Browser-based sequence conversion

Convert GenBank files locally

Create common sequence and annotation formats directly in your browser. Your data is never uploaded or stored.

1

Choose a GenBank file

Drop a .gb, .gbk, .gbff, or .genbank file here.

2

Choose your outputs

Select one or several formats to generate.

Private by design

This is a static web application. Files are read with the browser File API and processed in memory; no sequence data is transmitted or stored.