E-mage Alternatives

E-mage is described as 'From developers to developers: a cross-platform tool for losslessly image compression' and is an app. There are more than 50 alternatives to E-mage for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best E-mage alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like E-mage are OptiImage, ImageOptim, XnConvert and RIOT - Radical Image Optimization Tool.

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E-mage 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 E-mage.
E-mage iconE-mage
  10
  • Free • Open Source
  • ...

From developers to developers: a cross-platform tool for losslessly image compression.

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More about E-mage
E-mage alternatives page was last updated Mar 27, 2025
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Alternatives
  1. Caesium Image Compressor icon

    Caesium Image Compressor

     73 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.

    104 Caesium Image Compressor alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    BETA Version

    Properties

    1.  Lightweight

    Features

    1.  Image Optimizer
    2.  Batch processing
    3.  Portable
    4.  Ad-free
    5.  Drag and Drop
    6.  Works Offline
    7.  No registration required
    8.  Batch Rename Files
    9.  Dark Mode
    10.  Multiple languages

    Caesium Image Compressor VS E-mage

     

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

    • Caesium Image Compressor is the most popular Open Source & free alternative to E-mage.

    • Caesium Image Compressor is Free and Open SourceE-mage is also Free and Open Source
    • Caesium Image Compressor is LightweightE-mage 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 E-mage

     
  4. 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 E-mage

     

    • ImageOptim is the most popular SaaS alternative to E-mage.

    • ImageOptim is Free Personal and Open SourceE-mage is Free and Open Source
    • ImageOptim is LightweightE-mage is not according to our users
  5. Ad
    Screenshot
    4K Image Compressor icon
    4K Image Compressor

    4K Image Compressor makes it easy to shrink photos without losing quality. Save space, share easily on social media, and speed up your website's loading time with smaller image files.

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

    XnConvert

     75 likes
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    XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.

    88 XnConvert alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    XnConvert screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Batch processing
    2.  Image Conversion
    3.  Image Processing
    4.  Image Optimizer
    5.  Portable
    6.  Watermark images

    XnConvert VS E-mage

     
  7. 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 E-mage

     
  8. FileOptimizer icon

    FileOptimizer

     60 likes
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    FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.

    53 FileOptimizer alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Wine
    Main Window

    FileOptimizer Features

    1.  Portable
    2.  PDF compression
    3.  Lossless Compression
    4.  All in one
    5.  Drag and Drop

    FileOptimizer VS E-mage

     
  10. Squoosh icon

    Squoosh

     33 likes
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    Compress and compare images with different codecs, right in your browser.

    46 Squoosh alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    Squoosh screenshot 1

    Squoosh Features

    1.  PNG Compression
    2.  Image Comparison
    3.  Image Optimizer
    4.  Progressive Web App
    5.  Offline
    6.  Image resizing
    7.  Ad-free
    8.  No registration required
    9.  Works Offline

    Squoosh VS E-mage

     
  11. 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 E-mage

     
  12. FastStone Photo Resizer icon

    FastStone Photo Resizer

     36 likes
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    Convert and Rename images in batch mode

    Support JPEG, BMP, GIF, PNG, TIFF and JPEG2000

    Resize, crop, change color depth, apply color effects, add text, watermark and border effects

    Rename images with sequential number

    Search and replace texts in the file names

    Preview conve.

    101 FastStone Photo Resizer alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • Windows
    FastStone Photo Resizer screenshot 1

    FastStone Photo Resizer Features

    1.  Image resizing
    2.  Batch processing
    3.  Live Preview
    4.  Batch Editing
    5.  Portable
    6.  Batch Rename Files
    7.  Works Offline
    8.  Ad-free
    9.  No registration required
    10.  Watermarking

    FastStone Photo Resizer VS E-mage

     
  13. 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.

    57 PNGGauntlet alternatives

    License model

    • Free • Proprietary

    Application types

    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 E-mage

     
  14. 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 E-mage

     
  15. 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 E-mage

     

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

    • MAZANOKE is Free and Open SourceE-mage is also Free and Open Source
    • MAZANOKE is Privacy focusedE-mage is not according to our users
12 of 82 E-mage alternatives