ImageMagick is a set of command line utilities to modify, transform, and convert images. The utilities are available for all major OSes.

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11
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2answers
13k views

Using Ghostscript to convert multi-page PDF into single JPG?

I know Ghostscript can convert PDFs to JPGs, and in the case of a multi-page PDF, can rip each page to an individual JPG. But is it possible to have it rip them to one JPG, so that the pages are ...
20
votes
3answers
3k views

Convert HTML to image

Background Batch convert various syntax-highlighted source files (C, SQL, Java, PHP, batch, bash) into high-resolution images (600dpi), suitable for an eBook and printed book. Failed Solutions A ...
61
votes
1answer
45k views

Combine multiple images using ImageMagick

I would like to combine multiple images into one image using ImageMagick. To explain a little better, I want the result to look similar to this: That is, I have a number of screenshots, and I want ...
8
votes
2answers
7k views

Command Line loop to run command on all files in a directory (plus sub directories, if possible

I'm assuming this is fairly easy to do, but I have zero experience with Windows's command line utilities. Basically, I need to iterate over all files in a directory (great if it can do ...
3
votes
2answers
2k views

Cannot run 'display' after ImageMagick install on Ubuntu

I'm trying to install ImageMagick to my Ubuntu box. I've run the following command: sudo aptitude install imagemagick Now whenever I try to run 'display' from the command line, I get an error ...
1
vote
2answers
5k views

How to convert a photo to a black and white image by ImageMagick?

How can I convert a JPEG photo to black and white (not grayscale) image like output of a FAX scanner, by ImageMagick?
1
vote
2answers
4k views

ImageMagick import command gives error on windows?

I get the following error when I run the import command of ImageMagick from command-line import: unable to open X sever '(null)' @error /import.c/ImportImageCommand/362 [No such file or directory] ...
0
votes
0answers
206 views

ImageMagick “display” command returns “delegate library support not built-in” error [duplicate]

Possible Duplicate: Cannot run 'display' after ImageMagick install on Ubuntu When I enter: # display logo.gif I get the following error: display: delegate library support not ...
54
votes
2answers
35k views

How do you re-install a package with Homebrew (Mac)?

Struggling to find good Homebrew documentation (or tutorial)... In the mean time I need to reinstall ImageMagick that was installed with Homebrew (brew install imagemagick) and not sure if I should ...
16
votes
4answers
19k views

I want to change DPI with Imagemagick without changing the actual byte-size of the image data

I feel so horribly sorry that I have to ask this question here, but after hours of researching how to do an actually very simple task I'm still failing... In Gimp there is a very simple way to do ...
5
votes
2answers
5k views

How can I deskew and crop PDFs made from scanned pages *automatically*? [duplicate]

Possible Duplicate: Which free software can I use to deskew scanned images I have several PDFs made up of book pages' scans. The scans are made from two pages at a time and some of these ...
5
votes
2answers
3k views

Convert a series of PNGs to an animated gif or video file

I have a series of PNG image files that I want to convert into animation. What is the best way to convert them into a GIF? Also I have tried various tools to convert them into a video file (like ...
3
votes
1answer
722 views

Vectorized fonts in PDF output of ImageMagick montage?

I am using ImageMagick (under Linux) to make a 3x3 montage of nine PNGs which I have, and label them. Desired is PDF output with vectorized fonts as the labels. I use this command: montage -label ...
1
vote
1answer
716 views

How can I run mogrify, but prefix the filename?

I have 300k+ jpg files in the same directory. Files are like: /covers 0788862281217.jpg 0788863155104.jpg 7888311516341.jpg 7888370920479.jpg 7888497074277.jpg I need to batch resize saving the ...
1
vote
2answers
1k views

terminal transparency, Imagemagick, and X11 root window problem

I use Ubuntu Natty, urxvt (with 256 colours), and Imagemagick (display -window root [...]) to set the root window to a picture. When I use the transparancy (-tr) option on urxvt, I get the Ubuntu X ...
2
votes
1answer
1k views

Unable to execute port when installing ImageMagick

I'm trying to install ImageMagick by using MacPorts. I've successfully installed MacPorts by using their Mountain Lion .pkg file. I open the terminal and run: sudo port install ImageMagick However ...