FQTOOLS fqtools is a package that provides tools for efficient FASTQ files manipulation. For now, the following programs are available: fqconvert (convert quality scores), fqduplicate (duplicate entries finder), fqextract (entries extractor), fqquality (quality based filter), fqseqname (list entries names), fqseqpair (list pair names), fqstats (show statistics). Any remark/suggestion/problem should be reported to the current author and maintainer: Nicolas Joly .