PngOptimizer Alternatives

PngOptimizer is described as 'Compresses graphics files and removes extra, unnecessary data without affecting quality. It will update PNG files or converting BMP, GIF or TGA files to the PNG format using simple drag-and-drop' and is an app in the photos & graphics category. There are more than 50 alternatives to PngOptimizer for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best PngOptimizer alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like PngOptimizer are ImageOptim, TinyFast, OptiImage and RasterFox.

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Alternatives list

  1. Caesium Image Compressor icon

    Caesium Image Compressor

     83 likes
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    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.

    126 Caesium Image Compressor alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    BETA Version
     

    • Caesium Image Compressor is the most popular Web-based, Windows, Mac & Linux alternative to PngOptimizer.

    • Caesium Image Compressor is the most popular Open Source & free alternative to PngOptimizer.

    • Caesium Image Compressor is Free and Open SourcePngOptimizer is also Free and Open Source
    • Caesium Image Compressor is LightweightPngOptimizer is not according to our users
  2. ImageOptim icon

    ImageOptim

     97 likes
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    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).

    105 ImageOptim alternatives

    Cost / License

    • Free Personal
    • Open Source

    Application types

    Platforms

    • Mac
    • Software as a Service (SaaS)
    ImageOptim screenshot 1
     

    • ImageOptim is the most popular SaaS alternative to PngOptimizer.

    • ImageOptim is Free Personal and Open SourcePngOptimizer is Free and Open Source
    • ImageOptim is LightweightPngOptimizer is not according to our users
  4. TinyFast icon

    TinyFast

     8 likes
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    Compress images, videos, and PDFs directly on your Mac with local batch processing, no internet required, and full privacy. Features drag-and-drop workflow, smart quality preservation, on-device optimization, and subscription options for premium tools.

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    TinyFast screenshot 1
     
  5. Ad
    Screenshot
    4K Image Compressor icon
    4K Image Compressor

    Batch compress JPEG, PNG, HEIC, and WEBP images with drag-and-drop functionality, maintain high visual quality, and optimize files for storage, websites, and sharing across platforms without cloud upload or watermarks, supporting...

    https://www.4kdownload.com
    Learn More
  6. OptiImage icon

    OptiImage

     11 likes
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    Optimize PNG, JPEG, WebP, and SVG images efficiently with flexible lossless and lossy compression modes, metadata control, and safe mode to avoid data loss, using tools like oxipng, jpegoptim, scour, and cwebp, enhancing image storage and load efficiency.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    OptiImage screenshot 1
     
  7. RasterFox icon

    RasterFox

     9 likes
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    Compress images with pixel-perfect precision using advanced algorithms that preserve quality while dramatically reducing file sizes.

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Application type

    Platforms

    • Mac
    RasterFox screenshot 1
     
  8. Image Normalizer icon

    Image Normalizer

     1 like
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    Image Normalizer is a cross-platform command-line batch-processing tool that resizes and compresses images, transforming each image by:

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Linux
    Screenshot
     
  10. TinyPNG icon

    TinyPNG

     24 likes
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    Using advanced lossy compression, TinyPNG reduces PNG file sizes by 50-80%, preserving full transparency and minimizing quality loss. Ideal for web designers, it increases website speed, saves bandwidth, and offers tools like a Photoshop plugin and API for seamless integration.

    108 TinyPNG alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Adobe Photoshop
    • Wordpress
    TinyPNG screenshot 1
     
  11. ImgSmaller icon

    ImgSmaller

     Like
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    ImgSmaller is a privacy-first image compression tool that lets you compress JPG, PNG, and WebP images directly in your browser. No data leaves your device thanks to our Zero-Upload Mode. If your browser doesn't support this, the image is temporarily uploaded to our server...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Main Compression Interface (Before Upload)-The main interface of ImgSmaller, where users can drag and drop images for compression. A toggle for "Zero-Upload (100% Privacy Mode)" ensures all processing happens on the user’s device. The user can set target file size, choose from JPG, PNG, WEBP, AVIF formats, and crop before compressing. Clean and minimal layout designed for speed and security.
     
  12. PNGGauntlet icon

    PNGGauntlet

     32 likes
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    -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG -Ultra-configurable

    PNGGauntlet is a .NET program that uses Ken Silvermans PNGOUT, OptiPNG and DeflOpt to optimize PNG fil.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    PNGGauntlet screenshot 1
     
  13. OptiPNG icon

    OptiPNG

     21 likes
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    OptiPNG is a command-line 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.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
     
  14. MAZANOKE icon

    MAZANOKE

     3 likes
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    MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.

    57 MAZANOKE alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Self-Hosted
    • Docker
    MAZANOKE screenshot 1
     

    • MAZANOKE is the most popular Self-Hosted alternative to PngOptimizer.

    • MAZANOKE is Free and Open SourcePngOptimizer is also Free and Open Source
    • MAZANOKE is Privacy focusedPngOptimizer is not according to our users
  15. FFShare icon

    FFShare

     6 likes
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    An Android app to compress images and videos through ffmpeg before sharing them.

    73 FFShare alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Android
    • F-Droid
    FFShare screenshot 1
    FFShare screenshot 2
    FFShare screenshot 3
     

    • FFShare is the most popular Android alternative to PngOptimizer.

    • FFShare is Free and Open SourcePngOptimizer is also Free and Open Source
    • FFShare is LightweightPngOptimizer is not according to our users
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