Optimus.io Alternatives

Optimus.io is described as 'Offers lossless compression of images available with a WordPress plugin and via API' and is an app in the photos & graphics category. There are more than 50 alternatives to Optimus.io for a variety of platforms, including Windows, Mac, Linux, Web-based and Wordpress apps. The best Optimus.io 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 Optimus.io are TinyPNG, PNGGauntlet, Oxipng and MAZANOKE.

Optimus.io iconOptimus.io
  12
  • Freemium • Proprietary
  • ...

optimus.io offers lossless compression of images available with a WordPress plugin and via API.

More about Optimus.io
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Optimus.io alternatives page was last updated Mar 27, 2025
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  1. ImageOptim icon

    ImageOptim

     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).

    94 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 Optimus.io

     

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

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

    • ImageOptim is Free Personal and Open SourceOptimus.io is Freemium and Proprietary
    • ImageOptim is LightweightOptimus.io 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.

    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 Optimus.io

     

    • OptiImage is the most popular Linux alternative to Optimus.io.

    • OptiImage is Free and Open SourceOptimus.io is Freemium and Proprietary
    • OptiImage is Privacy focused and LightweightOptimus.io 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.

    94 RIOT - Radical Image Optimization Tool alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • RO flagRomania
    • European Union flagEU

    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 Optimus.io

     

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

    • RIOT - Radical Image Optimization Tool is Free and ProprietaryOptimus.io is Freemium and Proprietary
    • RIOT - Radical Image Optimization Tool is LightweightOptimus.io is not according to our users
  5. Ad
    Screenshot
    ShortPixel Image Optimizer icon
    ShortPixel Image Optimizer

    ShortPixel is arguably the top WordPress image optimization plugin: simple to set up, it can automatically optimize both your old and new images, as well as PDF files.

    https://shortpixel.com
    Learn More
  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.

    93 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 Optimus.io

     

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

    • TinyPNG is Freemium and ProprietaryOptimus.io is also Freemium and Proprietary
  7. 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.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    PNGGauntlet screenshot 1

    PNGGauntlet Features

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

    PNGGauntlet VS Optimus.io

     
  8. 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.

    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 Optimus.io

     
  10. 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.

    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 Optimus.io

     

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

    • MAZANOKE is Free and Open SourceOptimus.io is Freemium and Proprietary
    • MAZANOKE is Privacy focusedOptimus.io is not according to our users
  11. 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.

    License model

    • Free • Open Source

    Application types

    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 Optimus.io

     
  12. 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.

    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 Optimus.io

     
  13. Optily icon

    Optily

     Like
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    Unlock the true potential of your Webflow sites with Optily - the ultimate time-saving solution that effortlessly optimizes your CMS images, boosting performance.

    License model

    Application type

    Platforms

    • Online
    • Webflow
    Optily screenshot 1

    Optily Features

    1.  WEBP Support
    2. Webflow icon  Webflow Integration

    Optily VS Optimus.io

     

    • Optily is the most popular commercial alternative to Optimus.io.

    • Optily is Paid and ProprietaryOptimus.io is Freemium and Proprietary
  14. Curtail icon

    Curtail

     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

    • Free • Open Source

    Application types

    Platforms

    • Linux
    • Flatpak
    • Flathub
    • GNOME
    Curtail screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

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

    Curtail VS Optimus.io

     
  15. pngquant icon

    pngquant

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

    66 pngquant alternatives

    License model

    • Free • Open Source

    Application types

    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 Optimus.io

     
12 of 50 Optimus.io alternatives