DNA Sequence Cleaner

Clean and normalize a DNA sequence.

Cleaned Sequence

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Description

The sequence cleaner removes unwanted characters from a DNA sequence — such as whitespace, numbers, FASTA headers, and non-standard bases — and optionally converts it to uppercase. Useful for preparing sequences for downstream analysis.

How to use

Paste a raw DNA sequence into the input field. Toggle the cleaning options as needed. The cleaned sequence is generated instantly. Use the copy button to copy the result.