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AB1 FASTA
File conversion

Convert AB1 to FASTA

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Is it possible to convert AB1 to FASTA?
Yes - AB1 converts to FASTA.

Most common export: extract the base-called sequence (PBAS tag) as FASTA text. Available in SnapGene Viewer (File → Export → Sequence as FASTA), Chromas (File → Save As), or via BioPython (SeqIO.read('file.ab1', 'abi') then SeqIO.write).

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Also to FASTA: GB · SEQ

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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How to convert AB1 to FASTA

Converting a .AB1 file to .FASTA lets you open the content in software that prefers the .FASTA format, though some details may change compared with the original. The programs listed below open .AB1 files and can save or export them to .FASTA (or a closely related format).

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

Programs that convert AB1

ChromasPro

About these formats

.AB1 Applied Biosystems DNA Sequencing File (ABIF)

An AB1 file is a DNA chromatogram produced by Applied Biosystems (Thermo Fisher Scientific) Sanger sequencing instruments. It stores the raw fluorescence trace, base calls, and quality…

Open .AB1 details →
.FASTA FASTA Sequence File (DNA / RNA / Protein)

A FASTA file is a plain-text file holding one or more biological sequences - DNA, RNA, or protein. Each record starts with a ">" header line followed by the sequence letters. You can open…

Open .FASTA details →