AnnotationSketch online demo

Use this form to upload a GFF3 annotation file (up to 2MB) which is then drawn using an AnnotationSketch-based Ruby script and output to your browser. Some basic options, such as displayed sequence region and range, or the generated image width, can be set. For more options, the stand-alone gt sketch tool can be used.

Annotation file:	Example file Custom file:
Sequence region:
	(leave blank to use first sequence region in file)
Range to display:	bp – bp
	(leave blank to show complete sequence region)
Image width:	pixels