jpegoptim is a utility to optimize jpeg files. Both lossless and lossy optimization are available from this free and open source tool.
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Category: CLI
oxipng – multithreaded PNG optimizer
Oxipng is a multithreaded lossless PNG compression optimizer (CLI and library).
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pngcrush – optimizer for PNG files
Pngcrush is a free and open source optimizer for PNG (Portable Network Graphics) files. It is a command-line tool.
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zopflipng – PNG optimisation tool using zopfli
Zopfli Compression Algorithm is a compression library programmed in C to perform very good, but slow, deflate or zlib compression.
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OptiPNG – advanced PNG optimizer
OptiPNG optimizes PNG files, i.e. reduce their size to a minimum, without losing semantic information.
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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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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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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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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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pdu – parallel disk usage utility
Parallel Disk Usage (pdu) is a highly parallelized, fast directory tree analyzer.
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godu – disk usage analyzer
godu is a simple golang utility helping you to discover large files/folders. This is a terminal based tool.
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erdtree – multi-threaded file-tree visualizer and disk usage analyzer
erdtree is multi-threaded file-tree visualizer and disk usage analyzer that respects hidden files and .gitignore rules by default.
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dua – disk usage analyzer
dua (Disk Usage Analyzer) is a tool to conveniently learn about the usage of disk space of a given directory.
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gdu – disk usage analyzer
gdu is a disk usage analyser with console interface. gdu is free and open source software.
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