The file in ...
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1answer
114 views

Change EXIF and/or Creation date based on folder name

I have lots of photos with non-existent exif dates where the write date is not correct. The original dates disappeared during a hard drive replacement. But they are in folders with the correct date. ...
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1answer
146 views

Is there a common subset of exif metadata tags for scanned photographs?

I've recently been scanning a collection of photographs into jpeg files. I know how to use tools such as exiftool to examine and change metadata tags. But while I'm easily able to learn the technical ...
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2answers
342 views

How can I rename a large set of photos using their modified date?

My problem is a little bit different from the other that I've seen here. The thing is that I have for example: DSCF0001, DSCF0002 and so on, as filenames with modified dates 2020/01/01 , 2020/01/02 (...
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2k views

How to efficiently stop metadata being in my photos?

For privacy reasons, I would like to ensure that any photos I publish do not have any metadata in them. At the moment, I'm deleting the EXIF data via copy-and-paste in Photoshop, which is a very ...
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78 views

How do I supply metadata when digitizing a print, slide, and negative library?

A digital camera conveniently gives a file name, has an embedded data/time stamp, has the make model of camera and (usually) lens, aperture, shuterspeed. may have copyright, GPS, How do I add metadata ...
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1answer
158 views

Exiftool: batch change date to year specified in directory name

I have my old scanned photographs sorted in folders named by the year they were probably taken (1970, 1971 etc); the folder names are just the plain years without any other text. Is it possible to let ...
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1answer
175 views

Lightroom "metadata changed" flag stuck for some photos

I'm using the latest version of Lightroom Classic (10.1) on Windows 10 but I think I've seen this issue in previous versions as well. Lightoom provides a "metadata has been changed" flag as ...
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2answers
75 views

What date would this be? 2010 February 12th or 2010 2nd of December? Fiji color Crystal Archive

What is the date on this picture (1129 2010100212 Walgreens)
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How to transfer Microsoft Photo Person tags to 'normal file tags'?

How to transfer Microsoft Photo Person tags to 'normal file tags'? For instance, I found a program called "TagThatPhoto" that has a video about MS Photo Gallery that says it can transfer ...
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1answer
339 views

Exiftool drops some EXIF tags [closed]

I am trying to copy all the exif information from Canon *.MOV video files into my *.m4a audio files. But some EXIF tags are missing: ffmpeg -i MVI_5918.MOV -vn -ac 1 MVI_5918_p1_mono.m4a exiftool -...
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1answer
228 views

Why does my phone intermittently add Title and Subject attributes?

I have taken a lot of photos, over the past couple of days, using the default 'Camera' App that came with my Huawei Mobile phone. I have since uploaded these Photos to my Computer, via Google Photos. ...
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1answer
108 views

Set "Create Date" to "Last Modified Date"

I have a few thousand photos in which I need to set "Create Date" to "Last Modified Date", is there any tool that can help me do it automatically?
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2answers
807 views

How do I use exiftool to strip all exif tags except rotation?

I need the exact opposite of How to remove orientation attribute from the photo without touching other exif-data? I want to keep the EXIF rotation data, but I want to strip the rest of the data. ...
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2answers
745 views

Transfer EXIF data from Android to Windows

I have taken over 500 photos on my recent journey and I'd love to code a program that allows me to access the GPS location of every photo and, through GMaps API, show me where the photo was taken. ...
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1answer
507 views

How to make a JPG files DCF compatible? (command line)

At the moment I use Sony’s Imaging Edge Desktop to make individual photos viewable in camera. However, this is cumbersome if there are many pictures. How can it be done from the command line? ...
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1answer
85 views

Why might an EXIF DateTimeOriginal be later than photo capture?

As it says in the title, assuming no hacking/malicious editing of EXIF. In my case DateTimeDigitized and DateTimeOriginal are the same if that makes any difference to the potential reasons.
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1answer
60 views

Annotating scanned photos so that the results are portable

I've scanned the almost-six-hundred photos in my Dad's family photo albums, but now I need to enter the notes he wrote next to each image, listing people, locations, (approximate) dates, and other ...
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2answers
351 views

Random EXIF data with same camera settings

I have a few problems with exposition with my Canon 70D: with same camera settings I get random EXIF data for focal lenght and aperture. This is the setup Table with white paper as white background....
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0answers
50 views

Software for detecting orange dates on 4x6" photo prints and adding to metadata

Is there any software that will detect (e.g., OCR) the orange date timestamps burned into 4x6" snapshot prints and automatically add the date EXIF metadata? Would be interested in options either baked ...
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0answers
35 views

Metadata "keywords" or "descriptions" for non-controlled-vocabulary search terms?

I have a bunch of unorganized scanned family photos. I want to add metadata to make them more searchable. I thought I'd mostly use the IPTC keyword field (because I don't have a need for well-written ...
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3answers
130 views

Windows-app to quickly enter iptc keywords

I have scanned thousands of slides. They have no metadata. Is there a windows application to quickly enter iptc keywords for each image? It should be keyboard-driven and have autocomplete suggesting ...
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2answers
487 views

Is there a way to add adapted vintage lens EXIF information to my files manually?

I have a number of vintage lenses and since I am mounting them on a digital camera the lens information isn't available. Strangely, my photos have the information of the last digital lens that I ...
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1answer
319 views

Exif & TIFF dates - why would they be months different?

A property management company is using my photos for the second time without permission. They said it was an honest mistake the second time. So I asked for proof and samples of the images they ...
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1answer
695 views

Using exiftool to import date, gps and tags from xmp files

Not sure if this can be achieved with exiftool or if there's a better alternative... I've exported a big amount of pictures from iPhoto and apparently apple exports original file with a sidecar XMP ...
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1answer
170 views

How to embed an ID in Pixel 3a EXIF data?

My wife and I both use Pixel3a phones so we are not always sure which one took which photo. Is it possible to embed some information into the exif data on one camera for use later as id. thanks
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708 views

Calculate original resolution an image was taken at from EXIF data?

I have a resized JPG of a photo that still contains the original EXIF data. How can I calculate the original resolution (in pixels) the camera was set to when this photo was taken? In the EXIF, I see ...
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2answers
785 views

Is editing metadata of a JPEG destructive to the image?

Is editing metadata of a JPEG destructive to the image? If I edit "File Info" > "Description" in Photoshop, then save.... am I causing the same image degradation as if I edited the image, then re save ...
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1answer
103 views

Can I transfer location from my GPS receiver to a Nikon camera via Bluetooth?

Is it possible to send location information (lat. and lon.) from a Bluetooth-equipped Garmin GPSMAP 64ST GPS receiver to a Bluetooth-quipped Nikon camera? If so, how? Thanks for the “track, time” ...

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