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D3



The JavaScript library for bespoke data visualization



Create custom dynamic visualizations with unparalleled flexibility

Get started
What is D3?
Examples




SELECTIONS AND TRANSITIONS

Create, update, and animate the DOM based on data without the overhead of a
virtual DOM.


SCALES AND AXES

Encode abstract data into visual values such as position, size, and color.
Explain position encodings with axes.


SHAPES

Render arcs, areas, curves, lines, links, pies, stacks, symbols… and any
geometric primitive you might need to visualize data.


INTERACTIONS

Facilitate exploration with reusable interactive behaviors, including panning,
zooming, brushing, and dragging.


LAYOUTS

Treemaps, trees, force-directed graphs, Voronoi, contours, chords,
circle-packing… a library of layout algorithms at the ready.


GEOGRAPHIC MAPS

More spherical projections than you can shake a stick at, with arbitrary
aspects, adaptive sampling, and flexible clipping.


… AND MUCH MORE!

CSV parsing, localized date parsing and formatting, color spaces, calendar math,
statistics, and can I stop listing features now?


POWERING OBSERVABLE PLOT

The D3 team also builds Observable Plot, a high-level API for quick charts built
on top of D3.

Try Observable Plot


BUILT BY OBSERVABLE

D3 is developed by Observable, the platform for collaborative data analysis.

Visit Observable


BUILD YOUR BEST WORK WITH D3 ON OBSERVABLE

The only data workflow platform capable of supporting the full power of D3
Connect to your data instantlyPull live data from the cloud, files, and
databases into one secure place — without installing anything, ever.
Code faster than you thought possibleGet everything you need and none of what
you don’t with lightweight automatic versioning, instant sharing, and real-time
multiplayer editing.
Accelerate your team’s analysisCreate a home for your team’s data analysis where
you can spin up charts, maps, and data apps to explore, analyze, and iterate on
together.
Build with D3 on Observable →
The JavaScript library for bespoke data visualization
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© 2024 Mike Bostock and Observable, Inc. ISC License