Free online science and maths tools

Cuts a DNA sequence with chosen restriction enzymes and lists the fragment sizes.

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.

Shows a live depth map of your webcam feed computed on the GPU in the browser.

Runs a fruit fly simulation in your browser using WebGPU.

Classifies webcam frames against text labels you type, using Jina CLIP on WebGPU.

Estimates depth from a single image with Depth Anything running through WebGPU.

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

Detects objects in a video stream frame by frame with a model running on WebGPU.

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

Upload an image and see detected objects outlined, computed by Transformers.js in your browser.

Finds faces and facial landmarks in anime-style images.

Shows how a street photo might look after flooding, to illustrate climate risk.

Depth-estimation demo written in Gradio-Lite that calls Transformers.js, so everything runs in the browser.

Predicts the raga of a Carnatic music clip.

Generates flood imagery on uploaded photos to make climate impacts visible.

YOLOv9 object detection through Gradio-Lite and Transformers.js, executed client-side.