Scientific converter tools

Scientific matrices, biological sequences and genomic annotations.

33 available tools

Find your next conversion

33 tools

HDF5 dataset to JSON

Select one numeric HDF5 dataset and export its values locally.

HDF5 dataset to CSV

Select one numeric HDF5 dataset and export its values locally.

Numeric data to HDF5

Create a single selected HDF5 dataset from a numeric matrix or an exported JSON envelope.

Inspect FASTA sequences

Summarize FASTA record lengths and sequence symbol counts locally.

FASTA to CSV

Export FASTA identifiers, descriptions and sequence strings to CSV.

FASTA to JSON

Export FASTA identifiers, descriptions and sequence strings to JSON.

FASTA DNA reverse complement

Reverse complement IUPAC DNA sequences in a FASTA file while retaining their headers.

Inspect FASTQ reads and quality

Inspect FASTQ read lengths and explicit Phred+33 quality statistics in your browser.

FASTQ to FASTA

Extract FASTQ read headers and sequences as FASTA, discarding quality scores.

FASTQ to CSV

Export FASTQ headers, sequences and original quality strings to CSV.

FASTQ to JSON

Export FASTQ headers, sequences and original quality strings to JSON.

BED intervals to CSV

Export BED intervals as CSV while retaining the source coordinate convention and raw annotation fields.

BED intervals to JSON

Export BED intervals as JSON while retaining the source coordinate convention and raw annotation fields.

GFF3 features to CSV

Export GFF3 features as CSV while retaining the source coordinate convention and raw annotation fields.

GFF3 features to JSON

Export GFF3 features as JSON while retaining the source coordinate convention and raw annotation fields.

GTF gene annotations to CSV

Export GTF gene annotations as CSV while retaining the source coordinate convention and raw annotation fields.

GTF gene annotations to JSON

Export GTF gene annotations as JSON while retaining the source coordinate convention and raw annotation fields.

Genomic VCF variants to CSV

Export Genomic VCF variants as CSV while retaining the source coordinate convention and raw annotation fields.

Genomic VCF variants to JSON

Export Genomic VCF variants as JSON while retaining the source coordinate convention and raw annotation fields.

Inspect genomic VCF variants

List a genomic VCF file’s version, sample names, variant counts and chromosome counts locally.

Inspect Matrix Market matrix

Inspect Matrix Market sparse coordinates and dimensions locally.

Matrix Market to CSV

Export Matrix Market sparse data as CSV with explicit shape and precision limits.

Matrix Market to JSON

Export Matrix Market sparse data as JSON with explicit shape and precision limits.

Inspect NumPy NPY matrix

Inspect NumPy NPY shape, numeric dtype and storage order locally.

NumPy NPY to CSV

Export NumPy numeric arrays as CSV with explicit shape and precision limits.

NumPy NPY to JSON

Export NumPy numeric arrays as JSON with explicit shape and precision limits.

Numeric CSV to Matrix Market

Turn a headerless numeric CSV matrix into sparse Matrix Market coordinate data, omitting zero entries.

Inspect HDF5 scientific file

List datasets, dimensions and datatypes in HDF5, Loom, MuData and HDF5-based NetCDF4 files.

Inspect AnnData H5AD

Inspect AnnData groups and datasets, including expression matrices, cell observations and gene variables.

H5AD matrix to JSON

Export an AnnData matrix as JSON, preserving dense values or sparse CSR and CSC indices and pointers.

H5AD matrix to CSV

Export a selected AnnData expression matrix as dense CSV, expanding sparse CSR or CSC storage locally.

H5AD cell annotations to CSV

Export AnnData cell observations to CSV, decoding categorical annotations and preserving cell index labels.

H5AD gene annotations to CSV

Export AnnData gene variables to CSV, decoding categorical annotations and preserving gene index labels.

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These tools process files in your browser. Conversion engines are downloaded when needed, and each tool explains what it can preserve and what may change.

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Read and write support can differ. Open a tool to see the accepted inputs, output format and available options before adding your files.

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