“data visualization”

Load CSV, GeoJSON or other geodata and explore it as layered maps with filters and time playback.

3D walk-through of the computations inside a small GPT-style language model.

Paste or upload a table and map columns to many chart types to export vector graphics.

Type source-target-amount flows and get a Sankey diagram exportable as image or SVG.

Animated step-through of bubble, selection, insertion, merge, quick, counting and radix sort.

Author and test Vega and Vega-Lite chart specifications with live rendering and examples.

Animated binary heap supporting insert, remove-min and build-heap operations.

Builds a histogram from data you enter and lets you change the bin width.

Step-by-step views of chaining and open-addressing hash tables.

Visualises priority-queue heap operations such as insert, extract and heapify.

Animated global map of wind, weather and ocean conditions.

Shows how layer normalization reshapes uniform, normal and exponential data, with a regenerate button.

Insert, delete and search a BST or AVL tree and watch each rotation animate.

Animated k-means run on a random point set, with data reset and speed control until the clusters converge.

Animated binary search tree where you insert, find and delete values.

No-code chart builder that also produces a Chart.js image URL, no login needed.

Web mind map editor with many layouts, themes and export options; interface is in Chinese.

Web environment for reading and analysing texts, with frequencies, trends and visualizations.