SnapGene® Viewer


SnapGene Viewer 2.7.1
for Mac OS X (38 MB)
SnapGene Viewer 2.7.1
for Windows (30 MB)

SnapGene vs. SnapGene Viewer

Not sure which product is right for you?
Compare the features

System Requirements
OS Windows 8, 7, Vista or XP
Mac OS X 10.7 or later
Memory1 GB RAM
Hard Disk250 MB available disk space
Display1024 x 768 or higher resolution
If you are running Mac OS X 10.5 or 10.6, click here to download SnapGene Viewer 2.6.2.

Would you like to move beyond hand-drawn plasmid maps?

SnapGene Viewer is revolutionary software that allows molecular biologists to create, browse, and share richly annotated DNA sequence files up to 1 Gb in length.


  • Create a DNA sequence file by either entering a sequence, or importing a record from GenBank, or opening an annotated sequence stored in one of many common file formats.
  • Browse or print a DNA sequence and its annotations using customizable Map, Sequence, Enzymes, Features, Primers, and History views.
  • Search a DNA sequence to match either a DNA query, or a protein translation, or an annotation.
  • View and edit DNA sequence traces.
Trace Viewer


  • Automatically annotate common features, or manually annotate coding sequences and other features.
  • Design and annotate primers for PCR, sequencing, or mutagenesis.
  • Identify open reading frames (ORFs) with a single mouse click.


  • Export a plasmid map as an image, or export an annotated DNA sequence to GenBank format.
  • Freely share data with your colleagues or customers using the universally accessible SnapGene format.

To download SnapGene Viewer, click on one of the buttons below.

SnapGene Viewer 2.7.1
for Mac OS X (38 MB)
SnapGene Viewer 2.7.1
for Windows (30 MB)

After experiencing the remarkable elegance of SnapGene Viewer, consider upgrading to SnapGene so that you can easily edit sequences and plan, visualize, and document your molecular biology procedures.

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