Alternatives to SeaMonster for all platforms with any license




Indie / Classic

Other Platforms

  • Preview icon


    Preview is a simple and elegant application by Apple for viewing and working with images and PDF documents. With a single click...

    Free Mac

  • XnConvert icon


    XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more...

    Free Mac Windows Linux

  • Imagine icon


    Imagine is an Image & Animation Viewer for Windows with screen capture function. Features - View and save image/animation...

    Free Windows Windows Mobile

  • PNGGauntlet icon


    -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF...

    Free Windows

  • Caesium icon


    Caesium features: - Resize your pictures up to 90% preserving the file format. The software use an intelligent file compressing...

    Open Source Windows

  • NexusImage icon


    NexusImage is a simple image viewer program. supported formats: JPEG, Bitmap, GIF, PNG, TIFF, ICO, WMF, EMF

    Free Windows

  • Image Tuner icon

    Image Tuner

    Image Tuner is a free software for batch resizing, converting, watermarking and renaming your digital photos and images from more than...

    Free Personal Windows

  • FastStone MaxView icon

    FastStone MaxView

    FastStone MaxView is a fast, compact and innovative image viewer that supports all major graphic formats. Its intuitive layout lets...

    Commercial Windows

  • Ralpha Image Resizer icon

    Ralpha Image Resizer

    Ralpha Image Resizer is a lightweight and portable program that can perform image operations in batch mode, such as resizing and...

    Free Windows

  • Free Opener icon

    Free Opener

    Free Opener allows users to view, edit and print many different types of files without having to download specialty software....

    Free Windows

  • Light Image Resizer icon

    Light Image Resizer

    Light Image Resizer, previously called VSO Image Resizer, is a free resize image software. With it you can create e-mail friendly...

    Free Personal Windows

  • Know any more alternatives to SeaMonster?

    Suggest an application to this list
  • Universal Viewer icon

    Universal Viewer

    Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are: Images: all major graphics...

    Freemium Windows

  • Photozoom Pro icon

    Photozoom Pro

    BenVista PhotoZoom Pro 5 is a software solution for enlarging and downsizing digital photos and graphics. PhotoZoom Pro 5 not only...

    Commercial Mac Windows

  • PNGOUTWin icon


    You can use PNGOUTWin, an easy-to-use PNG optimizer, to create smaller image files and speed up your website, reach more potential...

    Commercial Windows

  • Photo Size Optimizer icon

    Photo Size Optimizer

    A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while...

    Freemium Mac

  • FILEminimizer Pictures icon

    FILEminimizer Pictures

    FILEminimizer Pictures from balesio compresses digital images and photos with file size reductions by up to 98%. For example, a JPEG...

    Free Windows

  • Shrink O'Matic icon

    Shrink O'Matic

    Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.

    Free Mac Windows

  • Share this list of alternatives?

  • Tinuous icon


    An image converter batch-processing multiple files. JPEG lossless transformations are implemented. Options are shrink, rotation...

    Free Windows

  • ImageWell icon


    ImageWell is a small, but powerful, image editing application that lets you quickly resize, crop, watermark, edit your images, take...

    Commercial Mac

  • Picture Resizer icon

    Picture Resizer

    PhotoResize is a simple tool for very fast batch resizing of photos and pictures in JPEG format. Beyond simple options however...

    Free Windows

  • ImageSizer icon


    ImageSizer is an application built to resize, optimize and rename a batch of jpg images producing a zip file containing the images....

    Free Mac Windows Adobe AIR

  • ExifPro icon


    ExifPro is an application meant to display, manipulate and browse photographs. ExifPro can display images in different view modes....

    Commercial Windows

  • Reshade icon


    Reshade offers the highest quality photo enlargement available for your computer. Resize images without the usual blur, jagged edges...

    Free Windows

  • PictureBeaver icon


    PictureBeaver is a WSH script for batch optimization PNG/JPEG/GIF images using optipng/jpegtran/gifsicle utilities.

    Open Source Windows GitHub

  • WildBit Viewer icon

    WildBit Viewer

    WildBit Viewer is compact & fast image viewer with slide show and editor. Eye catching interface within blazing fast folder, file...

    Free Windows

  • pngCrushrrr icon

    pngCrushrrr Discontinued

    Drag your PNGs onto PNGCrushrrr and get super-optimized files ready to be emailed or posted on the web! Supports one or more files...

    Free Mac

  • Mini-Compressor icon


    Mini-Compressor is an easy to use image compression tool. Compress images by right clicking on the images or folder of images. A...

    Commercial Windows

SeaMonster Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about SeaMonster ? Just click the button up to your right!