Browse free open source File Compression software and projects for Windows and ChromeOS below. Use the toggles on the left to filter open source File Compression software by OS, license, language, programming language, and project status.

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  • 1

    OptiPNG

    Advanced PNG optimization program

    OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
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    Downloads: 1,093 This Week
    Last Update:
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  • 2
    Basic Compression Library is a portable library of well known compression algorithms, such as Huffman coding, written in standard ANSI C. It is intended to serve as a set of building blocks for specialized compression algorithms.
    Downloads: 1 This Week
    Last Update:
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  • 3
    Downloads: 0 This Week
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  • 4

    larra

    C++ library for archive random read access.

    larra provides some simple interfaces for archive access. The main feature is that it uses the same interface for directories and archives, which allows archive-in-archive access (like .tar.gz). For file access a seekable stream interface is used.
    Downloads: 0 This Week
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  • 5
    liblzg is a minimal implementation of an LZ77 class compression library. The main characteristic of the library is that the decoding routine is very simple, fast and requires no memory.
    Downloads: 0 This Week
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  • 6
    Alternative approach to minimum redundancy coding (fixed-length) without using tree data structures. The main advantages are simplicity and flexibility.
    Downloads: 0 This Week
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