DNA Base Counter

Count the occurrence of each nucleotide in a DNA sequence.

DNA Sequence

Base Counts

Enter a DNA sequence to count bases.

Description

The base counter tallies the number of each nucleotide (A, T, C, G) in a DNA sequence, along with any non-standard characters. This is useful for sequence quality checks and composition analysis.

How to use

Paste or type a DNA sequence into the input field. The counts of A, T, C, G, and other characters are displayed instantly with percentages.