CDT is legacy and read-only here
CDT is an older vector format. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new CDT files.
Looking to convert BMP to CDT? Here's the honest answer — and what works instead.
Turn your file into a share-worthy AI Effect — one tap, no prompts.
BMP is an uncompressed raster format that stores pixel data with no quality loss, producing large files. It is common on Windows.
BMP opens in most image viewers and editors on Windows and Mac.
Not here — CDT is a legacy format with no modern encoder. We can often read CDT as a source, but for output use a current format like PNG, JPG or TIFF.
BMP converts to PNG, JPG or TIFF — free, no sign-up, no watermark.