Alternatives to SeaMonster for all platforms with any license

Platforms

Desktop

Development

Indie / Classic

Other Platforms

  • Preview icon

    Preview

    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

    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

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

    Free Windows Windows Mobile

  • PNGGauntlet icon

    PNGGauntlet

    -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

    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

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

    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

  • 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

  • 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

  • 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

  • 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

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  • 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

  • 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

  • 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

  • PNGOUTWin icon

    PNGOUTWin

    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

  • 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

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  • Tinuous icon

    Tinuous

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

    Free Windows

  • ImageWell icon

    ImageWell

    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

  • WinLep icon

    WinLep

    WinLep is a software that compresses JPG images to LEP saving 22%. WinLep compresses JPEG and decompresses LEP, moreover it can...

    Commercial Windows

  • ImageSizer icon

    ImageSizer

    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

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

    Commercial Windows

  • Reshade icon

    Reshade

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

    Free Windows

  • PictureBeaver icon

    PictureBeaver

    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

    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

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