What is mogrify Linux command?

mogrify is a powerful command-line tool in Linux used for batch processing images. It allows users to resize, rotate, flip, convert, and apply various effects to multiple images at once, making it a handy tool for image manipulation tasks.

mogrify Syntax:

mogrify [options] [parameters]

mogrify Options:

Option	Description
-crop	crop an image to the specified geometry
-resize	resize the image
-rotate	rotate the image by the specified degrees
-flip	flip the image vertically
-flop	flop the image horizontally
-quality	set the image quality

Caution

Exercise caution when using the “mogrify” command as it modifies the original image files directly, which can result in permanent changes and irreversible data loss. It is recommended to make a backup of the files before using this command.

Parameters:

Parameter	Description
file(s)	The image file(s) to be processed

mogrify Command Usage Examples:

Resize Images to a Specific Width

mogrify -resize 800x input_image.jpg

Resizes the input_image.jpg to have a width of 800 pixels while maintaining the aspect ratio.

Convert PNG Images to JPEG Format

mogrify -format jpg *.png

Converts all PNG images in the current directory to JPEG format.

Add Border to Images

mogrify -bordercolor black -border 20x20 *.jpg

Adds a black border of 20 pixels around all JPEG images in the current directory.

Rotate Images

mogrify -rotate 90 *.jpg

Rotates all JPEG images in the current directory by 90 degrees clockwise.

Convert Images to Grayscale

mogrify -type Grayscale *.jpg

Converts all JPEG images in the current directory to grayscale color mode.

Tip

Remember to always make a backup of your files before using the mogrify command, as it will modify the original files.

How do I resize an image using mogrify in Linux?

To resize an image using mogrify in bash, execute the following command:

mogrify -resize 50% image.jpg

How can I rotate an image with mogrify in Linux?

To rotate an image using the mogrify command in bash, you can use the following command:

mogrify -rotate 90 image.jpg

How do I convert images to grayscale with mogrify in Linux?

To convert images to grayscale with mogrify in bash, you can run the following command:

mogrify -type Grayscale image.jpg

How can I add a border to an image using mogrify in Linux?

To add a border to an image with mogrify in bash, use the following command:

mogrify -bordercolor black -border 20x20 image.jpg

How do I crop an image using mogrify in Linux?

To crop an image with mogrify in bash, you can use the following command:

mogrify -crop 100x100+50+50 image.jpg

How can I blur an image with mogrify in Linux?

To blur an image using mogrify in bash, execute the following command:

mogrify -blur 0x8 image.jpg

How do I add text to an image using mogrify in Linux?

To add text to an image with mogrify in bash, you can use the following command:

mogrify -fill white -undercolor '#00000080' -pointsize 36 -annotate +100+100 'Example Text' image.jpg

Applications of the mogrify command

• Batch resize images
• Batch rotate images
• Batch convert image formats
• Batch add effects or filters to images
• Batch compress images