Athanor by arbastro
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Supported file formats

Export (Ctrl+Shift+E) writes images (PNG, SVG, PDF, TIFF, EMF, EPS, JPEG, WMF), ChemDraw CDXML and CDX, chemistry files (MOL, SDF, SMILES, InChI, InChIKey, CML, Marvin, RXN, RDF) and computation files (XYZ, PDB, MOL2, Gaussian, ORCA).

On a Mac, Ctrl is Cmd.

Open the Export window with Ctrl+Shift+E or Main menu › File › Export…. Every format is listed on the left, and Search formats finds one.

The Export window with the format list on the left and an SVG preview of aspirin.The Export window with the format list on the left and an SVG preview of aspirin.

Group Formats
Images PNG, SVG, PDF, TIFF, EMF, EPS, JPEG, WMF
ChemDraw ChemDraw (.cdxml), CDX (.cdx)
Chemistry files MOL, SDF, SMILES (.smi), InChI (.txt), InChIKey (.txt), CML, Marvin (.mrv), RXN, RDF
Computation XYZ, PDB, MOL2, Gaussian (.gjf), ORCA (.inp)

For each format the window says what it Keeps and what it Loses. An SVG, for example, keeps every line and label as a vector shape but loses the chemistry: an illustration program sees shapes, not atoms and bonds.

Files from plugins appear under From plugins. To open files, see How to open ChemDraw files. Your own documents save as .athanor with File › Download as .athanor.

Files and formatsHow to export a figure for a journal paperPick the journal's style in Document type, then export as PDF, SVG or EPS (vector, sharp at any size) or as PNG or TIFF at the resolution the journal asks for, such as 600 dpi.Switching from ChemDrawHow to open CDX and CDXML filesPress Ctrl+O (Open a file) and choose the .cdx or .cdxml file, or drag it onto the Athanor window. Structures stay structures, so you can keep editing them.

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Last updated Nov 12, 2026