PaperFig is an AI tool for drafting scientific figures. It is a focused tool rather than a general-purpose editor, and its clearest use is for researchers with no design training trying to get a figure done without learning a design suite. One thing that stands out is that it accepts text-to-figure, sketch-to-figure, photo-to-figure and reference-to-figure inputs, plus PDFs. The free plan needs no card and includes 150 credits at signup, plus a free figure each day for the first week. It handles mechanism diagrams, workflow figures and graphical abstracts. It can also take a figure you already have and enhance it. In practice you upload a figure, a lab photo or a paragraph of your paper, add a short brief, and refine the draft that comes back. It is mostly used for manuscript figures and graphical abstracts, with grant diagrams and lab-meeting slides close behind. One caution: results are starting drafts, so check every detail before using one in a paper.
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