SeaMonster Alternatives

SeaMonster is described as 'Net based application that does Content-Aware Image Resizing just like Photoshop CS4' and is an app in the photos & graphics category. There are more than 25 alternatives to SeaMonster for a variety of platforms, including Windows, Mac, Linux, Web-based and Windows Mobile apps. The best SeaMonster alternative is Caesium Image Compressor, which is both free and Open Source. Other great apps like SeaMonster are XnConvert, Preview, RIOT - Radical Image Optimization Tool and Imagine.

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SeaMonster alternatives page was last updated Mar 18, 2022

Caesium Image Compressor
83 likes
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.
128 Caesium Image Compressor alternatives
Cost / License
Free
Open Source (GPL-3.0)
Application types
Image Optimizer
File Compressor
Origin
Italy
EU
Platforms
Mac
Windows
Linux
Online
Is this a good alternative to SeaMonster?
Caesium Image Compressor is the most popular Web-based, Windows, Mac & Linux alternative to SeaMonster.
Caesium Image Compressor is the most popular Open Source & free alternative to SeaMonster.
Caesium Image Compressor is Free and Open SourceSeaMonster is also Free and Open Source
Caesium Image Compressor is LightweightSeaMonster is not according to our users
XnConvert
81 likes
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.
99 XnConvert alternatives
Cost / License
Free Personal
Proprietary
Application types
Image Optimizer
Image Converter
Origin
France
EU
Platforms
Mac
Windows
Linux
Is XnConvert a good alternative to SeaMonster?
Preview
123 likes
Native macOS app for viewing, annotating, and editing images and PDFs, featuring tools for cropping, rotating, resizing images, rearranging pages, full-screen viewing, markup, document merging, batch conversion, and export in multiple formats.
167 Preview alternatives
Cost / License
Free
Proprietary
Application types
PDF Reader
Image Editor
Origin
United States
Platforms
Mac
iPhone
iPad
+6
Is Preview a good alternative to SeaMonster?
Preview is the most popular iPhone & iPad alternative to SeaMonster.
Preview is Free and ProprietarySeaMonster is Free and Open Source
Preview is LightweightSeaMonster is not according to our users
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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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RIOT - Radical Image Optimization Tool
100 likes
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.
Cost / License
Free
Proprietary
Application types
Image Optimizer
File Compressor
Origin
Romania
EU
Platforms
Windows
GIMP
XnView
IrfanView
Is this a good alternative to SeaMonster?
Imagine
70 likes
Imagine is an Image & Animation Viewer for Windows with screen capture function.
109 Imagine alternatives
Cost / License
Free
Proprietary
Application types
Image Editor
Image Viewer
Origin
South Korea
Platforms
Windows
Windows Mobile
Is Imagine a good alternative to SeaMonster?
Universal Viewer
24 likes
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
170 Universal Viewer alternatives
Cost / License
Freemium (Pay once)
Proprietary
Application types
PDF Reader
Image Viewer
Origin
Russia
Alerts
Discontinued
Platforms
Windows
+4
Is Universal Viewer a good alternative to SeaMonster?
PNGGauntlet
32 likes
-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.
Cost / License
Free
Proprietary
Application types
Image Optimizer
File Compressor
Origin
United States
Platforms
Windows
Is PNGGauntlet a good alternative to SeaMonster?
Image Tuner
20 likes
Image Tuner is a free batch image resizing, renaming, conversion and watermarking software with a super-intuitive and straightforward interface.
Cost / License
Pay once
Proprietary
Application types
Image Optimizer
Image Converter
Origin
Russia
Platforms
Windows
+1
Is Image Tuner a good alternative to SeaMonster?
Image Tuner is the most popular commercial alternative to SeaMonster.
Image Tuner is Paid and ProprietarySeaMonster is Free and Open Source
Light Image Resizer
17 likes
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 devices like iPad and iPhone.
91 Light Image Resizer alternatives
Cost / License
Paid
Proprietary
Application type
Image Optimizer
Origin
France
EU
Platforms
Windows
+3
Is Light Image Resizer a good alternative to SeaMonster?
Oxipng
7 likes
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.
Cost / License
Free
Open Source (MIT)
Application types
Image Optimizer
File Compressor
Platforms
Mac
Windows
Linux
Squoosh
Is Oxipng a good alternative to SeaMonster?
FastStone MaxView
24 likes
FastStone MaxView is a fast, compact and innovative image viewer that supports all major graphic formats. Its intuitive layout lets you view images in a variety of ways. It even lets you view images in password-protected ZIP and RAR archive files directly and instantly, which is...
77 FastStone MaxView alternatives
Cost / License
Paid
Proprietary
Application type
Image Viewer
Origin
Canada
Platforms
Windows
Is FastStone MaxView a good alternative to SeaMonster?
AdvanceCOMP
3 likes
AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files.
Cost / License
Free
Open Source (GPL-3.0)
Application types
Image Optimizer
File Compressor
Origin
Italy
EU
Platforms
Mac
Windows
Linux
Is AdvanceCOMP a good alternative to SeaMonster?