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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2answers
3k views

Is there a tool to compare image EXIF data across folders, so I can eliminate duplicates?

Is there a tool that can take two folders of images files and give comparison (duplicates info) based on images' EXIF data, instead of comparing file size or file dates (which tend to be unreliable ...
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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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How to rename recovered video files based on date and duration? [closed]

Realizing that I had not copied trip videos before I had reformatted and reused the memory card made me first bang my head against the desk, then trying to recover what's still left on the card. I ...
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3answers
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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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0answers
38 views

Create folder from Exif metadata

Which program do you suggest to create folder based exif metadata? I already know ExifTools (difficult) and Amok Exif sorter (it do not manages dng file). I need a Gui based tool in order to read ...
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5answers
12k views

How can I rename files to match their EXIF “created date”?

I have around 3000 jpeg photos all with names like "DSC_0596". The metadata has the date the photo was created, which would be much more useful. Is there a way to extract the date from the metadata ...
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3answers
11k views

How to remove orientation attribute from the photo without touching other exif-data?

Removing exif-data via Windows file properties does not allow to delete only orientation attribute and removing all exif data removes GPS position also. Is there any way to remove only the ...
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7answers
22k views

Ways to edit metadata of a PNG file?

How can I edit metadata of a PNG file? Is there some free software I can use?
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1answer
118 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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4answers
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How to find the color profile/space used by a photo?

Some of my photos look different because I was not careful with saving with or without color profile. Now I would like to be able to find out what color profile is used by an image. Is there a simple ...
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1answer
41 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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2answers
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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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1answer
102 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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How can I prove an edited photo was taken on a particular date/time?

Please help explain this. I have a photo that has the filename containing the date taken. It looks like this when a photo is taken. Does an iPhone or Android automatically name the file with the date ...
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3answers
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Is exiftran still needed today for resetting the orientation of JPEG images?

Since more then ten years I use exiftran to rotate images after getting them from the camera. Is this step still needed today? Don't browsers and other image apps rotate the image correctly without ...
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2answers
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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: ...
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2answers
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How can I decode information on back of printed photo?

I am digitizing all of my old family photos and was curious if anyone knew how to interpret this code and figure out the date the photo was taken or printed. Either would be fine: Sample Code #1: ...
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12answers
103k views

Is there a free program to (batch) change photo file's date to match EXIF?

I want to specify a directory and have the software find all the photos in the directory and its sub-directories, and if they contain EXIF date/time, it sets their filesystem timestamp to match the ...
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0answers
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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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5answers
5k views

Picture Metadata and Face Tags: What Software to Write and Read them?

These past three days were a nightmare to me as I was trying to find THE way to store picture metadata for my 5000 photo archive the correct way. Since I read this great blog post from Carl Seibert I ...
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4answers
440 views

Is there a digital camera that is able to save people bounding boxes?

I am looking for digital cameras that are able to recognize faces(automatically or by user input) and save those as tags in XMP using either Microsoft Photo 1.2 Schema or Metadata Working Group - ...
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2answers
3k views

How do I see an image comment added on a Nikon camera once I download a picture?

I have a Nikon D3200 and I have used the setting to add an image comment to my photographs. But, when I download the pictures to my computer (mac) and look at the photo info I don't see it. Have I ...
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1answer
143 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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3answers
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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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1answer
226 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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10answers
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What software can show my most frequently used focal length?

Many people recommend a focal length of 35mm, 50mm, and sometimes even 85mm and upwards for those interested in purchasing a prime lens. I, however, would like to figure out what focal length(s) I use ...
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1answer
40 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
222 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
269 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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2answers
289 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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6answers
6k views

Can I find out if two pictures were taken by the exact same device?

So, let's say I have two identical iPhones, both of them are the same model and are running the same iOS. I then proceed to have someone pull a random picture off of one of the phones without telling ...
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1answer
171 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
55 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
39 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 ...
4
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1answer
3k views

Updating metadata in Darktable

Bear with me. I've been using Darktable for a while now along with Olympus' own software and digikam for uploading, keywording etc and GIMP for any retouching I can't easily achieve in Darktable. I ...
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2answers
680 views

Lightroom - Focus point / length data?

I am building a visualization using Lightroom data (the catalog file) to extract information of my pictures. My Question: In Lightroom, how do i know what my focus length is (that dial which you turn ...
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2answers
402 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 ...
2
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0answers
47 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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3answers
1k views

Why doesn't updating the datetime in EXIF change it in darktable's “image information”?

I use darktable for my digital workflow. The datetime in some of my images is off by a couple of hours. I changed the datetime in all the relevant tags I could find in the *.NEF using exiv2: Exif....
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0answers
34 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
7k views

Why don't Exif tags contain time zone information?

There's no zone information in the capture timestamp. Why?
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3answers
4k views

Is there any hope for Exif TimeZoneOffset as a standard?

The TimeZoneOffset Exif tag was proposed as an ISO photography standard several years ago but never made it into the EXIF standard or MWG guidelines. I can write data to this tag using exiftool and ...
4
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1answer
4k views

How can I geotag images with location data in a CSV file?

I have a few folders of .JPG images that I need to geo-tag. I don't have a .GPX file or anything else that will let me use my usual tools (Geosetter or Photo Mechanic) to geotag the images, but I do ...
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3answers
9k views

Adding data to an EXIF file

What is the easiest way to add data to an EXIF file? For example if I wanted to add a copyright to my images can that be easily added to the EXIF data?
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2answers
288 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 ...
6
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1answer
466 views

Is there a software that make it possible to edit all exif values and add new paramerers?

A while ago I had the need to add cutom fields to my exif (some programming staff) I found out that most of the fields are locked and that I cannot add new fields Do you know a software that can 1. ...
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2answers
676 views

Software for editing EXIF data

Can someone please recommend software that enables editing for exposure mode EXIF data? I have tried with Picasa, but it doesn't support editing of this specific property.
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3answers
7k views

How to extract depth information from JPEG files?

Some mobile phones support changing the depth of field using depth information calculated from dual cameras. If the depth information is stored in the jpg file, how can it be extracted?
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2answers
361 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 ...
6
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2answers
712 views

How do XMP files encode aperture?

When I open a Lightroom XMP file, I read this odd line (the photo has been taken at f/8.0, all tools agree with that) exif:ApertureValue="6/1" Apparently, 6/1 means f/8.0, but where is this ...

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