OptiPNG optimizes PNG files, i.e. reduce their size to a minimum, without losing semantic information.
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Category: CLI
pngquant – command-line utility and a library for lossy compression of PNG images
pngquant is a command-line utility and a library for lossy compression of PNG images.
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Lepton – image compression tool and file format
Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.
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MozJPEG – Mozilla JPEG Encoder Project
MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time.
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Guetzli – perceptual JPEG encoder
Guetzli is a JPEG encoder that aims for excellent compression density at high visual quality.
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hexer – multi-buffer editor for binary files
The hexer utility is a multi-buffer editor for binary files for Unix-like systems that displays its buffer(s) as a hex dump.
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hyx – minimalistic hex editor
hyx is a minimalistic but powerful hex editor. It’s written in less than 2,300 lines of C.
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hexedit – view and edit hexadecimal files
hexedit is a utility that lets you view and edit files in hexadecimal or in ASCII.
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DHEX – ncurses-based hex editor with diff mode
DHEX is a hex editor. It can be used to alter individual bytes in large files. DHEX is a text-based program that uses ncurses.
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hexyl – colored command-line hex viewer
hexyl is a simple hex viewer for the terminal with colored output.
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ImHex – hex editor
ImHex is a hex editor. It can display, decode and analyze binary data to reverse engineer their format, extract information or patch values. There’s also a CLI.
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ImageMagick – create, edit, compose, or convert bitmap images
ImageMagick is a software suite to create, edit, and compose bitmap images. All manipulations can be achieved through shell commands.
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scrot – command line screen capture utility
scrot (SCReenshOT) is a simple command line screen capture utility. It uses imlib2 to grab and save images.
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dirstat-rs – disk usage cli
dirstat-rs is a command-line disk usage utility, similar to windirstat. The tool can output sorted JSON.
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tdu – top disk usage
This command-line tool estimates the disk space occupied by all files in a given path.
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