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Website Image & Media Crawler — Bulk Image & Asset Scraper 🖼️

Extract every image, video and audio file from a website. This image scraper / media extractor crawls an entire site and pulls out all media assets — together with alt text, dimensions, the source page and file type. Point it at one URL and it inventories the media across thousands of pages automatically. No login, no headless browser.

Need to scrape all images from a website, build an image dataset for AI, run an image SEO / alt-text audit, or inventory media before a migration? This actor delivers the full list of asset URLs and metadata.

✨ Key features

• 🕷️ Full-site crawl — start from one URL and follow internal links across the whole domain.
• 🖼️ Every media type — <img>, srcset, <picture>, lazy-loaded data-src, CSS background images, <video> + posters, <audio>, plus og:image, twitter:image and favicons.
• 🔗 Absolute, de-duplicated URLs — clean asset URLs ready to download or analyze.
• 🏷️ Rich metadata — alt text, title, width/height, loading attribute and where each asset was found.
• ⚡ Fast & cheap — pure HTTP, no browser, high concurrency.

💡 Use cases

• AI / ML training datasets — collect large image sets with their alt-text captions for multimodal models.
• Image SEO audits — find images missing alt text at scale and improve accessibility & rankings.
• Asset inventories & migrations — list every media file on a site before a redesign or platform move.
• E-commerce & competitor research — pull product imagery across a whole catalog.
• Bulk image download lists — generate a clean URL list to fetch images in bulk.

📦 What you get

One row per media asset:

Example output

{
"pageUrl":"https://shop.example.com/product/123",
"mediaUrl":"https://shop.example.com/img/123-main.jpg",
"mediaType":"image",
"foundIn":"img",
"fileExtension":"jpg",
"alt":"Blue running shoe, side view",
"width":"800",
"height":"800",
"crawledAt":"2026-05-25T14:15:28.001Z"
}

🚀 How to use it

1. Click Try for free / Start.
2. Paste one or more website URLs into Start URLs.
3. (Optional) Set Max pages to crawl — 0 for the whole site.
4. (Optional) Toggle which media to include: images, video, audio, CSS backgrounds.
5. Click Save & Start.
6. Export the asset list as JSON, CSV, Excel or via API.

⚙️ Input

Example input

{
"startUrls":[{"url":"https://example.com"}],
"maxPagesToCrawl":2000,
"includeImages":true
}

🔍 How it works

The crawler follows internal links within the same domain as your Start URLs. On each page it extracts media from <img> (including srcset and data-src), <picture>, inline CSS backgrounds, <video>/<audio> and their <source> children, plus og:image, twitter:image and favicons. All URLs are resolved to absolute and de-duplicated per page. Pure HTTP — fast and inexpensive.

🧰 Tips & best practices

• Set maxPagesToCrawl to 0 to inventory an entire catalog or media library.
• Filter by mediaType or fileExtension after the run to get exactly the assets you need.
• Use imagesMissingAlt-style filtering: rows where alt is empty are your image-SEO fixes.
• To download the files, feed the mediaUrl list into a bulk downloader.

❓ FAQ

Does it download the image files? No — it extracts asset URLs and metadata. You can download them from the mediaUrl list afterwards with any bulk downloader.

Does it capture lazy-loaded images? Yes — it reads data-src, srcset and <picture> sources in addition to plain src.

Does it render JavaScript? No — it parses server-rendered HTML for speed and low cost.

How do I crawl the whole site? Set maxPagesToCrawl to 0.

What formats can I export? JSON, CSV, Excel, HTML and a full REST API.

How do I scrape all images from a website without an API?

Just paste a URL — this is a no-API, no-login bulk image scraper. It parses server-rendered HTML directly, so you do not need any website image API or credentials to extract every asset URL.

How do I export website images to CSV or JSON?

Every run produces one row per asset, which you download as CSV, JSON or Excel from the dataset, or pull via the REST API. This makes it a simple website media data export for image datasets.

Can I build an image dataset for AI from a website?

Yes — the bulk media URL extractor collects every image with its alt text and dimensions, giving you captioned image-text pairs ready for AI / ML training datasets.

🔗 Related actors by the same author

• Website to Markdown & Text Crawler — clean text + Markdown for AI / RAG.
• Website SEO Audit Crawler — on-page SEO audit including image alt coverage.
• Broken Link Checker — find dead links across a whole site.
• Sitemap to URL Crawler — extract all URLs from any sitemap.xml.

📝 Changelog

2026-06-15

• Reliability pass: re-verified end-to-end on live data with real-world inputs. Routine maintenance build.

2026-06-07

• Docs: added coverage for scraping all images from a website without an API, exporting website images to CSV/JSON, and building an AI image dataset.

2026-06-05

• 🛡️ Reliability fix: results are no longer dropped by strict output validation — runs now complete cleanly even at high volume (thousands of results).
• ⚡ Stability & performance hardening; fresh rebuild.

2026-06-04

• Verified live & refreshed build — reliability/maintenance pass.