Sequence Format Converter
Convert biological sequence files between supported formats. Choose input and output formats and download the new file.
How can I convert FASTQ to FASTA?
Choose FASTQ input and FASTA output, then paste or open sequence records. FASTA preserves identifiers and sequences while omitting the per-base quality scores found in FASTQ.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use Sequence Format Converter
Choose your input and review the processing notice.
Send the job to the isolated processing service.
Review the result and download your export.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. When you run the tool, your input goes to a separate processing service. Temporary files are deleted when the job ends. You can download the result to your device.
What are the limits and details?
This is a research formatting utility, not clinical interpretation. FASTA and GenBank inputs cannot generate missing FASTQ quality scores. Quality scores are discarded in FASTA exports.
Limits: one file up to 8 MB; 500,000 characters per text field. One job runs at a time on the worker, with a two-minute limit.