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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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1 answer
85 views

Adobe Bridge adds metadata to JPG as a sidecar XMP instead of writing it on the JPG file

Using the latest Adobe Bridge 2024 (v.14.1.0) I have encountered an annoying bug recently. When I modify the metadata (such as tags, rating etc) of some JPEG files, instead of writing the changes on ...
0 votes
1 answer
96 views

DigiKam: Transfer XMP Data from grouped JPEG to RAW

i have a large image collection in DigiKam that consists of grouped JPEG and RAW images. JPEG images are the thing displayed by the group by default. I'm pretty sure that I configured digikam in a way ...
0 votes
1 answer
38 views

Is there an exif tag in Sony a7R IV for the angle data (primarily pitch)

https://exiftool.org/TagNames/Sony.html lists a PitchRollYaw tag, but I can't seem to find it in the output from my (.ARW static image) files. It kind of looks like ...
12 votes
2 answers
15k views

When is each of these EXIF date & time variables created, and in what circumstances do they change?

Analyzing various EXIF data, one noticed there are several date and time data inside. [File] from what I understand is system data, just displayed there for convenience, not really part of EXIF data (...
1 vote
1 answer
159 views

Wrong EXIF data when uploading directly from camera

Given a webform where I can upload a photo I have two different outcomes. 1 When uploading a picture that was taken earlier, the EXIF data of the uploaded picture contains orientation "top left&...
10 votes
4 answers
19k views

Can I determine if an image was captured using Manual or Auto mode?

Is there a way to find out if a picture (once taken) was taken in Manual vs. Auto mode? My daughter is in a photography class and we both have taken images with the same camera. I sometimes put it ...
27 votes
7 answers
41k 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 ...
1 vote
1 answer
74 views

Aerial Picture Ground Footprint Calculation [closed]

I've been working on an application that, given an aerial picture taken by a drone and the coordinates of an object of interest, tries to determine whether the object is located within the ground ...
0 votes
0 answers
57 views

Is EXIF timestamp affected by write buffering?

In general, if you capture an image at time X, but the camera is write buffering after a long continuous shot burst, when the image is written to card at time ...
11 votes
1 answer
5k views

How can the aperture value written in Exif be larger than the nominal limit of the lens?

A photo shot with an 1:1.8 lens contains the following exif data: ApertureValue: 1695994/1000000 MaxApertureValue: 16/10 How is this possible? Both values are &...
0 votes
2 answers
140 views

Can image metadata taken with a camera phone be trusted?

I’m wondering how accurate the metadata is on iPhone 12 photos taken. I understand time, date, and location info is easily modified. My question relates to the phone/camera description of the device ...
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: ...
0 votes
1 answer
88 views

Lightroom Classic v12.1 error: A change in Develope remove all Fujifilm metadata

Lightroom Classic v12.1 error: Any change in Develope removed all Fujifilm metadata (Exif tags) when saved. When comparing a jpg file from my X-H2s camera by ExifTool, the following where missing ...
0 votes
2 answers
158 views

Lightroom Classic synchronize folder fails to import metadata

I have Lightroom Classic 12.4 on my laptop and desktop, and store all my photos on my Synology NAS. I edit my photos locally on my laptop using Lightroom Classic, then (when I'm home) I use Lightroom ...
0 votes
1 answer
70 views

How to enter multiline caption in Lightroom metadata preset?

I want to insert a predefined image description (called "Description" in Adobe Bridge CS5 and "caption" in Adobe Lightroom). I defined a metadata preset with the relevant tags and ...
1 vote
2 answers
6k views

How to change Date Taken based in file name?

I have a huge collection of photos from 1999 to 2019 and many of them don't have Date Taken registry, but all of them have the date in file name, like ...
0 votes
3 answers
240 views

XMP sidecar file editor

I'm looking for recommendations for an XMP sidecar file editor. That is, something that will let me edit standalone .xmp sidecar files, not XMP data embedded within an image. Ideally Windows and ...
0 votes
0 answers
47 views

How do I add multiple tags or keywords in Lightroom using a preset?

I want to add a set of keywords for certain types of photos - typically for a certain flower I want to add as keywords its scientific name, its vernacular name, and the tagד "flower" and &...
5 votes
2 answers
212 views

Edit an image's data so that a digital camera can read it

Context I have a Polaroid PoGo Zink printer (link to manual) that I would like to print an image on. Unfortunately I cannot get the Bluetooth to connect succesfully to any of my devices, so I am ...
3 votes
3 answers
4k 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 ...
0 votes
1 answer
74 views

How do i use the exif tool to create folders on the camera model name?

Here's the deal, i'm an absolute beginner and i'd to do this. I'd asked chatgpt and it came up with this code. Somehow, it's not working. I'd check everything and it should be. I also want to make ...
1 vote
1 answer
38 views

Adding same description to many files in Lightroom

How do I add the same caption/description to multiple files using Lightroom? I tried to select all the photos and edit the caption in the Metadata panel but it only applies the changes on a single ...
0 votes
1 answer
28 views

Attributing as B&W in IPTC using Bridge

As an amateur I organise my photos in Bridge which does everything I require apart from one thing, I cannot find a means of attributing the color mode. It is visible but not editable under the file ...
0 votes
1 answer
67 views

I have 1000+ photos with intact metadata. I want to list the dates taken

I have 1000+ photos with intact metadata. I want to list the dates taken in tabular form with the photo image included. How can I do this?
1 vote
3 answers
453 views

A JPEG image EXIF Orientation problem

I have an image which it is strange, The EXIF Orientation tag is 8 (left bottom, i.e. rotate 270 CW) Image source: https://drive.google.com/file/d/1WQOuy4wZpofvSLu3p6TmiOQI-udN7ooS/view?usp=sharing I ...
1 vote
1 answer
73 views

How to find 360° images within a folder shared with many other images?

In the past years I've taken many 360° pictures. I used the Google photo sphere function in the camera app of my Android Pixel phone to do this. These images are now on my computer, mixed up with ...
0 votes
0 answers
73 views

Samsung "Scene Optimizer" and EXIF data

Considering this earlier question Is it generally accepted that "Samsung 'space zoom' moon shots are fake" and that some cellphones (e.g. S20 Ultra) use AI to add features? Leaving ...
25 votes
3 answers
13k views

How can I extract just the value of a tag without the name using exiftool?

I am trying to save the camera make to a variable in my Bash script. If I use: exiftool -make x.jpg This returns: ...
3 votes
1 answer
163 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 ...
0 votes
2 answers
852 views

How can I determine if this image has been altered in any way?

I need help trying to see if this photo has been messed with in any kind of way. ...
0 votes
2 answers
110 views

Obtaining original creation data of photo

I need to obtain the original creation date of a photo taken on a phone. This phone does not store any EXIF metadata. How can I get the date when the photo was originally created ?
2 votes
2 answers
2k views

What might be the reason I cannot see the date a photo was taken in its metadata?

I was sent a .jpeg photo by gmail. It looks like it is pasted into the mail, but it also shows up as an attached file on the mail preview. Opening the mail however, the photo is in-line with the text. ...
0 votes
0 answers
236 views

Breaking down the format of the "Y Cb Cr Sub Sampling" EXIF tag

When using exiftool to inspect various images, I've seen lots of different values for the Y Cb Cr Sub Sampling tag. A few ...
0 votes
5 answers
747 views

How can I automatically add location from GPS log on my smartphone to SLR taken images?

What software is best for adding gps data to photos from gps log i run on my android device? I want to do as little manual labor as possible preferrably software does it all for me. Look at photo ...
0 votes
1 answer
162 views

Image metadata contains Focal length and calibrated focal length but the values are different

I have a DJI drone image. When I use gdalinfo -mdd all myphoto.jpg at the command line I can read the EXIF and XMP tags for the image. I see there are two values ...
8 votes
1 answer
4k views

Where are Samsung's "Gallery" app's automatic "tags" stored and how can they be used downstream (i.e. in non-Android photo mgmt / dam software)?

Samsung's "Gallery" does a fantastic job at automatically / on its own assigning "tags" to photos, making it easy to find photos with certain keywords (e.g. "sunset" or &...
1 vote
0 answers
108 views

Managing time zone data in jpg files for use in Google Photos

I wish to create a Google Photos album which displays my images in the order that I dictate. My problem would not exist if Google Photos would offer the option of sorting images in an album by ...
1 vote
1 answer
136 views

How can I use ExifTool to prepend text to image files' descriptions?

I need to prepend text to the description fields of a bunch of jpgs. I found discussions of appending text (e.g., here and here), but not of prepending text. My destination tag is ...
0 votes
1 answer
146 views

How do I use EXIF tags to determine the length of an object in focus? [duplicate]

I have an image with EXIF information encoded into it. What I need to know is what information I can use to determine the length of a certain object. For example, are there tags that hold the camera ...
0 votes
2 answers
670 views

Which JPG has better quality? And which Exif Byte Order is better?

I have two folders of "the same" JPG images that I made over 10 years ago, when I was a kid, but the size of photos in one folder is different than the other. The photos were made on my old ...
4 votes
2 answers
328 views

How to print GPS coordinates on face of photo with caption/comment?

Is there an app/program that can display the following information on my photos (both when I display them on my Windows 10 PC and when I print them): The date the picture was taken The GPS ...
6 votes
1 answer
3k views

What is Interoperability Index R98?

In the uploaded pictures from my mobile phone, I get a line with the following information: Interoperability Index = R98? What is this Index?
72 votes
16 answers
156k 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 ...
2 votes
2 answers
971 views

How can I find detailed Sony Exif codes in a format that I can use

Summary Where can I find Exif codes of the type shown below that cover all features of my cameras? (I have mainly Sony cameras but a more general resource would be welcome). I have too many Sony ...
2 votes
1 answer
92 views

Relationship between quad bayer sensor and the CMOS size

I have developed Python code to take an image produced by a DJI drone (and several other GNSS Cameras) and georeference the images. Basically the code reads the EXIF data from the individual images. ...
0 votes
2 answers
50 views

propritery SANYO metadata

How does an old SANYO camera store proprietary metadata on JPG that are not part of the Exif section? Like if the photo has the correct date or if it was taken using the hand or smile detection or ...
9 votes
6 answers
11k 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 ...
0 votes
0 answers
113 views

Set Date Created from filenames

I have around 4k photos and 1k videos that have no date in metadata because I switched my phones. All of them have the dates in the filenames in the format - ...
11 votes
7 answers
16k views

What tools exist to remove metadata from photos?

Whenever I share my photographs, I also share lots of information that I do not want to pass on: specific camera model that the photo was taken with exposure time focal ratio ... How can I remove ...
5 votes
2 answers
440 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 ...

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