To turn a long HTML page into JPEG tiles, render it in a real browser, capture either the whole page or defined page regions, then crop or assemble the returned image buffer. In Playwright, page.screenshot({ type: 'jpeg', fullPage: true, quality: 80 }) produces one full-page JPEG—not a set of fixed-size tiles. This guide shows both approaches and how to choose between them.
What “full page” capture does—and does not—mean
A browser automation library first renders the HTML, including its layout and visual state, and then captures pixels. The result reflects the rendered page, not a direct conversion of the HTML source code. Playwright’s fullPage: true captures the scrollable page as one tall image. To deliver separate tiles, you must capture page rectangles individually or crop a full-page image after capture.
The official documentation describes full-page capture and buffer output, but does not define a standard tile size, overlap, stitching order, seam treatment, or universal maximum image dimensions. Choose those details for your output requirements and validate them with your browser and image-processing stack.
Capture a full-page JPEG with Playwright
This Node.js example loads an HTML file, waits for page content to settle, captures one full-page JPEG into a buffer, and writes it to disk. Playwright documents page.setContent, the screenshot options, and buffer output for post-processing. See the Playwright Page API and Playwright screenshots guide.
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import { chromium } from 'playwright';
import { readFile, writeFile } from 'node:fs/promises';
const html = await readFile('page.html', 'utf8');
const browser = await chromium.launch();
try {
const page = await browser.newPage({ viewport: { width: 1280, height: 900 } });
await page.setContent(html, { waitUntil: 'networkidle' });
const jpeg = await page.screenshot({
type: 'jpeg',
fullPage: true,
quality: 80,
scale: 'css'
});
await writeFile('page.jpg', jpeg);
} finally {
await browser.close();
}For a live page, replace page.setContent with await page.goto('https://example.com', { waitUntil: 'networkidle' }). For production use, handle navigation errors and ensure the page is in the intended state before capturing; network idle is not a guarantee that every application-specific animation or delayed widget has finished.
Relevant Playwright options
fullPage: truecaptures the full scrollable page in one image.type: 'jpeg'selects JPEG output. Playwright also documents PNG and WebP.qualitysets JPEG quality from 0 to 100; the documented default is 80. Higher quality can increase output size.scale: 'css'keeps output at CSS-pixel dimensions.scale: 'device'uses device pixels and may create a larger image.clipcan be used when you want a defined rectangle instead of the whole page.
JPEG does not support transparency; Playwright’s omitBackground option description notes this limitation. If transparent output matters, choose a supported format such as PNG instead.
Make separate JPEG tiles
There are two practical strategies. Capturing rectangles directly avoids first creating one very tall intermediate image. Capturing once and cropping afterward can simplify consistency, but requires the full-page buffer to be produced successfully. Neither approach has a universally documented safe dimension limit; test representative pages in your actual environment.
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Option 1: capture page regions with clips
For predictable content with known dimensions, capture consecutive rectangles using clip. The coordinates are page pixels in the browser’s screenshot coordinate system, so ensure your tile dimensions and scale choice agree. This example captures two adjacent 1,200-pixel-high regions from a page known to be at least 2,400 pixels tall:
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import { writeFile } from 'node:fs/promises';
const browser = await chromium.launch();
try {
const page = await browser.newPage({ viewport: { width: 1200, height: 900 } });
await page.goto('https://example.com', { waitUntil: 'networkidle' });
for (let i = 0; i < 2; i++) {
const jpeg = await page.screenshot({
type: 'jpeg',
quality: 80,
scale: 'css',
clip: { x: 0, y: i * 1200, width: 1200, height: 1200 }
});
await writeFile(`tile-${i + 1}.jpg`, jpeg);
}
} finally {
await browser.close();
}This fixed example assumes the page is tall enough and that its content is ready. For a general implementation, derive the page height, calculate the number of tiles, and make the final clip no taller than the remaining content. If the page has lazy-loaded images, scroll through it or otherwise trigger loading before taking region captures; validate that content is present in each tile.
Option 2: crop a full-page buffer
Capture a full-page buffer as shown above, then pass it to an image-processing library that supports JPEG cropping. Set the crop rectangles to the desired tile width and height, and account for the actual captured image dimensions. A CSS-pixel coordinate may not equal an output-image pixel when using device scale, so inspect the buffer dimensions rather than assuming a one-to-one mapping.
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If adjacent tiles must join into a continuous image, define a consistent order and coordinate system, and consider a small overlap to make seam checks easier. Overlap and seam handling are implementation choices, not prescribed by the browser screenshot APIs. Verify alignment on pages with sticky headers, animations, and content that changes during capture.
Choose between Playwright and Puppeteer
| Need | Playwright | Puppeteer |
|---|---|---|
| Full-page capture | Documented with fullPage in the Page API. |
Documented in ScreenshotOptions. |
| JPEG quality and format controls | JPEG output and configurable quality from 0 to 100 are documented; the default is 80. | ScreenshotOptions documents type and quality; consult the installed version’s documentation for option behavior. |
| Defined capture area | Screenshot clipping is available. | clip and captureBeyondViewport are documented. |
| Creating tiles | Use repeated region captures or post-process the screenshot buffer. | Use the documented capture controls or post-process output; tile sizing and assembly remain application logic. |
The Puppeteer ScreenshotOptions page displayed version 25.12.0 when accessed on October 3, 2026. Check the documentation for the version actually installed before relying on a default or option combination: Puppeteer ScreenshotOptions. The cited API documentation does not establish a performance winner between Playwright and Puppeteer.
Practical checks before generating tiles
- Wait for the intended visual state. Navigation completion may not wait for application-specific rendering, transitions, or delayed content. Wait for a meaningful selector or other application-specific readiness condition when needed.
- Load lazy content. A full-page screenshot is not proof that every image below the fold was fetched. Scroll through the page or trigger its loading behavior, then confirm the captured image.
- Keep dimensions consistent. Fix the viewport, scale, tile width, and tile height for the run. Reconcile CSS coordinates with output pixels when device scale is used.
- Control dynamic content. Ads, rotating banners, timestamps, and animations can change between tile captures and create visible discontinuities. Disable or wait for changing elements when the page permits.
- Budget for image size and memory. A long full-page image can be large, and the docs do not promise a universal maximum dimension or memory bound. Test the longest expected pages and prefer region capture if a full-page buffer is too large for your environment.
- Use an appropriate format. JPEG is useful for photographic content but is lossy and has no transparency. For sharp interface text and transparent backgrounds, compare PNG output against your quality and file-size needs.
Troubleshooting
The result is one tall image, not tiles
fullPage: true requests a full-page capture; it does not split the image. Capture separate clip rectangles or crop the resulting buffer with an image library.
Lower-page images are missing
The page may lazy-load images only when they approach the viewport. Scroll through the page before capture, wait for relevant images or selectors, and verify the resulting tiles rather than assuming navigation idle loaded everything.
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Tiles do not line up
Check that every capture uses the same viewport and scale, that rectangle coordinates use the same pixel system as the image, and that the page did not shift between captures. Sticky elements and dynamic content may repeat or move at tile boundaries.
A tile is blank or clipped unexpectedly
Confirm that the requested rectangle lies within the rendered page and has positive width and height. Check whether the page finished rendering and whether a clipping or scale setting changed the coordinate interpretation.
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JPEG output has no transparent background
That is a format limitation. Use PNG if transparency is required; JPEG is not transparency-capable.
A very long capture fails
The cited browser documentation does not establish a universal maximum image dimension or a guaranteed memory-safe size. Reduce the capture area, use smaller region captures, or crop in stages, then validate against the longest pages your system must handle.
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Or skip the browser setup
ScreenshotNeo is a screenshot API and MCP server. A single request captures a URL as PNG, JPEG, WebP, or PDF. For a JPEG, use the format=jpeg parameter; consult the ScreenshotNeo API documentation for supported parameters and response behavior.
curl -G "https://api.screenshotneo.com/v1/shot"
-d access_key=YOUR_API_KEY
--data-urlencode url=https://example.com
-d format=jpeg
-o shot.jpgScreenshotNeo removes cookie banners, newsletter popups, and chat widgets before capture; bot checks, blank pages, and failed loads are never billed. Its MCP server lets AI agents take screenshots. The free plan includes 1,000 screenshots per month with no card; paid plans start at $5 for 3,000. A screenshot API returns a capture, not a set of custom-sized tiles, so crop or split its image output if your deliverable requires separate files.
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Frequently Asked Questions
Can I save the full-page capture directly as a JPEG?
Yes. In Playwright, set type: 'jpeg' in page.screenshot; set quality if you want a value other than the documented default of 80.
Does fullPage: true create fixed-size tiles?
No. It creates one full-page image. Capture page regions or crop the returned buffer to create separate tile files.
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