Questions tagged [exiftool]

Questions about ExifTool, a popular, free, open-source command-line tool for reading and writing image metadata.

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11 votes
2 answers
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How to add EXIF Lens data in Lightroom for unknown lens?

One of my prime lenses is non-electronic and so the photos EXIF data does not include any lens information. These show up in Lightroom 4.3 as "Unknown". I see no way through Lightroom to add this ...
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  • 223
5 votes
1 answer
18k views

What does the exif ICC profile date mean?

I am trying to determine when a photo was taken with a smart phone. It was sent to me, not taken from facebook. I've viewed the exif data but the only field that even references a date is the ICC ...
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  • 51
1 vote
1 answer
3k views

How to use exiftool to write date tags according to file path?

I need to set the exif date tag of a bunch of photos stored with the following hierarchy: YEAR/MONTH/DAY/IMG_something.JPG How could I do it easily with exiftool?
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  • 113
9 votes
4 answers
5k views

How can I incrementally date photos?

I have a collection of photos that have no date information. They have no Exif data, and the file modification dates are all identical. The only sequence is in the file name: image-0001.jpg, image-...
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  • 439
6 votes
2 answers
2k views

What is the correct, standard EXIF metadata to add for Rokinon 8mm fisheye lenses?

I own a Rokinon 8mm Ultra Wide Angle f/3.5 Fisheye Lens for Canon EF Mount. This is a manual lens not electrically connect to the Canon 60D body I use it with. With exiftool I want to add the correct ...
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  • 431
1 vote
1 answer
3k views

Writing missing/incorrect Date Tags based on FileName in ExifTool?

I'm using Linux Mint and have about 2,000 images which have either incorrect or missing EXIF Date tags. I would like to use the date contained in the filename to write the tags. I've spent a few hours ...
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6 votes
3 answers
10k views

Search large collection of images for exif tags without lightroom/aperture etc

Is there a way, possibly using exiftool, to quickly search an entire directory or disk of images for a certain exif/XMP/IPTC tag and maybe even give a summary of what the collection contains (...
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  • 233
8 votes
1 answer
34k views

How to set "date modified" by "date taken" with Exiftool? [duplicate]

I'm still struggling with Exiftool's commands; even with, what should be (and probably is) a simple operation. How to set the "date modified" by "date taken / original date" for all images in a ...
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  • 1,407
11 votes
2 answers
15k views

Is "Date Taken" Exif data possible on .PNG file, and is it possible to copy "Date Modified" to "Date Taken"?

I want to change the Exif data for some .PNG files so that they have the "Date Taken" tag. Is it possible to use that tag on .PNG files? Is it possible to copy the "Date Modified" date to the "Date ...
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  • 213
8 votes
1 answer
606 views

Can I programatically manipulate Lightroom's "rejected" flag in images?

Can I use a tool like exif2 or exiftool to programatically inspect and manipulate the flag used for "Rejected" in Lightroom? I can't find a field that seems to correspond to it. If not, is there ...
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  • 535
6 votes
1 answer
502 views

What metadata can I safely delete without affecting the appearance of an image?

I would like to remove as much metadata as possible from an image without changing its appearance. I have used exiftool -all= image.jpg and it works well most of the time, but quite often the colors ...
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  • 163
19 votes
2 answers
9k views

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

I am trying to save camera make to a var in my bash script. If I use: exiftool -make x.jpg This returns: MAKE : SAMSUNG I need it to return just the value, without the key and colon. What am I ...
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  • 293
11 votes
2 answers
9k views

Which color space is used by my iPhone 8 photos?

While my old iPad mini photos say their color space is sRGB, my new iPhone 8 photos tell me their color space is "65535" ("unknown value"). Some sources say this value means "uncalibrated", but that ...
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  • 213
4 votes
2 answers
1k views

How to add keywords to lightroom from a textfile (after import)?

I have a fairly large (20,000 photos) catalog. I'm trying to add keywords from the exif data that lightroom doesn't read, for instance any effects (like "pop color") applied to the photo. Using ...
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  • 1
2 votes
1 answer
896 views

Organize messy collection of raw files

Over the years I used different cameras and have a huge messy picture collection. To be sure not to loose any pictures I copied them several times on different external hard drives changing often the ...
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  • 121
10 votes
2 answers
4k views

How can I strip tags from a JPEG without removing the color profile?

For a while now I have used exiftool to strip away unnecessary metadata from jpg files (and to add copyright information) before uploading them: exiftool -all= image.jpg However, today I noticed ...
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  • 201
5 votes
3 answers
953 views

What is the proper exif tag to mark a lens as a fisheye?

I'm shooting panoramas with a manual 8mm fisheye lens on my Canon 60D DSLR (APS-C, 1.6x crop factor). Since the camera cannot talk to the lens, the exif data in the pictures is all wrong. I know how ...
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  • 3,872
2 votes
3 answers
199 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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  • 123
0 votes
3 answers
2k views

Is there a way to check whether the image has been modified with Exiftool?

Using Exiftool, is there a way to check whether the image has been modified in any way, by say, comparing the dates in EXIF data? I was thinking something along the lines of comparing shooting date ...
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  • 1,407
0 votes
3 answers
1k views

How can I detect if two files are actually the same image? [duplicate]

Let's assume a JPG file (or any other image/video file format), that I duplicate the file, and I modify the tags on the copy. Is there a way to verify that the image inside both JPG files is actually ...
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0 votes
1 answer
573 views

Rename a file based on whichever tag contains the earliest or oldest date?

I use the following command to bulk rename images from inside a bash script so each image is named according to the date the picture was taken: exiftool -r -f '-filename<${CreateDate}_${model;tr/ /...
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  • 101
0 votes
2 answers
665 views

What is the proper formatting of the Subject Tag in XMP?

My intention is to assign tags to each image based on the content in the image.For example This image can be be assigned tags Tulips,Flower etc So can i assign subject like tulips,flower and so on ...
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  • 75