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This logo image consists only of simple geometric shapes or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain . Although it is free of copyright restrictions, this image may still be subject to other restrictions .
A graphical abstract (or visual abstract [1]) is a graphical or visual equivalent of a written abstract. [2] [3] Graphical abstracts are a single image and are designed to help the reader to quickly gain an overview on a scholarly paper, research article, thesis or review: and to quickly ascertain the purpose and results of a given research, as well as the salient details of authors and journal.
Some web apps offer free PDF editing and annotation tools. The Free Software Foundation was "developing a free, high-quality and fully functional set of libraries and programs that implement the PDF file format and associated technologies to the ISO 32000 standard", as one of its high priority projects .
Freeware PDF reader, tagger, editor (simple editions) and converter (free for non-commercial uses). Allows edit of text, draw lines, highlighting of Text, measuring distance. Solid PDF Tools: Proprietary: Convert PDFs into editable documents and create PDFs from a variety of file sources.
PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF)—unofficially, the initials PNG stood for the recursive acronym "PNG's not GIF". [ 6 ] PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without an alpha channel for transparency), and ...
This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.
Retouch is an AI-driven image editing feature for adding, removing, or enhancing elements in photos. [25] Upscaler improves image resolution up to 4K, refining details without introducing blurring or pixelation. [26] Background Remover automatically removes image backgrounds, producing transparent PNG files for further customization. [27]
English Wikipedia allows non-free images to be uploaded under fair use doctrine if there is no possibility that a free image exists or will be created (think: portraits of dead people, long-past events, etc). If so, please follow the non-free content guidelines, and upload it locally to English Wikipedia only (not Wikimedia Commons).
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