Seashore is a free and open-source image editor for macOS, similar to Photoshop/

GIMP GIMP ( ; GNU Image Manipulation Program) is a free and open-source raster graphics editor used for image manipulation (retouching) and image editing, free-form drawing, transcoding between different image file formats, and more specialized task ...

, with a simpler

Cocoa Cocoa may refer to: Chocolate * Chocolate * ''Theobroma cacao'', the cocoa tree * Cocoa bean, seed of ''Theobroma cacao'' * Chocolate liquor, or cocoa liquor, pure, liquid chocolate extracted from the cocoa bean, including both cocoa butter and ...

user interface. Seashore uses GIMP's native file format, XCF, and has support for a handful of other graphics file formats, including full support for TIFF, PNG,

JPEG JPEG ( ) is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted, allowing a selectable tradeoff between storage size and imag ...

, JPEG2000, and HEIC and read-only support for BMP,

PDF Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. ...

, SVG and

GIF The Graphics Interchange Format (GIF; or , see pronunciation) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on 15 June 1987. ...

. Seashore offers fewer features than Photoshop/GIMP, but is intended to be easy-to-use and to run natively on macOS. It includes layers and alpha channel support, gradients and transparency effects,

anti-aliased Anti-aliasing may refer to any of a number of techniques to combat the problems of aliasing in a sampled signal such as a digital image or digital audio recording. Specific topics in anti-aliasing include: * Anti-aliasing filter, a filter used be ...

brushes,

tablet Tablet may refer to: Medicine * Tablet (pharmacy), a mixture of pharmacological substances pressed into a small cake or bar, colloquially called a "pill" Computing * Tablet computer, a mobile computer that is primarily operated by touching the s ...

support and

plug-in Plug-in, plug in or plugin may refer to: * Plug-in (computing) is a software component that adds a specific feature to an existing computer program. ** Audio plug-in, adds audio signal processing features ** Photoshop plugin, a piece of softwar ...

filters. After several years without maintenance, development was restarted by Robert Engels in 2017 to allow it to run on newer versions of macOS. Seashore version 3.16 was released in December 2022 and is considered to be

stable A stable is a building in which livestock, especially horses, are kept. It most commonly means a building that is divided into separate stalls for individual animals and livestock. There are many different types of stables in use today; the ...

. The latest release is distributed via the Apple Mac App Store.

Features

Seashore has many of the basic features found in graphics editing software, including: * Full support for the XCF file format * Reading and writing TIFF, PNG, GIF, JPEG,

JPEG 2000 JPEG 2000 (JP2) is an image compression standard and coding system. It was developed from 1997 to 2000 by a Joint Photographic Experts Group committee chaired by Touradj Ebrahimi (later the JPEG president), with the intention of superseding the ...

and HEIC file formats * Reading BMP, PDF, SVG, PICT, and XBM file formats * Layers and layer merging effects * Text layers * Individual editing of layer channels * Transparency effects and transparency in gradients * Arbitrary selection regions (i.e. through a lasso tool) * Anti-aliased paint brushes * User defined brushes and textures * 6 gradient effects * Graphics tablet support * Plug-in filter effects * Core Image Filters * Color levels and histograms

References

External links

Download Seashore on the Mac App Store

Seashore on GitHub
* Original SourceForge site:
How to use Seashore videos
Free graphics software Free software programmed in Objective-C MacOS-only free software Raster graphics editors {{Graphics-software-stub

Features

See also

References

External links