---
name: "gt-convertseq"
section: "1"
platform: "linux"
package: "genometools"
version: "1.6.5+ds-2.2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/gt-convertseq"
---

# gt-convertseq(1)

Parse and convert sequence file formats (FASTA/FASTQ, GenBank, EMBL).

## NAME

gt-convertseq - Parse and convert sequence file formats (FASTA/FASTQ, GenBank, EMBL).

## SYNOPSIS

**gt convertseq** \[options\] file \[...\]

## DESCRIPTION

- **-v** \[*yes\|no*\]

  be verbose (default: no)

- **-r** \[*yes\|no*\]

  reverse complement sequences (default: no)

- **-showfilelengthvalues** \[*yes\|no*\]

  show filelengths (default: no)

- **-noseq** \[*yes\|no*\]

  do not show sequences (default: no)

- **-fastawidth** \[*value*\]

  FASTA output line width, 0 for unlimited (default: 60)

- **-contractdnawc** \[*yes\|no*\]

  replace stretches of DNA wildcards with a single *N* (default: no)

- **-contractproteinwc** \[*yes\|no*\]

  replace stretches of protein wildcards with a single *X* (default: no)

- **-o** \[*filename*\]

  redirect output to specified file (default: undefined)

- **-gzip** \[*yes\|no*\]

  write gzip compressed output file (default: no)

- **-bzip2** \[*yes\|no*\]

  write bzip2 compressed output file (default: no)

- **-force** \[*yes\|no*\]

  force writing to output file (default: no)

- **-help**

  display help and exit

- **-version**

  display version information and exit

## REPORTING BUGS

Report bugs to https://github.com/genometools/genometools/issues.