Image Convert Ninja AlternativesImage Optimizers & Image Converters like Image Convert Ninja

Image Convert Ninja is described as 'Powerful and intuitive online tool for viewing, resizing, cropping, and converting images. It supports all major formats, including AVIF, WebP, HEIC/HEIF, TIFF, and 32-bit HDR/EXR. Enjoy the unique Live Preview feature that lets you see real-time conversion results before downloading!' and is a Image Optimizer in the photos & graphics category. There are more than 50 alternatives to Image Convert Ninja, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Android apps. The best Image Convert Ninja alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try nomacs or Image Toolbox (Resizer). Other great sites and apps similar to Image Convert Ninja are XnView MP, FastStone Image Viewer, XnView Classic and PicView.

Image Convert Ninja iconImage Convert Ninja
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  • ...

Powerful and intuitive online tool for viewing, resizing, cropping, and converting images. It supports all major formats,...

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Image Convert Ninja alternatives page was last updated Feb 2, 2025
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  1. IrfanView icon

    IrfanView

     974 likes
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    Compact and efficient image application offering viewing, editing, and conversion with batch processing, multi-language support, plugin extensibility, and ad-free operation suitable for Windows and portable use.

    149 IrfanView alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • BA flagBosnia & Herzegovina

    Platforms

    • Windows
    • PortableApps.com
    IrfanView screenshot 1

    Properties

    1.  Lightweight
    2.  Intuitive Interface
    3.  Customizable

    Features

    1.  Batch conversion
    2.  Image Conversion
    3.  Image Navigation
    4.  Portable
    5.  Extensible by Plugins/Extensions
    6.  Batch Rename Files
    7.  Ad-free
    8.  Command line interface
    9.  Convert images to PDF
    10.  No registration required
    11.  Works Offline
    12.  Lossless Compression

    IrfanView VS Image Convert Ninja

     

    • IrfanView is the most popular Windows alternative to Image Convert Ninja.

    • IrfanView is the most popular free alternative to Image Convert Ninja.

    • IrfanView is Free Personal and ProprietaryImage Convert Ninja is Free and Proprietary
    • IrfanView is LightweightImage Convert Ninja is not according to our users
  2. nomacs icon

    nomacs

     232 likes
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    nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.

    92 nomacs alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • FreeBSD
    • Flathub
    nomacs screenshot 1

    Properties

    1.  Lightweight
    2.  Customizable
    3.  Privacy focused

    Features

    1.  Multiplatform
    2.  Image browser
    3.  Crop images
    4.  Support for SVG
    5.  RAW Photo Editors
    6.  Ad-free
    7.  Extensible by Plugins/Extensions
    8.  Portable
    9.  Dark Mode
    10.  No registration required
    11.  Works Offline
    12.  Frameless

    nomacs VS Image Convert Ninja

     

    • nomacs is the most popular Mac & Linux alternative to Image Convert Ninja.

    • nomacs is the most popular Open Source alternative to Image Convert Ninja.

    • nomacs is Free and Open SourceImage Convert Ninja is Free and Proprietary
    • nomacs is LightweightImage Convert Ninja is not according to our users
  4. XnView MP icon

    XnView MP

     380 likes
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    Comprehensive photo management software for viewing, batch converting, editing and resizing images and creating thumbnail sheets.

    141 XnView MP alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    XnView MP screenshot 1

    Top XnView MP Features

    1.  Media library
    2.  Batch image manipulation
    3.  Batch Editing
    4.  Thumbnails
    5.  Ad-free
    6.  Sorting by tags
    7.  File Tagging
    8.  Works Offline
    9.  Portable
    10.  Batch Rename Files
    11.  Dark Mode
    12.  No Tracking

    XnView MP VS Image Convert Ninja

     
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    Screenshot
    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. Image Toolbox (Resizer) icon

    Image Toolbox (Resizer)

     52 likes
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    Image toolbox is the app which based on modern tech stack using Clean Architecture. It has features like filters applying, cropping, EXIF editing, quality and output image type picking and tons of another options.

    66 Image Toolbox (Resizer) alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Android
    • F-Droid
    Convenient UI
    Powerful Functions
    Customize Everything

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Image resizing
    2.  Crop images
    3.  Image Conversion
    4.  Image Optimizer
    5.  Works Offline
    6.  Ad-free
    7.  Image Comparison
    8.  No Tracking
    9.  No registration required
    10.  Batch Editing
    11.  Dark Mode
    12.  Remove Image Background

    Image Toolbox (Resizer) VS Image Convert Ninja

     

    • Image Toolbox (Resizer) is the most popular Android alternative to Image Convert Ninja.

    • Image Toolbox (Resizer) is Free and Open SourceImage Convert Ninja is Free and Proprietary
    • Image Toolbox (Resizer) is Privacy focusedImage Convert Ninja is not according to our users
  7. FastStone Image Viewer icon

    FastStone Image Viewer

     478 likes
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    Fast image browser and editor for Windows with robust support for browsing, editing, and conversion. Features red-eye removal, resizing, enhanced EXIF access, and musical slideshows with over 150 effects.

    127 FastStone Image Viewer alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • Windows
    FastStone Image Viewer screenshot 1

    Properties

    1.  Intuitive Interface
    2.  Lightweight

    Features

    1.  Image browser
    2.  Batch Editing
    3.  Batch conversion
    4.  Slideshow mode
    5.  Batch processing
    6.  Ad-free
    7.  Built-in Image editor
    8.  Works Offline
    9.  Portable
    10.  Support for Hotkeys
    11.  No registration required
    12.  Dark Mode

    FastStone Image Viewer VS Image Convert Ninja

     
  8. XnView Classic icon

    XnView Classic

     438 likes
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    XnView Classic is an efficient image viewer, browser and converter for Windows with built-in support for over 500 image formats.

    145 XnView Classic alternatives

    License model

    • Free Personal • Proprietary

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Windows
    • PortableApps.com
    • ReactOS
    Viewer Window (windows version)

    Properties

    1.  Lightweight

    Features

    1.  Batch Rename Files
    2.  Built-in viewer
    3.  Portable
    4.  Works Offline
    5.  No registration required
    6.  Batch Editing
    7.  RAW Photo Editors
    8.  Ad-free
    9.  Dark Mode
    10.  Extensible by Plugins/Extensions
    11.  No Tracking
    12.  Batch conversion

    XnView Classic VS Image Convert Ninja

     
  10. PicView icon

    PicView

     43 likes
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    PicView is a fast, free and fully customizable image viewer for Windows 10 and 11.

    55 PicView alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Windows
    Minimalistic dark theme

    Properties

    1.  Lightweight
    2.  Privacy focused
    3.  Customizable

    Features

    1.  Fullscreen support
    2.  Image zoom
    3.  Color Picker
    4.  Portable
    5.  Dark Mode
    6.  Lossless Compression
    7.  Multiple languages
    8.  No registration required
    9.  Ad-free
    10.  Works Offline
    11.  Hardware Accelerated
    12.  Batch Editing

    PicView VS Image Convert Ninja

     
  11. JPEGView icon

    JPEGView

     144 likes
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    Lightweight Simple Image Viewer with Slide show feature, Resize and Lossless-cut, Color correction, Rename, Multi-language and more...

    134 JPEGView alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Windows
    • PortableApps.com
    Very simple. Only a title bar other than the picture.

    Properties

    1.  Lightweight
    2.  Minimalistic
    3.  Privacy focused

    Features

    1.  Image Preview
    2.  Portable
    3.  Borderless
    4.  Play as Movie
    5.  Works Offline
    6.  No registration required
    7.  Ad-free
    8.  Batch Rename Files
    9.  Hardware Accelerated
    10.  Function Key Shortcuts
    11.  Built-in editor
    12.  Image Processing

    JPEGView VS Image Convert Ninja

     
  12. 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 Image Convert Ninja

     
  13. FileOptimizer icon

    FileOptimizer

     61 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.

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • ES flagSpain
    • European Union flagEU

    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 Image Convert Ninja

     
  14. VERT.sh icon

    VERT.sh

     8 likes
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    VERT.sh is an online file converter that processes files on your device instead of the cloud. It's blazingly fast, ad-free, and open source.

    49 VERT.sh alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    Landing page (light mode)

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  No registration required
    2.  No Tracking
    3.  Ad-free
    4.  Dark Mode
    5.  Batch Editing
    6.  Hardware Accelerated
    7.  Lossless Audio
    8.  File conversion

    VERT.sh VS Image Convert Ninja

     

    • VERT.sh is the most popular Web-based, SaaS & Self-Hosted alternative to Image Convert Ninja.

    • VERT.sh is Free and Open SourceImage Convert Ninja is Free and Proprietary
    • VERT.sh is Lightweight and Privacy focusedImage Convert Ninja is not according to our users
  15. 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 Image Convert Ninja

     
12 of 60 Image Convert Ninja alternatives