PNGGauntlet AlternativesImage Optimizers & File Compressors like PNGGauntlet

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

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PNGGauntlet alternatives are mainly Image Optimizers but may also be File Compressors or Image Converters.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of PNGGauntlet.
PNGGauntlet iconPNGGauntlet
  32
  • ...

-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...

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PNGGauntlet alternatives page was last updated Mar 27, 2025
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Alternatives
  1. ImageOptim icon

    ImageOptim

     93 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).

    93 ImageOptim alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

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

    Properties

    1.  Lightweight

    Features

    1.  Lossless Compression
    2.  PNG Compression
    3.  Lossless quality
    4.  Remove EXIF Data
    5.  Batch Editing
    6.  Ad-free
    7.  Works Offline
    8.  Support for GIF
    9.  Support for Multiple threads
    10.  PNG Optimization
    11.  Support for SVG
    12.  Remove metadata

    ImageOptim VS PNGGauntlet

     

    • ImageOptim is the most popular Mac & SaaS alternative to PNGGauntlet.

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

    • ImageOptim is Free Personal and Open SourcePNGGauntlet is Free and Proprietary
    • ImageOptim is LightweightPNGGauntlet is not according to our users
  2. OptiImage icon

    OptiImage

     10 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.

    53 OptiImage alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    • Flatpak
    OptiImage screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  No Tracking
    2.  No registration required
    3.  Ad-free
    4.  Works Offline
    5.  PNG Compression

    OptiImage VS PNGGauntlet

     

    • OptiImage is the most popular Linux alternative to PNGGauntlet.

    • OptiImage is Free and Open SourcePNGGauntlet is Free and Proprietary
    • OptiImage is Privacy focused and LightweightPNGGauntlet is not according to our users
  4. RIOT - Radical Image Optimization Tool icon

    RIOT - Radical Image Optimization Tool

     99 likes
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    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.

    93 RIOT - Radical Image Optimization Tool alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

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

    Properties

    1.  Lightweight

    Features

    1.  Change image size
    2.  Image Optimizer
    3.  Lossless Compression
    4.  Batch processing
    5.  Ad-free
    6.  Works Offline

    RIOT - Radical Image Optimization Tool VS PNGGauntlet

     

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

    • RIOT - Radical Image Optimization Tool is Free and ProprietaryPNGGauntlet is also Free and Proprietary
    • RIOT - Radical Image Optimization Tool is LightweightPNGGauntlet is not according to our users
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    Light Image Resizer icon
    Light Image Resizer

    Create email-friendly images, resize in batches, convert formats, and compress using high-quality filters. Integrated in Windows Explorer, it offers high-res settings, watermarking, a profiles library, PDF creation, and supports ...

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  6. TinyPNG icon

    TinyPNG

     23 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.

    88 TinyPNG alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Adobe Photoshop
    • Wordpress
    TinyPNG screenshot 1

    TinyPNG Features

    1.  PNG Compression
    2.  PNG Optimization
    3.  Web-Based

    TinyPNG VS PNGGauntlet

     
    Comments about TinyPNG as an Alternative to PNGGauntlet
    Hiccup
    Negative •Aug 21, 2017
    5

    PNGGauntlet is a lossless compression tool. TinyPNG is lossy.

    PNGGauntlet Icon
    TinyPNG icon

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

    • TinyPNG is Freemium and ProprietaryPNGGauntlet is Free and Proprietary
  7. Oxipng icon

    Oxipng

     7 likes
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    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.

    91 Oxipng alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Squoosh

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Command line interface
    2.  PNG Optimization
    3.  PNG Compression
    4.  Portable
    5.  Works Offline
    6.  Ad-free
    7.  No Tracking
    8.  No registration required

    Oxipng VS PNGGauntlet

     
  8. MAZANOKE icon

    MAZANOKE

     2 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.

    50 MAZANOKE alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted
    • Docker
    MAZANOKE screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Works Offline
    2.  No Tracking
    3.  Dark Mode
    4.  Ad-free
    5.  Progressive Web App
    6.  WebP Convert
    7.  WEBP Support

    MAZANOKE VS PNGGauntlet

     

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

    • MAZANOKE is Free and Open SourcePNGGauntlet is Free and Proprietary
    • MAZANOKE is Privacy focusedPNGGauntlet is not according to our users
  10. OptiPNG icon

    OptiPNG

     20 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.

    47 OptiPNG alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    OptiPNG Features

    1.  Command line interface
    2.  Image Processing
    3.  Optimization
    4.  PNG Optimization
    5.  PNG Compression

    OptiPNG VS PNGGauntlet

     
  11. Pingo - image optimizer for web icon

    Pingo - image optimizer for web

     10 likes
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    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.

    69 Pingo - image optimizer for web alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    Pingo - image optimizer for web screenshot 1

    Pingo - image optimizer for web Features

    1.  Command line interface
    2.  PNG Optimization
    3.  PNG Compression
    4.  Lossless Compression
    5.  Export to SVG
    6.  Image Processing

    Pingo - image optimizer for web VS PNGGauntlet

     
  12. Image Tuner icon

    Image Tuner

     20 likes
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    Image Tuner is a free batch image resizing, renaming, conversion and watermarking software with a super-intuitive and straightforward interface.

    73 Image Tuner alternatives

    License model

    Application types

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Image Tuner screenshot 1

    Image Tuner Features

    1.  RAW Photo Editors
    2.  Batch Rename Files
    3.  Batch conversion
    4.  Watermark images
    5.  Image Processing

    Image Tuner VS PNGGauntlet

     

    • Image Tuner is the most popular commercial alternative to PNGGauntlet.

    • Image Tuner is Paid and ProprietaryPNGGauntlet is Free and Proprietary
  13. Light Image Resizer icon

    Light Image Resizer

     17 likes
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    Create email-friendly images, resize in batches, convert formats, and compress using high-quality filters. Integrated in Windows Explorer, it offers high-res settings, watermarking, a profiles library, PDF creation, and supports devices like iPad and iPhone.

    88 Light Image Resizer alternatives

    License model

    Application type

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Windows
    Light Image Resizer screenshot 1

    Light Image Resizer Features

    1.  Batch Rename Files
    2.  Convert images to PDF
    3.  Watermark images
    4.  JPG to PDF Conversion

    Light Image Resizer VS PNGGauntlet

     
  14. pngquant icon

    pngquant

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

    65 pngquant alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    pngquant Features

    1.  Command line interface
    2.  Portable
    3.  PNG Compression
    4.  Image Processing
    5.  PNG Optimization

    pngquant VS PNGGauntlet

     
  15. Clop icon

    Clop

     1 like
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    Clipboard optimizer for macOS.

    25 Clop alternatives

    License model

    • Freemium • Open Source

    Application type

    Platforms

    • Mac
    Clop screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  Dark Mode
    3.  Ad-free
    4.  No Tracking
    5.  Works Offline

    Clop VS PNGGauntlet

     
12 of 56 PNGGauntlet alternatives