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Puppeteer has no documented built-in screenshot option that disables animations. Before calling page.screenshot(), either emulate the page’s reduced-motion preference, inject CSS that suppresses CSS motion, or use the Web Animations API to control active animations. The right choice depends on whether you want to test the site’s accessibility behavior or simply capture a stable frame.
Choose the right way to stop motion
| What you need | Approach | Important limitation |
|---|---|---|
| Test how the site responds to reduced-motion preferences | Emulate prefers-reduced-motion: reduce |
The page must implement a response to that preference. |
| Suppress CSS transitions and animations in one capture | Inject a temporary CSS override | This does not stop JavaScript from changing the DOM or styles. |
| Move finite active animations to their end state | Use document.getAnimations() and guarded finish() calls |
Infinite animations and some playback states can throw; the final state may not be the one you want. |
Puppeteer’s documented capture method is page.screenshot(). The current API reference search result identifies Puppeteer 25.12.0, but check the documentation for the version installed in your project before relying on version-specific APIs: Puppeteer screenshot options.
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Emulate reduced motion
Use media emulation when you want the page to behave as it would for a visitor whose operating-system preference requests reduced motion. This changes the media feature exposed to the page; it does not independently switch off every animation.
await page.emulateMediaFeatures([
{ name: 'prefers-reduced-motion', value: 'reduce' },
]);
await page.screenshot({ path: 'capture.png' });The site needs CSS or JavaScript that responds to prefers-reduced-motion. For example, its stylesheet might reduce or remove motion inside a matching media query. Puppeteer documents this media feature in its media emulation API. Because that URL is for the next documentation, verify availability against your installed release.
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Suppress CSS animations and transitions for one capture
When the goal is a steady screenshot rather than testing reduced-motion behavior, inject a style element before capture. This disables CSS animations and transitions and makes smooth scrolling behave instantly:
await page.evaluate(() => {
const style = document.createElement('style');
style.dataset.screenshotMotionOverride = 'true';
style.textContent = `
*, *::before, *::after {
animation: none !important;
transition: none !important;
scroll-behavior: auto !important;
}
`;
document.head.append(style);
});
await page.screenshot({ path: 'capture.png' });The !important declarations help override ordinary author styles. This is a page-side CSS change made with page.evaluate(), not a Puppeteer screenshot option. It does not freeze application code that keeps updating inline styles, replacing elements, or changing content. Inspect the target page if motion or layout changes continue after the override.
Finish or inspect active Web Animations
document.getAnimations() returns active CSS animations, CSS transitions, and Web Animations. To seek animations to their end state, call finish() with error handling before the screenshot:
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await page.evaluate(() => {
for (const animation of document.getAnimations()) {
try {
animation.finish();
} catch {
// Infinite animations and other invalid finish states need a separate policy.
}
}
});
await page.screenshot({ path: 'capture.png' });finish() seeks an animation to the end in its playback direction. It can throw when an animation has an infinite end time or a playback rate of zero. For a looping animation, decide whether to cancel it, suppress it with CSS, or set a specific visual state instead of blindly finishing every animation.
Put the preparation before the screenshot
-
Navigate to the page and wait until it is ready for your capture. Puppeteer’s screenshots guide describes preparing the page and then calling
Page.screenshot(): Screenshots guide. -
Choose reduced-motion emulation if you are testing the site’s response to that preference; choose the CSS override for a capture that should omit CSS motion; or use the Web Animations API when you need to control animation objects.
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-
Apply the chosen setting or override before taking the screenshot. If the result still changes, check for JavaScript-driven updates or other page behavior that CSS animation rules do not control.
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Call
page.screenshot()with your desired output options, such aspath. Confirm the available options against the Puppeteer version in your project.
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The reduced-motion code runs but animations still play
Emulation only changes the preference the page sees. Confirm that the page actually has CSS or JavaScript that responds to prefers-reduced-motion: reduce. If you need to suppress CSS motion regardless of site support, use the injected override instead.
The CSS override does not make the screenshot stable
The override targets CSS animations and transitions, not JavaScript timers, application state changes, or scripts that rewrite styles and content. Determine whether the page is changing through application code; CSS alone cannot freeze those updates.
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animation.finish() throws
An animation may have an infinite end time or an invalid playback state, such as a playback rate of zero. Catch errors per animation and choose a separate policy for looping or otherwise unfinishable animations rather than assuming every animation has a finite end.
The capture still shows an unwanted final state
Finishing an animation seeks to its end, which may not match the desired frame. Use CSS suppression or deliberately set the page to the state you need before capturing.
A screenshot option or media-emulation method is unavailable
Check the Puppeteer package version and consult documentation for that release. The media-emulation example is from the next documentation, and screenshot options can differ across versions.
Frequently Asked Questions
Does Puppeteer support animations: 'disabled' in screenshot options?
The documented screenshot options do not include a built-in animation-disable switch. Prepare the page before calling page.screenshot().
Does document.getAnimations() include CSS transitions?
Yes. It includes CSS animations, CSS transitions, and Web Animations.
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