Photography

Questions tagged [metadata]

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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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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 ...
Ray Butterworth
  • 365
3 votes
2 answers
820 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 : ...
Ray Butterworth
  • 365
3 votes
2 answers
1k 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 ...
Ooker
  • 407
2 votes
1 answer
2k 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 (...
BobTheBuilder
  • 21
1 vote
2 answers
190 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 ...
Will M
  • 173
2 votes
3 answers
319 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 ...
Roberto
  • 123
0 votes
2 answers
6k 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 ...
John
  • 1
3 votes
1 answer
440 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. ...
H L M
  • 31
5 votes
2 answers
223 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 ...
Ray Butterworth
  • 365
1 vote
2 answers
745 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 (...
Rodrigo Miyamoto
  • 11
9 votes
3 answers
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 ...
Sultan Samid
  • 93
0 votes
2 answers
126 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 ...
Sherwood Botsford
  • 1,770
1 vote
1 answer
540 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 ...
cirko
  • 113
1 vote
1 answer
370 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 ...
Patrick Kelly
  • 113
1 vote
2 answers
80 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)
Victor
  • 11
1 vote
0 answers
49 views

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 ...
Bill_Photo
  • 11
2 votes
1 answer
538 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 -...
Tomas
  • 244
2 votes
1 answer
260 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. ...
Craig
  • 211
0 votes
1 answer
855 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?
Bohdan Kordon
  • 1
5 votes
2 answers
2k 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. ...
Wayne Werner
  • 1,251
2 votes
2 answers
1k 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. ...
davide m.
  • 121
0 votes
1 answer
1k 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? ...
feklee
  • 549
1 vote
1 answer
247 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.
user3190635
  • 13
1 vote
1 answer
101 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 ...
Daniel Griscom
  • 133
3 votes
2 answers
510 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....
Mario
  • 201
2 votes
0 answers
88 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 ...
Wolf
  • 121
1 vote
0 answers
42 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 ...
Sam
  • 11
4 votes
3 answers
182 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 ...
Grastveit
  • 141
1 vote
2 answers
816 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 ...
xbmono
  • 259
0 votes
1 answer
456 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 ...
DAWDAW
  • 11
1 vote
1 answer
1k 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 ...
zapico
  • 113
4 votes
2 answers
227 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
user88456
  • 41
1 vote
2 answers
1k 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 ...
matthias_buehlmann
  • 121
1 vote
2 answers
1k 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 ...
tracyguilbeau
  • 11
2 votes
1 answer
129 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” ...
c rohrer
  • 23
1 vote
2 answers
540 views

How can I rename Image with modified date and overwrite filename with number count using Jhead Tool?

A quick question... (Edited) Year/Month/Day-Filename-001.jpg jhead -n%Y%m%d [(name)] 001 .jpg (Not sure which options lets me create a filename after the year/month/day option in the usage ...
jcron12
  • 13
20 votes
14 answers
4k views

What are ways to record who took the pictures if a camera is used by multiple people?

My wife and I both like to go out photographing. We usually have only one DSLR/MILC with us, so we take turns in taking pictures. (Rarely, if we have multiple cameras at hand, they usually have ...
SztupY
  • 453
1 vote
5 answers
1k views

How does PPI relate to DPI in photo metadata?

I have been asked to provide pictures in JPEG format at a resolution of 300DPI. My computer give me a picture sizes in kilobytes and Photoscape the photo editing package that I use, converts ...
Steve Dell
  • 11
1 vote
2 answers
1k views

Add Geotags to photos from GPX track [duplicate]

What's the best way to add geotags to photos if I have a GPX file with my location track? I don't have lightroom and I'm on a Mac.
David
  • 11
3 votes
1 answer
329 views

How do I batch convert or view the XPComments in Windows Photo Viewer in another viewer?

I currently use Windows Photo Viewer to look at photos and I have typed comments into the XP Comments field in the Details tab in Properties. I would like to utilize a different photo tool, like ...
Tom Gooley
  • 31
1 vote
1 answer
467 views

Why does device listed in metadata change on photo transfer?

What are the reasons that a photo would have the wrong 'Device used' and 'software in use' metadata on a photo. The photo that was checked was not the provenance picture and so it is a copy of the ...
Andrew S
  • 13
0 votes
1 answer
262 views

Why doesn't Lightroom load files after I've changed their camera model metadata using EXIFTOOL?

I shoot with Fuji (.RAF). I am currently having issues in changing camera model on Mac. I tried using the command line exiftool -Model="..." <filename>.raf It says the file was updated, but ...
Jae
  • 9
5 votes
1 answer
870 views

Calculating EV of an image file using its exif data

I'm trying to calculate the EV (exposure value) for an image file based on its exif data. From the exposure value article at Wikipedia, I am using this formula for calculating EV: EV = EV100 + LOG(S/...
Mehran
  • 329
0 votes
2 answers
181 views

Is there way to visualize Photoshop changes by EXIF?

Photoshop saves the changes made on the photo to its EXIF (or XMP). Is there any chance of visualizing this data? Example photo and its EXIF data can be found on my webpage: example
emirhan
  • 1
8 votes
2 answers
3k views

Shutter Speed from the Exif ShutterSpeedValue

Extracting Exif data from my photo (using python) among the other values I have: 'ShutterSpeedValue': (8643856, 1000000), 'ApertureValue': (1695994, 1000000) After some research, I found that the ...
andrea
  • 203
2 votes
1 answer
119 views

Can Tamron Tap-in Console solve focal length problems in metadata?

I recently found some issues on my Tamron 24-70mm f2.8 G2 (A032) lens for Canon. The first issue is about the focal length in the EXIF data. While the lens works well in autofocusing, I found the ...
B77W
  • 23
3 votes
3 answers
750 views

Exif tag for png files that will be recognized by google photos as date taken

I am trying to upload several png files (screenshots) to google photos. As PNG does not have DateTimeOriginal tag, I have used CreationTime tag to store the date taken information copied from the date ...
Crops
  • 133
0 votes
1 answer
65 views

Metadata problem

I have a photograph which displays time taken and camera model etc. But looking further at the properties and under "file", there is no date created or modified date. But there is a date of when it ...
jack
  • 1
2 votes
1 answer
773 views

exiftool - rename using model only - not maker

I want to rename my files to include the camera model, but the full tag includes the make as well. exiftool.exe -d %Y-%m-%d_%H%M%%-c.%%e "-filename<${model;}_$CreateDate" -r DIRECTORY Creates: ...
RadOD
  • 101
1 vote
1 answer
400 views

Can anyone tell me which cameras populate sub-second EXIF information?

I see the EXIF standard has a SubsecTimeOriginal field, but the sample photos I've tried looking at don't seem to have populated the field. Or maybe the tooling I'm using (GIMP, exiftool, PHP's ...
Codemonkey
  • 213

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