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Image Optimizers

  1. File Converter is a very simple tool which allows you to convert and compress one or several file(s) using the context menu in Windows Explorer.

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    Features
    1.  Windows Explorer ExtensionFile Converter can extend Windows Explorer in various ways, for example add context menu options, etc..
    2.  PortableFile Converter can be used from a USB stick or similar with no prior installation.
    3.  Works OfflineFile Converter can be used without the need to connect to the internet.
    Discontinued

    The last version (1.2.3) was released in 2017.

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  2. ImageMagick icon
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Xfce
    66 alternatives to ImageMagick 

    ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.

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  3. Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.

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    1.  PortableCaesium Image Compressor can be used from a USB stick or similar with no prior installation.
    2.  Batch Rename FilesCaesium Image Compressor supports renaming of different types of files or data in large batches.
    BETA Version
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  4. FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.

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    Features
    1.  PortableFileOptimizer can be used from a USB stick or similar with no prior installation.
    2.  PDF compressionFileOptimizer can reduce the size of your PDF without losing quality
    Main Window
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  5. XnConvert icon

    XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.

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    Features
    1.  PortableXnConvert can be used from a USB stick or similar with no prior installation.
    2.  LightweightXnConvert consumes less device resources compared to similar apps.
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  6. ImageOptim icon
    • Mac
    • Software as a Service (SaaS)
    79 alternatives to ImageOptim 

    ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).

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  7. Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.

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  8. Compress and compare images with different codecs, right in your browser.

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  9. Convert and Rename images in batch mode

    Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000

    Resize, crop, change color depth, apply color effects, add text, watermark and border effects

    Rename images with sequential number

    Search and replace texts in the file names

    Preview conve.

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  10. Statically icon
    • Online
    • Software as a Service (SaaS)
    28 alternatives to Statically 

    The best free and fast CDN for images, CSS, JavaScript, and open source. Statically is powered by multi-CDN: Google Cloud CDN, CloudFront, Cloudflare, Fastly, and BunnyCDN.

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  11. pngquant icon
    • Mac
    • Windows
    • Linux
    57 alternatives to pngquant 

    pngquant is a command-line utility and a library for lossy compression of PNG images.

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  12. TinyPNG icon
    • Online
    • Adobe Photoshop
    • Wordpress
    68 alternatives to TinyPNG 

    Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!.

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  13. Oxipng icon
    • Mac
    • Windows
    • Linux
    • Squoosh
    84 alternatives to Oxipng 

    Oxipng is a multithreaded lossless PNG compression optimizer in Rust. It can be used via a command-line interface or as a library in other Rust programs.

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    Features
    1.  Command line interfaceOxipng either have CLI support or is a CLI-only app.
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  14. Experimental, fast Web PNG/JPG optimizer which offer lossless, visually lossless or lossy compression. it performs image reductions over iterations thanks to recursive multi-processing and multithreading systems.

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  15. CodeKit icon
    • Mac
    15 alternatives to CodeKit 

    CodeKit automatically compiles all those awesome languages you read about in tutorials.

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    1.  Live PreviewInstantly see what your files and documents look like as you create them.
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