OptiPNG AlternativesImage Optimizers & File Compressors like OptiPNG

OptiPNG is described as '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' and is a Image Optimizer in the os & utilities category. There are more than 50 alternatives to OptiPNG for a variety of platforms, including Windows, Mac, Linux, Web-based and Flathub apps. The best OptiPNG alternative is ImageOptim. It's not free, so if you're looking for a free alternative, you could try ImageOptim or TinyFast. Other great apps like OptiPNG are RasterFox, RIOT - Radical Image Optimization Tool, TinyPNG and ImgSmaller.

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Alternatives list

  1. ImageOptim icon

    ImageOptim

     97 likes

    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).

    109 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 Mac & SaaS alternative to OptiPNG.

    • ImageOptim is the most popular Open Source & free alternative to OptiPNG.

    • ImageOptim is Free Personal and Open SourceOptiPNG is Free and Open Source
  2. TinyFast icon

    TinyFast

     9 likes

    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.

    57 TinyFast alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application types

    Platforms

    • Mac
    TinyFast screenshot 1
     
  4. OptiImage icon

    OptiImage

     11 likes

    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

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    OptiImage screenshot 1
     

    • OptiImage is the most popular Linux alternative to OptiPNG.

    • OptiImage is Free and Open SourceOptiPNG is also Free and Open Source
    • OptiImage is Privacy focusedOptiPNG is not according to our users
  5. RasterFox icon

    RasterFox

     9 likes

    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
     
  6. RIOT - Radical Image Optimization Tool icon

    RIOT - Radical Image Optimization Tool

     100 likes

    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.

    100 RIOT - Radical Image Optimization Tool alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • GIMP
    • XnView
    • IrfanView
    RIOT - Radical Image Optimization Tool screenshot 1
     

    • RIOT - Radical Image Optimization Tool is the most popular Windows alternative to OptiPNG.

    • RIOT - Radical Image Optimization Tool is Free and ProprietaryOptiPNG is Free and Open Source
  7. TinyPNG icon

    TinyPNG

     24 likes

    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.

    112 TinyPNG alternatives

    Cost / License

    • Freemium (Pay once or Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Adobe Photoshop
    • Wordpress
    TinyPNG screenshot 1
     
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    1
    Comments about TinyPNG as an Alternative to OptiPNG
    Guest
    Positive
    0

    Excellent. So fast and easy to use, just drag and drop. It reduces 60% of my image. Thats amazing, saves us a lot of trouble.

    Review by a new / low-activity user.
    OptiPNG Icon
    TinyPNG icon

    • TinyPNG is the most popular Web-based alternative to OptiPNG.

    • TinyPNG is Freemium and ProprietaryOptiPNG is Free and Open Source
  9. ImgSmaller icon

    ImgSmaller

     Like

    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.
     
  10. PNGGauntlet icon

    PNGGauntlet

     32 likes

    -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
     
  11. MAZANOKE icon

    MAZANOKE

     3 likes

    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.

    Cost / License

    Application type

    Platforms

    • Self-Hosted
    • Docker
    MAZANOKE screenshot 1
     

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

    • MAZANOKE is Free and Open SourceOptiPNG is also Free and Open Source
    • MAZANOKE is Privacy focusedOptiPNG is not according to our users
  13. Oxipng icon

    Oxipng

     7 likes

    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Squoosh
     
  14. pngquant icon

    pngquant

     14 likes

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

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
     
12 of 51 OptiPNG alternatives