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Questions tagged [exiftool]

ExifTool is a platform-independent library & CLI application for reading/writing metadata in a wide variety of file types. Most notably, ExifTool can modify EXIF tags in digital images, and ID3 tags in songs.

82 questions
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Change rotation flag in MP4 video (without losing metadata)

I just want to change the rotation flag in a .mp4 video file. Many similar questions exist, most answers suggest using ffmpeg -i input.mp4 -map_metadata 0 -metadata:s:v rotate=90 -codec copy output.mp4 My problem with those solutions is that even…
aXeL-HH
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24
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3 answers

How can I modify the EXIF orientation tag of an image?

I want to change the EXIF orientation tag in my JPEG images but without actual rotating of them. I want to do this to use them as a test case for an application I made. How I can do that in Linux? Can I do it with exiftool? And if so, how?
Wazery
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17
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1 answer

How do I edit a JPEG's EXIF data with Gimp?

I would like to edit a JPG EXIF data in Gimp. Perhaps I need a plugin or something, but I don't know how to search for and download the plugin. Plus, when Gimp opens a JPG it converts it to XCF format. Hopefully when I export it again the EXIF data…
John Sonderson
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15
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5 answers

How to automatically rotate images based on EXIF data?

I know how to do it manually. Now I would like to automate that based on EXIF data. I already have exiftool installed, but looks like it can only read the data, but can not rotate the image. There is a similar question on SU about Ubuntu. But I'm…
LA_
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How to prevent recovering metadata when using ExifTool?

When using exiftool -all:all= file.pdf this message appears: ExifTool PDF edits are reversible. Deleted tags may be recovered! Can tag recovery be prevented when ExifTool is used? Can it just wipe/overwrite them without saving previous info? PDF…
homocomputeris
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11
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3 answers

exiftool: delete exif data but preserve some specific tags

Currently I use exiftool with the -all= option and it deletes all the EXIF data from my photos: exiftool -overwrite_original -all= /Users/andyl/photos/*.jpg Now I want exiftool to delete all the EXIF information but NOT the photo's title, caption…
Sunny Reborn Pony
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1 answer

What is the difference between the EXIF tags CreateDate, CreationDate, etc.?

When using exiftool to analyze some videos that I have, I noticed many date tags inherent to the creation of the video itself (so not dates like the last access or modification dates). Namely, here are the ones I found: Create Date…
Oion Akif
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How to set an image's date and time with timezone with exiftool?

ExifTool is a powerful tool for modifying meta data on images. What is the simple command line to specify the date and time for an image?
Vincent Scheib
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5
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2 answers

Edit "Media Duration" metadata on MP4 file

I have some video files which were converted to MP4, but not quite correctly. When I examine one with exiftool, I see these metadata values: Duration : 0:11:23 Track Duration : 0:11:23 Media Duration …
Sam Kauffman
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5
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Metadata editor for quicktime (.mov) files

My photo camera records video as .mov files. They have some metadata (in the XMP format?), which I can read using exiftool. For example, to get only the metadata related to dates/times I can do: $ exiftool MVI_3735.MOV | grep -i Date File…
Filipe Correia
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5
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4 answers

Changing dates on mp4 metadata

I've been trying to change the metadata dates in mp4 files using exiftool. I can only get it to change the "Date" (whatever that is) and "Media created" fields as displayed in Windows file explorer. However, I organise my pics and videos using…
WokingWounded
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5
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1 answer

Changing the DPI in a JPEG without re-encoding? with ImageMagick or something else

Sometimes I have image files which I want to contain a certain DPI setting. Note that I mean just the DPI value, i.e. just the value in the image's metadata. I don't want to resize the actual image. So for example a higher DPI would result in a…
RocketNuts
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4
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1 answer

exiftool width and height of resized images not match the new sizes

$ convert original.jpg -resize 50% test.jpg $ exiftool test.jpg ... Exif Image Width : 1200 Exif Image Height : 1600 Image Width : 600 Image Height : 800 Image Size …
Tim
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4
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2 answers

Author of the document a pdf was created from?

I teach in a college, and a wee while ago I had some fun spotting students who copied other students work by simply taking their word file and "paraphrasing" the sentences. So student A would innocently lend their file to student B, who would…
user1729
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4
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Is it possible to change tags that are not writable by exiftool?

I have a (Dolby Vision) video file test.mp4 but has hev1 in video track Codec ID (ffmpeg) or Compressor ID (exiftool) exiftool -CompatibleBrands -CompressorID test.mp4 Compatible Brands : isom, dby1, iso2, mp41 Compressor ID …
Steven Yang
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