Free
Free
Open-source library distributed at no charge; Observable hosts related tooling separately.
- Access
- Open-source library distributed at no charge; Observable hosts related tooling separately.
D3.js
● Identity checkedAssistant · Vendor site 2026-10-04
It provides scales, shapes, layouts, geographic projections, and interaction helpers so developers bind data to DOM or SVG elements with fine-grained control.
- Category
- Assistant
- Free access
- Open-source library distributed at no charge; Observable hosts related tooling separately.
- API access
- Not confirmed
Is D3.js right for you?
A good fit for
Front-end developers and data visualization engineers building custom charts and interactive graphics on the web.
Before you choose
Prices and plan limits were not confirmed from the vendor; check their site before buying.
Data-driven documents
D3’s site positions the library as the JavaScript toolkit for bespoke, data-bound visualizations on the web.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Visualization scope | Site describes selections, scales, shapes, layouts, and map projections for custom visualizations. | Facts sourced | 2026-10-04 |
| Maintainer | Homepage presents D3 as maintained by Observable with links to examples and documentation. | Facts sourced | 2026-10-04 |
Understand the total cost
D3.js pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is D3.js used for?
It provides scales, shapes, layouts, geographic projections, and interaction helpers so developers bind data to DOM or SVG elements with fine-grained control.
Does D3.js have a free plan?
Open-source library distributed at no charge; Observable hosts related tooling separately.. This record lists ongoing free access; check the plan limits before starting.
How much does D3.js cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use D3.js through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Prices and plan limits were not confirmed from the vendor; check their site before buying.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.