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GC Content Plotter

This online program plots the % GC content of a given DNA/RNA sequence.

(Use the GC Content Calculator if you just want to calculate the overall % GC content)

Enter your DNA/RNA sequence in the box below in FASTA or plaintext format:

Window size (bp):

Step size (bp):

(Increase the step size to improve performance. Decrease the step size to show more data points)

Show mean GC content (horizontal black line)

Plot Clear