Split Codons
How to split DNA into codons
- Paste a DNA or RNA sequence, as plain text or FASTA.
- Choose the reading frame and how many codons to put on each line.
- The codons appear separated by spaces. Copy output or Download saves the result.
Frequently asked questions
What happens to leftover bases?
Bases before the chosen frame and one or two bases left at the end that do not make a whole codon are left out.
Is my sequence uploaded?
No. Everything runs in your browser, so your sequences never leave your device.
More DNA and protein sequence tools
Reverse ComplementDNA to RNACombine FASTA SequencesSplit FASTA SequenceGenBank to FASTAEMBL to FASTAGenBank Feature ExtractorEMBL Feature ExtractorGenBank Translation ExtractorEMBL Translation ExtractorRange Extractor DNARange Extractor ProteinWindow Extractor DNAWindow Extractor ProteinFilter DNAFilter ProteinGroup DNAGroup ProteinOne-Letter to Three-Letter Amino AcidsThree-Letter to One-Letter Amino AcidsDNA StatisticsProtein StatisticsCodon UsageCpG Island FinderDNA Molecular WeightProtein Molecular WeightProtein Isoelectric PointProtein GRAVYDNA Pattern FindProtein Pattern FindFuzzy Search DNAFuzzy Search ProteinIdentity and SimilarityORF FinderTranslate DNA to ProteinReverse TranslateReverse Translate a Protein AlignmentPCR Primer StatsPCR ProductsRestriction SummaryMutate for DigestPairwise Align DNAPairwise Align ProteinPairwise Align CodonsRestriction MapTranslation MapPrimer MapColor Alignment by ConservationColor Alignment by PropertiesCodon PlotRandom DNA SequenceRandom Protein SequenceRandom Coding DNARandom DNA RegionsRandom Protein RegionsSample DNASample ProteinShuffle DNAShuffle ProteinMutate DNAMutate ProteinGenetic CodesIUPAC Codes