Can I use SVG in email?

Some clients support it; many do not. PNG is safer for blast campaigns.

Is ChartKit free for this use?

Trials and moderate public use are fine; check terms for high-volume sending.

What about dark mode?

ChartKit renders on a light background by default; preview in dark clients.

Can I build the chart in the browser?

Yes - use the builder below, then copy URL/HTML.

Charts for email

Email clients will not run your chart.js bundle. A remote `<img>` pointing at a ChartKit PNG or SVG is the portable approach.

Why image URLs beat live charts

ESP editors want HTML they can sanitize. Images pass filters more often than script blocks.

Pick `format=png` when your tester shows SVG stripped. Keep width under ~600px for desktop preview panes.

Newsletter-specific tips: charts for newsletters.

Use cases

Executive weekly metrics blasts with one hero chart.
Lifecycle campaigns showing progress toward a usage threshold.
B2B drip sequences referencing the same cached chart URL across steps.

Examples

PNG chart tuned for 600px layouts

Replace numbers with yours; test spam placement before broadcast.

https://getchartkit.com/api/chart?type=bar&labels=Jan,Feb,Mar&s0=1200,980,1420&s0name=Revenue&title=Q1+outlook&valueFormat=compact&format=png&w=600&h=360

HTML `<img>` (many ESPs)

<img src="https://getchartkit.com/api/chart?type=bar&labels=Jan,Feb,Mar&s0=1200,980,1420&s0name=Revenue&title=Q1+outlook&valueFormat=compact&format=png&w=600&h=360" alt="Monthly revenue" width="600" height="360" />

Markdown (for MD→HTML pipelines)

![Monthly revenue](https://getchartkit.com/api/chart?type=bar&labels=Jan,Feb,Mar&s0=1200,980,1420&s0name=Revenue&title=Q1+outlook&valueFormat=compact&format=png&w=600&h=360)

Shorter bar chart (less vertical space)

https://getchartkit.com/api/chart?type=bar&labels=Mon,Tue,Wed,Thu,Fri&s0=5,8,7,9,11&s0name=Replays&format=png&w=560&h=280

Horizontal bars when mobile readers wrap text

https://getchartkit.com/api/chart?type=horizontal-bar&labels=Enterprise,SMB,Self-serve&s0=42,35,23&s0name=Mix&format=png&w=600&h=320

Compose a chart, then copy URL or `<img>`

Adjust fields and copy URL, HTML, Markdown, or an AI prompt. See the [URL parameters](/docs/url-parameters) reference if you are editing links by hand.

Chart title

Chart type

Labels (comma-separated)

Series 1 name

Series 1 values

Series 2 name (optional)

Series 2 values (optional)

Width

Height

Value format

Show legend

Format

Preview

Copy

Show snippets

URL

https://getchartkit.com/api/chart?type=bar&labels=Jan,Feb,Mar,Apr,May&s0=12000,18000,15000,22000,27000&s0name=Revenue&title=Monthly%20Revenue&w=600&h=360&valueFormat=compact&format=png

HTML

Markdown

![Monthly Revenue](https://getchartkit.com/api/chart?type=bar&labels=Jan,Feb,Mar,Apr,May&s0=12000,18000,15000,22000,27000&s0name=Revenue&title=Monthly%20Revenue&w=600&h=360&valueFormat=compact&format=png)

How it works

Build the chart, copy the absolute HTTPS URL, insert into your ESP’s HTML block as `<img src="…" width="…" height="…">`.
Send seed tests to Gmail, Outlook, and phone clients.
Track whether your ESP re-hosts images; if so, you may download ChartKit’s PNG and upload to the campaign asset library instead.

Use with ChatGPT or Claude

Ask ChatGPT or Claude for “email-safe HTML img only” so they do not embed scripts.

For blog follow-up, see charts for blog posts.

FAQ

Can I use SVG in email?: Some clients support it; many do not. PNG is safer for blast campaigns.
Do recipients need JavaScript?: No - static images only.
Is ChartKit free for this use?: Trials and moderate public use are fine; check terms for high-volume sending.
What about dark mode?: ChartKit renders on a light background by default; preview in dark clients.
Can I build the chart in the browser?: Yes - use the builder below, then copy URL/HTML.