ImageMagick is a free, open-source software suite for creating, editing, converting and manipulating images. It supports over 200 format variants, including JPEG, PNG, GIF, TIFF, WebP and AVIF. The command-line tools run single-file conversions or multi-step processing pipelines. Bindings exist for C, C++, Python, .NET and Node.js.
Quarkdown is an open-source, Markdown-based typesetting system for creating papers, presentations, knowledge bases and static websites. It offers a complete authoring experience with a reactive preview and scripting capabilities, and version 2.4 allows Markdown elements to be extended.
PixelartVillage is a free online tool that converts images into pixel art. It lets users adjust pixel size and apply palettes, including palettes imported from lospec.com. It supports image types such as png, jpg and svg, and the site states that generated images may be used for any purpose, including commercial.
SmoothDraw is a painting and free-hand drawing program for producing pictures, supporting brushes such as pen, pencil, dry media, airbrush, bristle brush and image hose, along with retouch tools and layers. Downloads are offered as SmoothDraw 4.1.4 Beta for Win 7 SP1 and Win 8/8.1/10 with .NET Framework 4.6, and SmoothDraw 4.0.5 for older Windows versions.
Pixel Snapper is a free, open-source tool for cleaning up AI-generated pixel art. It fixes blur, inconsistent pixels and off-grid pixels while preserving details such as dithering and outlines, and it can apply a pixel art color palette to the image. A paid desktop edition adds batch processing.
A web tool for making parody breaking-news images by adding a picture and headline to a headline ticker in wide, square, or portrait sizes. It is described as intended for fun, humour and parody, and users are warned to avoid unlawful or defamatory material. Generated images can be downloaded.
Geometrize is a desktop application and open source toolkit that recreates images as abstract arrangements of rectangles, triangles and ellipses. It generates thousands of random shapes and repeatedly mutates them using hillclimbing optimization, keeping only the best-fitting ones. It is available for Windows, Mac and Linux.
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Quarkdown is an open-source, Markdown-based typesetting system for creating papers, presentations, knowledge bases and static websites. It offers a complete authoring experience with a reactive preview and scripting capabilities, and version 2.4 allows Markdown elements to be extended.
PixelartVillage is a free online tool that converts images into pixel art. It lets users adjust pixel size and apply palettes, including palettes imported from lospec.com. It supports image types such as png, jpg and svg, and the site states that generated images may be used for any purpose, including commercial.
SmoothDraw is a painting and free-hand drawing program for producing pictures, supporting brushes such as pen, pencil, dry media, airbrush, bristle brush and image hose, along with retouch tools and layers. Downloads are offered as SmoothDraw 4.1.4 Beta for Win 7 SP1 and Win 8/8.1/10 with .NET Framework 4.6, and SmoothDraw 4.0.5 for older Windows versions.
Pixel Snapper is a free, open-source tool for cleaning up AI-generated pixel art. It fixes blur, inconsistent pixels and off-grid pixels while preserving details such as dithering and outlines, and it can apply a pixel art color palette to the image. A paid desktop edition adds batch processing.
A web tool for making parody breaking-news images by adding a picture and headline to a headline ticker in wide, square, or portrait sizes. It is described as intended for fun, humour and parody, and users are warned to avoid unlawful or defamatory material. Generated images can be downloaded.
Geometrize is a desktop application and open source toolkit that recreates images as abstract arrangements of rectangles, triangles and ellipses. It generates thousands of random shapes and repeatedly mutates them using hillclimbing optimization, keeping only the best-fitting ones. It is available for Windows, Mac and Linux.
