Questions tagged [imagemagick]
ImageMagick is an open source software suite for displaying, converting, and editing raster image files.
276
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imagemagick - reduce image quality lower than 1%?
How can I reduce the image quality lower than 1%? For example, 0.5%? My failed attempt:
IFS=$'\n'
for f in $(find . -iname '*.jpg' -o -iname "*.png")
do
convert -quality 0.5% -...
- 2,563
4
votes
2
answers
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How can I convert an avif image file to a png file?
How can I convert an avif image file to a png file?
$ convert macadamiaCracker1.{avif,png}
convert: Decoder plugin generated an error: Unspecified (7.0) `macadamiaCracker1.avif' @ error/heic.c/...
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1
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0
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27
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convert: combine multiple imges to pdf but convert them first to jpg
I have a list of image files which I want to combine into a pdf.
The ImageMagick for that is convert myImgFiles*.png -resize 1000 myOutput.pdf and works perfectly.
But now I first want to convert the ...
- 111
1
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1
answer
137
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How do I mass-convert png images to GIMP brushes?
I've been trying to make some battlemaps for my DnD game in GIMP, I downloaded a whole bunch of assets and textures in png format. To be able to easily use them, I'd like to mass-convert the PNGs into ...
- 11
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2
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816
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I am using Ubuntu 22.04 and when trying to use ImageMagick to convert pdf to jpeg format I get error. /etc/ImageMagick-6/policy.xml: command not found
Thank you for looking at my situation. I am running Ubuntu 22.04. I wanted to convert a pdf file to a jpeg file format. After typing
dr@Dell-1:~$ sudo /etc/ImageMagick-6/policy.xml
I get the ...
- 21
1
vote
1
answer
842
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Why am I getting ESM updates 1 year into a LTS release? [duplicate]
From my knowledge, ESM messages should not appear until 5 years into an LTS release
but I am getting these messages when running apt upgrade.
I removed apt ESM hook after backing it up and the message ...
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70
votes
8
answers
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I'm getting the message: "The following security updates require Ubuntu Pro with 'esm-apps' enabled" when updating Ubuntu 22.04
I use the package texlive-full, which installs imagemagick and other related packages. When I check for updates, I get this message:
The following security updates require Ubuntu Pro with 'esm-apps' ...
- 1,744
0
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1
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140
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ImageMagick-6, how to adjust brightness of background only of scanned page, without touching the text
I have a pictures of scanned book, jpeg format. All pages have gray backround with some noise, due to grayscale mode used when scan. ImageMagick-6
Image info:
Resolution: 200x200
Colorspace: Gray
Type:...
- 549
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1
answer
376
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How to resize an image using ImageMagick
From How to easily resize images via command-line? I know I can use this command to resize an image in bash:
convert -resize 1024X768 source.png dest.jpg
But I'm stuck at only providing the width ...
- 703
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0
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183
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Imagemagick C and C++ libraries can't be installed at same time on Ubuntu 22.04
apt install libmagickwand-dev graphicsmagick-libmagick-dev-compat
Issue: apt won't install both packages at the same time. apt removes one when I install the other. If I attempt to install both at ...
- 1,351
0
votes
1
answer
384
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convert image to gif fails with error
I have 506 jpg images I want to make into a gif. but convert fails with the error:
convert-im6.q16: cache resources exhausted 2022-12-19-152850_210.jpg' @ error/cache.c/OpenPixelCache/4083`
is there ...
- 14.7k
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122
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Compress JPG images with mini lose in quality & usage of smoothing
Which Linux CLI tool is the best for compressing JPG images using a smoothing value for even better image size optimization? I didn't really get along with ImageMagick when it came to smoothing.
With ...
- 1
1
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1
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153
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Batch convert multiple, specific images spread across dozens of folders
I have a list of JPG files, each located in different folders on my command line only server, that I need converted to PNG.
I know the simple command to convert them one-by-one using mogrify. But I ...
- 111
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1
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64
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How can I detect PDF policy of ImageMagick
I maintain qr-backup, a program which makes some PDFs.
My users are encountering a bug where convert fails on PDFs. Why and how to fix it is explained here. imagemagick - convert not allowed
What's a ...
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1
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132
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How can I use montage to concatenate 3 images so that they form an "inverted triangle"?
I'm trying to use montage to concatenate 3 images so that 2 are placed on top and one on the bottom in the middle, so that the overall shape of the concatenated images is kind of like an inverted ...
0
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1
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176
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Easier ImageMagick Convert Syntax Needed
Is there a simple one liner in Terminal that will:
Convert all png files in a folder to jpg files preserving base filenames.
Resize all these files to a specified width while preserving the aspect ...
- 625
1
vote
1
answer
935
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Creating AVIF or HEIC images with transparency does not work with ImageMagick in 22.04
After upgrading to Ubuntu 22.04 I was pleasantly surprised that creating images with the new AVIF or HEIC formats was supported by default.
It's a breeze.
convert image.png image.avif
convert image....
- 5,589
1
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2
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2k
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Install imagemagick command line tools only?
I installed imagemagick using...
sudo apt install --no-install-recommends imagemagick
This also installs a graphical application which can be launched from the Apps Grid. (The app launcher is display-...
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1
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185
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re-configure php for imagemagic and openjpeg
My PHP scripts cannot read jpeg2000 files, and neither can the imagemagick command line.
I installed Ubuntu 18.04 server from the standard download, it installed imagemagick and PHP for me. Apparently ...
- 189
1
vote
1
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3k
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Magick++.h: No such file or directory (Even after installing Magick++)
I am using a WSL Ubuntu terminal.
I executed the following command to install Magick++:
sudo apt-get install libmagick++-dev
After this, I checked to make sure that Magick++.h has been installed or ...
- 13
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1
answer
3k
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ImageMagick convert-im6.q16: unable to open image - No such file or directory @ error/blob.c/OpenBlob/2874
I am having some troubles in a script with convert command in ImageMagick package.
Here is the line :
convert $dst_folder/$1/$2/$3 -resize 144x144\> $thb_folder/$1/$2/$thb_picture
where $1 and $2 ...
- 31
0
votes
0
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37
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How do I use imagick to find all images that are not sized 600x300 in my current folder and all its subdirectories?
I want to find all images that are NOT equal to a size (600x300) in my current folder and all subdirectories. What should I do?
I tried this but it's not working:
find . -iname "*.png" -type ...
- 103
1
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1
answer
231
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I installed ImageMagick and now nvidia-smi cannot communicate with nvidia drivers
I am running Ubuntu 20.04.3 LTS and was using a Nvidia GPU just fine yesterday. I then installed imagemagick (only new install although this may include dependencies), restarted my PC, and now I am ...
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-1
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1
answer
214
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Automatically adding a number to each image in a directory
I want to display a number on top of each image, for all image files in a directory. In other words, each image is modified to contain a box containing a number. How can I automate this?
0
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1
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310
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How "Imagemagick" is on my system without my installation?
The system I use is "Ubuntu 20.04.3 LTS". I did not install Imagemagick. but today after installing Latex its icon is on my applications list. does it relate to latex?! and why it's ...
2
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2
answers
2k
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Opened imagemagick using terminal, not sure how to close it now
I opened imagemagick through the terminal with $ display filename.jpg
Once it opened, the terminal was in use (?) as in no more prompt, just blank space where I could type anything like when you write ...
- 53
1
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1
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790
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convert RAF files in imagemagick
I'm trying to convert .RAF files to .png using imagemagick. When I invoke the command:
convert In.RAF Out.png
I get an error:
convert-im6.q16: delegate failed `'ufraw-batch' --silent --create-id=also ...
- 181
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0
answers
70
views
Image Magick will not purge
I have a similar problem on double - boot windows 10 / Ubuntu (originally windows 7/windows 10 / ubuntu...
I started to get notices in the log that Image Magick was in a 'bad confiiguration state' so ...
2
votes
1
answer
683
views
convert bunch of images to black and white with overwritting existing images
I need to convert a bunch of images (about 1000) to black and white
I used the following code:
convert *.bmp -monochrome ./*.bmp
but it produces new images. for example, I have file1.bmp, file2.bmp ...
- 21
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0
answers
81
views
How to Convert 2 Image to 1 Page PDF With terminal?
I have a question, I have a problem, I want to change 2 images in 1 page pdf, how do I do it? I tried this command
convert *.jpg -resize 1240x1753 \
-extent 1240x1753 -gravity ...
- 343
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0
answers
182
views
How to convert a directory of jpg files to a pdf with filenames as bookmarks?
I have a directory of jpg files that are scans of my handwritten notes. How do I convert them to a single pdf file that has the filenames as bookmarks?
(I eventually also want to add ocr. As ...
- 21
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1
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338
views
Create a gif from the recent 10 images in a folder?
I am wondering if there is a way to create a GIF using ImageMagick or other tools by considering only the recent 10 images from a folder?
- 139
3
votes
1
answer
1k
views
How can I use the `identify` command to find out *only* the file type?
I want to use the identify command (from ImageMagick) to determine a file's type.
The sample command
identify -quiet 'Sample File.gif'
will list several lines. Is there a short and simple way to ...
- 9,910
2
votes
1
answer
336
views
Problem installing ImageMagick 7 using IMEI
I tried to install ImageMagick 7 by IMEI from github:
https://github.com/SoftCreatR/imei/
but always had this answer:
Signature verification failed!
Please check /var/log/imei.log for details.
...
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0
votes
1
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181
views
ImageMagick trouble
Every time I try to download a pdf file, ImageMagick is launched and fails to render the file. How do I get rid of or disable ImageMagick?
1
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0
answers
152
views
Combine a .jpg and .txt in one PDF file (A4 format)
I'm trying to combine two separate files into one PDF file (A4 format). The left side should be filled with a jpeg image (for example: 0050.jpg) and the right side should be filled with text (or an ...
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1
vote
2
answers
858
views
How to convert 32MB of PNG file to 200Kbs without losing its colors
I have couple of images that are of 32MBs of size and I want to change their size from 32MBs to 100Kbs or any KBs of size without affecting its colours.
The commands I am trying are:
muhammad@muhammad-...
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13
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3
answers
14k
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ImageMagick convert on a multiple files
I have 3 files in a directory:
aaa.jpg
bbb.jpg
ccc.jpg
I can scale down an image using ImagkMagick convert:
convert aaa.jpg -resize 1200x900 aaa-small.jpg
I want to do all the images in ...
- 619
3
votes
1
answer
2k
views
Resize image to specific size
I know there are several ways to resize an image via the command line. Some of them are specified here. However, I was wondering whether there is a way to specify the size of the resized image, e.g. I ...
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votes
2
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9k
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How to bulk convert NEF/RAW images to JPG and remove original images?
I want to convert all NEF/RAW image files to an image format that could be easily opened without additional tools.
I thought about using ImageMagick's convert tool as mentioned in How can I convert a ....
- 1,119
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1
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558
views
How do you hide ImageMagick?
I know that you can hide applications by going to /usr/share/applications/, selecting the <appname>.desktop and editing in Hidden=true. In this case however, I can't find imagemagick's .desktop ...
2
votes
1
answer
197
views
Inkscape unable to access ImageMagick
Platform details:
Ubuntu 20.04.2 LTS
Inkscape 1.0.2 (394de47547, 2021-03-26) (snap image)
ImageMagick 8:6.9.10.23+dfsg-2.1ubuntu11.2 and 8:6.9.7.4+dfsg-16ubuntu6.8 (two non-snap versions are ...
- 121
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0
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70
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How to install libheif-dev on Ubuntu 18.04 LTS? [duplicate]
For a longtime I try to get Imagemagick running on my Ubuntu 18.04. After a alot of searching and reading I am stuck now installing libheif-dev.
It seems there is an easy solution for 20.04 LTS:
https:...
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1
answer
423
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Imagemagick montage is creating corrupted filenames in the display command
The Tile Verb in ImageMagick display is not working correctly due to montage corrupting the filenames,
ls -1 home*.png
home_10.png
home11_biggerMB.png
home_12_1600.png
home_12.png
home_15_212_baths....
1
vote
1
answer
785
views
How to resize images to either 900-pixels-height for vertical ones or 900-pixels-width for horizontal ones?
I have vertical (i.e. height > width) and horizontal (i.e. width > height) images.
I want to resize them to either 900-pixels-height vertical ones or 900-pixels-width ones based on their ...
- 15
27
votes
1
answer
22k
views
Where is the magick command of Imagemagick?
This may be a simple question, however, I couldn't find a solution.
The ImageMagick contains a program named magick to convert image formats from one to another.
When I wrote $ magick into the console,...
- 503
2
votes
2
answers
734
views
How to remove slightly modified duplicate images?
I have thousands of images that I have made in my phone and DSLR over last couple of years and never given a thought about photo management until recently and it is a mess now. I used
fdupes -r . > ...
- 23
0
votes
0
answers
11
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i cant install libmagickcore-dev,libmagickwand-dev in ubuntu 20.04 [duplicate]
I tried to install them buy
sudo apt-get install libmagickcore-dev libmagickwand-dev
it gives
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some ...
1
vote
0
answers
70
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Colormapped image required when converting .tif to .png with ImageMagick
As the title says when running the command:
convert -depth 32 ./heightmap.tif ./heightmap.png
I recieve the error:
convert: colormapped image required `./heightmap.tif' @ error/quantum-import.c/...
- 111
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1
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929
views
how to convert 1280x720 jpg files to 640x240 ppm files using ImageMagick convert command?
I'm kind of in a hurry so I ask it here (I'll read the documentation later).
I have image files (width 1280, height 720, colored, jpg) and I want to first reduce the files to half both vertically and ...
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