SnapGene and SnapGene Viewer can import DNA sequences, sequence traces, and assemblies contained within project files (.spf) created by Sequencher. Sequencher projects are imported as SnapGene Collections.
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A Sequencher project containing annotated sequences, and an individual sequence viewed within Sequencher as an overview and at the nucleotide level:


The same Sequencher project and sequence when viewed with SnapGene in “Map view”, and in “Sequence view”:


A Sequencher project containing de novo assemblies and an assembly overview when viewed within Sequencher:

The same Sequencher project and assembly overview when viewed within SnapGene:

A Sequencher Map to Reference assembly project when viewed within Sequencher:

The same Sequencher Map to Reference assembly when viewed within SnapGene:

Try it yourself. Download the free SnapGene Viewer:
If you have trouble opening a Sequencher file with SnapGene or SnapGene Viewer, please send us a message and attach the file.