TruePNG AlternativesImage Optimizers & File Compressors like TruePNG

TruePNG is described as 'Is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets it to optimize further, even if it uses a less efficient compression algorithm than others tools' and is a Image Optimizer in the os & utilities category. There are more than 25 alternatives to TruePNG for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best TruePNG alternative is OptiImage, which is both free and Open Source. Other great apps like TruePNG are ImageOptim, TinyPNG, PNGGauntlet and Oxipng.

TruePNG
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TruePNG is one of the most advanced PNG optimizers available. It does the most exhaustive checks for reductions, that lets...

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TruePNG alternatives page was last updated Mar 27, 2025
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  1. OptiImage icon
     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.

    License model

    • FreeOpen Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    • Flatpak

    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 TruePNG

     
    • OptiImage is the most popular Linux alternative to TruePNG.

    • OptiImage is the most popular Open Source & free alternative to TruePNG.

    • OptiImage is Free and Open SourceTruePNG is Free and Proprietary
    • OptiImage is Privacy focused and LightweightTruePNG is not according to our users
  2. ImageOptim icon
     94 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 PersonalOpen Source

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Mac
    • Software as a Service (SaaS)

    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 TruePNG

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

    • ImageOptim is Free Personal and Open SourceTruePNG is Free and Proprietary
    • ImageOptim is LightweightTruePNG is not according to our users
  3. TinyPNG icon
     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.

    90 TinyPNG alternatives

    License model

    • FreemiumProprietary

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Adobe Photoshop
    • Wordpress

    TinyPNG Features

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

    TinyPNG VS TruePNG

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

    • TinyPNG is Freemium and ProprietaryTruePNG is Free and Proprietary
  4. PNGGauntlet icon
     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.

    License model

    • FreeProprietary

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows

    PNGGauntlet Features

    1.  Works Offline
    2.  Lossless Compression
    3.  PNG Optimization
    4.  Optimization
    5.  PNG Compression
    6.  Image Processing

    PNGGauntlet VS TruePNG

     
    • PNGGauntlet is the most popular Windows alternative to TruePNG.

    • PNGGauntlet is Free and ProprietaryTruePNG is also Free and Proprietary
  5. Oxipng icon
     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.

    License model

    • FreeOpen Source

    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 TruePNG

     
  6. MAZANOKE icon
     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.

    License model

    • FreeOpen Source

    Platforms

    • Self-Hosted
    • Docker

    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 TruePNG

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

    • MAZANOKE is Free and Open SourceTruePNG is Free and Proprietary
    • MAZANOKE is Privacy focusedTruePNG is not according to our users
  7. OptiPNG icon
     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.

    License model

    • FreeOpen Source

    Country of Origin

    • RO flagRomania
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    OptiPNG Features

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

    OptiPNG VS TruePNG

     
  8. Copy a direct link to this comment to your clipboard

    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.

    License model

    • FreeProprietary

    Platforms

    • Windows

    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 TruePNG

     
  9. Clop icon
     1 like
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    Clipboard optimizer for macOS.

    26 Clop alternatives

    License model

    • FreemiumOpen Source

    Application type

    Country of Origin

    • International

    Platforms

    • Mac

    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 TruePNG

     
  10.  Curtail icon
     6 likes
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    Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .

    License model

    • FreeOpen Source

    Platforms

    • Linux
    • Flatpak
    • Flathub
    • GNOME

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  No registration required
    2.  No Tracking
    3.  Ad-free

    Curtail VS TruePNG

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

    License model

    • FreeOpen Source

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux

    pngquant Features

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

    pngquant VS TruePNG

     
  12. Minuimus icon
     5 likes
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    Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.

    License model

    • FreeOpen Source

    Platforms

    • Windows
    • Linux

    Minuimus Features

    1.  PDF compression
    2.  Image Processing
    3.  Lossless Compression
    4.  PNG Compression
    5.  PNG Optimization
    6.  Batch processing

    Minuimus VS TruePNG

     
12 of 35 TruePNG alternatives