Free online science and maths tools

Shows cut sites of restriction enzymes laid out along a DNA sequence.

Summarises which restriction enzymes cut a sequence and how many times.

Converts a pasted DNA sequence into its reverse, complement or reverse complement.

Back-translates a protein sequence into a DNA sequence using a codon usage table.

Randomly reorders the bases of a DNA sequence while keeping the composition.

Breaks a multi-record FASTA file into its separate sequences.

Rewrites a three-letter amino acid sequence as one-letter codes.

Displays a DNA sequence with its amino acid translation written under the codons.

Game of Life simulator running with WebAssembly, with pattern drawing and adjustable speed.

Logic gate simulator with drag-and-drop gates and wires built in React.

Collection of ONNX models, such as image classifiers and detectors, that run in the page through ONNX Runtime Web.

Builds waveforms from harmonics and shows the series approximation to a drawn shape.

Generates an arithmetic sequence from a start value, step and length.

Creates a list of numbers in a range with a chosen step.

Draws random numbers in a range you set.