ImageMagick is an open source image editing software suite for displaying, converting, and editing raster image files. It supports read/write for more than 100 image file formats.

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1answer
23 views

Merging pairs of TIFF files in a directory

For example, say a given directory has 1000 TIFF files named sample1.TIFF, sample2.TIFF, etc., all the way to sample1000.TIFF. I want to merge each pair of files: sample1.TIFF and sample2.TIFF are ...
0
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4answers
958 views

How to rotate all images in a directory with imagemagic?

I want to rotate all the images in a directory that match a pattern. So far I have: for file in `ls /tmp/p/DSC*.JPG`; do convert $file -rotate 90 file+'_rotated'.JPG done but that gives no ...
1
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0answers
49 views

Is there an approach to have feh --thumbnails do not display filename?

I have many pictures which are screen shots created from shutter and downloaded from web. These pictures have long file names. When I create thumbnails on these pictures via feh -t, these long file ...
21
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9answers
28k views

Converting multiple image files from JPEG to PDF format

I want to convert some files from jpeg to pdf. I am using following command. $ convert image1.jpg image1.pdf But I have 100 images. How should I convert all of them to corresponding pdfs? I ...
2
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1answer
42 views

Image size with gscan2pdf and ImageMagick `convert` bloat

I scan all my important incoming physical-mail to PDF. I am trying to move this activity to Linux as part of the process of eliminating my dependence on Windows - where I used to use the excellent but ...
1
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2answers
38 views

Bulk rename and resize with Imagemagick

I need to convert a very large number of images that are called 1a.jpg, 2a.jpg, 3a.jpg using Imagemagick to be processed and renamed 1.jpg, 2.jpg, 3.jpg (in the same directory). The Imagemagick ...
5
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2answers
3k views

How can I add invisible watermark to images on commandline?

Similar question here but for Tex -document. Imagemagick shows ways of watermarking here but not how to do it as invisible as possible. I currently just obfuscate some functional elements into photos ...
16
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6answers
710 views

How to type several file names with fewer key strokes

If I want to convert a pdf to a png image with imagemagick I do something like: convert -trim -density 400 this_is_a_very_long_filename_of_my_pdf_file.pdf ...
0
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1answer
120 views

Can't remove ImageMagick using yum remove

I want to remove the ImageMagick,But I got this error [root@localhost ~]# cat /etc/redhat-release CentOS release 6.4 (Final) [root@localhost ~]# rpm -qa "ImageMagick*" ...
2
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1answer
130 views

How to convert, resize and center image with ImageMagick

I'm unable to center a converted *.png file with ImageMagick's gravity option. Gravity seems to have no effect in the following command. On the contrary it erases everything and the output becomes ...
15
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4answers
18k views

How can I convert a PNG to a PDF in high quality so it's not blurry or fuzzy?

There are a lot of questions out there about how to convert a PDF file to a PNG image, but I'm looking to take a nice sharp PNG file and just basically wrap it or embed it in a PDF file without having ...
15
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5answers
12k views

convert images to pdf: How to make PDF Pages same size

I did something like convert -page A4 -compress A4 *.png CH00.pdf But the 1st page is much larger than the subsequent pages. This happens even though the image dimensions are similar. These images ...
1
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0answers
48 views

Imagemagick batch crop / rename to new folder

I am in the middle of writing a bash script which involves imagemagick taking a set of images in one directory, cropping them at 16/9 ratio from the center, and renaming them "image" + 5 digit number. ...
3
votes
3answers
2k views

Command line convert webp to jpg?

I'm using ubuntu 12.04. I've installed libwebp2 & libwebp-dev So far, no example found on the net of converting webp to jpg. Some webp files can easily converted by using imagemagick with ...
4
votes
1answer
2k views

Use imagemagick to convert opaque color to alpha

I have an image with a black background with white elements in the foreground. The image has smoothing, so there are 'in-between' pixels that aren't strictly black or white. I'd like to make the ...
0
votes
1answer
38 views

How can I make my command more susceptible to system slowdowns so as to use it as a visual QoS widget on my desktop?

I had some system slowdown event1 after mistakenly using a command so I thought I could use a desktop "widget" to visually show quality of service or at least show when QoS was degraded and get some ...
0
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2answers
101 views

Shell Script Output not written to file properly

I tried to put the output of my program into a text file. It appends the echo commands to the file properly, but the imagemagick "compare" command is not appended to the file. It just STOUD's the ...
4
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1answer
134 views

Imagemagick: set IPTC parameters in jpeg image

With the Imagemagick command $ identify -verbose image.jpg so many properties of the image are shown. For example, in the output I can find Profiles: Profile-8bim: 1058 bytes Profile-iptc: 1017 ...
4
votes
1answer
340 views

ImageMagick (or other) for UTF-8 text to image

I'm trying to create many single-character images using convert. The purpose is to provide a plastics specialist with images to print onto keyboard keycaps. The ImageMagick documentation suggests ...
1
vote
1answer
53 views

Can I select a region for the screenshot via keyboard in import

Can I select a region for the screenshot via keyboard in import from ImageMagick? If yes, how can I do it? If no, what can I use instead of import?
5
votes
3answers
303 views

How to rescale several images to same size

I have several image files in a directory. These images are similar size and have same background color. How can I make all images same size by adding background like this attached image?
1
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1answer
285 views

Imagemagick convert incorrectly sizes landscape pdfs

When I run convert example.pdf example.png I get a png image, but the image in the pdf is off-center and too small. How do I convert so that the png image is the right size and takes the whole ...
1
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1answer
896 views

unable to open X server [duplicate]

I am trying to display the dimensions of an image and then resize them with a program my system says is there called Package ImageMagick-6.5.4.7-7.el6_5.i686 already installed and latest version. But ...
10
votes
3answers
2k views

remove extra tilespace from a montage (ImageMagick) composite image?

I have a bunch of photos. They're all the same height, and I'm trying to put them together into a composite image using ImageMagick's montage program via Bash. The problem is that by default, the tile ...
0
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1answer
144 views

Imagemagick segmentation-fault

I statically compiled Imagemagick. Converting images works well so far. But when I run identify -list delegate it shows my delegates, but then exits with "Aborted (core dumped)". Here is the strace ...
0
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1answer
95 views

Compiling ImageMagick with special path to librairies

I have been compiling ImageMagick 3.1.2 with the following options ./configure --prefix=/usr/local/imagick-3.1.2/ --with-php-config=/usr/local/php-5.3.13/bin/php-config ...
2
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0answers
584 views

Can't Install ImageMagick on Centos using Yum

I am trying to install ImageMagick on my dedicated-virtual Centos server for use with PHP. I first ran the following commands successfully: # yum install gcc php-devel php-pear # yum install ...
1
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2answers
951 views

Convert image with imagemagick command line convert tool

I have an image Image.png. How do I use the ImageMagick command convert to make this file into a Image.jpg file with the following requirements: File size is 200~500 kb. Resolution in not less than ...
1
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0answers
41 views

Convert command produces a small error [closed]

First off, I'm on a Mac, but I think this can be solved here. I'm converting a .gif animation to a series of .png's using. $ convert ex.gif my_png_files_%d.png I get a series of .png-figures but ...
6
votes
3answers
415 views

ImageMagick on multiple files

I have converted a single file from BMP to PNG with ImageMagick's convert using the command below convert CD\ Front.bmp CD\ Front.png I have many such files, thus I tried: for f in */*.bmp ; do ...
2
votes
1answer
476 views

convert pdf to png with resize and adding black border

I try to convert the first page of a book to a png, scale the png to a certain size and add a black border. This is what I tried: convert tmp.pdf\[0\] -background white -alpha remove -border 8 ...
0
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2answers
428 views

ImageMagick convert script is failing to generate thumbnails

Product Information: ImageMagick Vers : ImageMagick-6.8.6 Operating System : RHEL 6.4. We are using ImageMagick in our CMS application to convert eps files to png files. But the script is not able ...
2
votes
5answers
898 views

Bash: Fastest way of determining dimensions of image from URL

I'm trying to figure out a really fast method in bash of determining an images dimensions. I know I could wget the image and then use imagemagick to determine the height and width of the image. I'm ...
1
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1answer
456 views

Imagemagick on open wrt router “UnableToOpenConfigureFile”

I have installed Open Wrt on my TP-Link TL-WR740N/ND v4. Everything works fine but the Imagemagick. I have installed it into ram (no enough space on rom ) with opkg # opkg install imagemagick ...
4
votes
2answers
3k views

How to convert a color pdf to black-white?

I'd like to transform a pdf with some coloured text and images in another pdf with only black&white, in order to reduce its dimensions. Moreover, I would like to keep the text as text, without ...
0
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1answer
412 views

How to create ico file with more then one image

I can use imagemagic to convert png to ico but (I think, not sure) it will create one image ico file for the size I specify. convert favicon.png --resize 32 favicon.ico And ico file can contain 2 ...
2
votes
1answer
238 views

Remove nth frames of a gif (remove a frame every n frames)

I've recorded a .gif of the screen with ffmpeg. I've used gifsicle and imagemagick to compress it a bit, but it's still to big. My intent is making it small by removing, say, a frame every 2 frames, ...
15
votes
5answers
16k views

Creating a GIF animation from PNG files

Is there a tool to create a gif animation from a set of png files? I tried the convert command from the ImageMagick suite, but this doesn't always succeed. Also, I have several issues with this: I ...
3
votes
1answer
1k views

imagemagick's convert unexpectedly changing the background color

what I'm trying to achieve is to pull a simple graphic from a webserver and use imagemagick to change a few colors so that I can then further use this image. This is the imagemagick portion: convert ...
0
votes
1answer
135 views

How can I create my own imagemagick binary releases?

I'm looking for a way to build ImageMagick binary distributions for deploying my app. I only need it for Kinux 64-bit (Ubuntu/Debian) and OSX. Actually building it is fine, but I have no idea how to ...
11
votes
6answers
19k views

How to convert TXT to PDF?

I want to convert .txt files to .pdf. I'm using this: ls | while read ONELINE; do convert -density 400 "$ONELINE" "$(echo "$ONELINE" | sed 's/.txt/.pdf/g')"; done But this produces one "error" -- ...
1
vote
1answer
160 views

imagemagick display: different text in font preview

The awesome display command from imagemagick allows me to preview fonts: display ~/.fonts/font.ttf However, the text is always the same ('That which does not destroy me, only makes me stronger'). ...
0
votes
1answer
1k views

Imagemagick used to generate PPM's in Linux, PPM's are unreadable

I need to generate PPM's as raw data sources for one program. I have a bunch of png's as Input, which I'm going to convert ppm's. When I try a tool like mogrify it generates files, but these are ...
3
votes
2answers
594 views

Oneliner for slicing an image?

I'm looking for a oneliner command that would slice an image into given proportions. Say input would be filename and slice dimensions. Are there any standard command-line tools for this? I tried ...
0
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2answers
641 views

raspberry pi keeps killing imagemagicks convert

My raspberry Pi keeps killing imagemagick's convert command when I'm resizing images, especially larger images. Is there any way I can prevent this?
7
votes
4answers
619 views

Iterate over n files?

I've got something fairly simple I want to do. I want to use montage on a directory that contains thousands of images, with very few options, namely: me@home$ montage -size 256x256 DSC01*.JPG.svg ...
8
votes
4answers
13k views

pdf to jpg without quality loss; gscan2pdf

When I convert a pdf file to bunch of jpg files using convert -quality 100 file.pdf page_%04d.jpg I have appreciable quality loss. However if I do the following, there is no (noticeable) quality ...
2
votes
3answers
575 views

Howto recursively create PDF thumnbails on linux command line

I am able to use ImageMagick to create a thumbnail of the first page of a PDF using: convert -thumbnail x80 95.pdf[0] thumb_95.png This works fine and generates a thumb_95.png file. I have tried ...
0
votes
1answer
265 views

ImageMagick to detect numbers

I was curious to know if ImageMagick can detect numbers in an image? What is the best way to code for this if it can be done? If ImageMagick cannot do it is there another way to detect numbers on an ...
3
votes
1answer
252 views

Omitting extension with find?

I need to create thumbnails from multiple .png files and would like to do this using ImageMagicks convert utility. To recursively find all files that are not thumbnails themselves, I am using the ...