skills/skills.volces.com/web-to-markdown

web-to-markdown

SKILL.md

Web to Markdown

概述 / Overview

通用网页抓取工具,支持: A general-purpose web scraping tool that supports:

  • 将网页内容转换为干净的 Markdown / Converting web content to clean Markdown
  • 从任意网站提取图片 URL / Extracting image URLs from any website
  • 批量下载网页图片 / Batch downloading images from web pages

适用于内容阅读、图片收集、资料整理等场景。 Suitable for content reading, image collection, and data organization.

功能模块 / Features

1. 网页转 Markdown / Web to Markdown

将网页 URL 转换为干净的 Markdown 文本,移除广告、导航栏等无关内容。 Converts a web page URL into clean Markdown text, removing ads, navigation bars, and other irrelevant content.

URL 前缀服务 / URL Prefix Services:

服务 Service 前缀 Prefix 特点 Notes
markdown.new https://markdown.new/ 首选,速度快 / Preferred, fast
defuddle https://defuddle.md/ 备选 / Fallback
r.jina.ai https://r.jina.ai/ 适合动态内容 / Good for dynamic content

使用 / Usage:

curl -s "https://markdown.new/https://example.com/article"
curl -s "https://r.jina.ai/https://example.com/article"

2. 提取网页图片 / Extract Images from Web Pages

从任意网页提取所有图片 URL。 Extracts all image URLs from any web page.

通用提取 / General Extraction:

# 提取所有图片 URL / Extract all image URLs
curl -s "https://r.jina.ai/<url>" | grep -oE 'https://[^)\s"]+\.(jpg|jpeg|png|gif|webp|avif)'

使用脚本 / Using the Script:

python scripts/extract_images.py <url> [--output urls.txt]

3. 批量下载图片 / Batch Download Images

从网页提取图片并批量下载到本地。 Extracts images from web pages and downloads them in batch to local storage.

使用脚本 / Using the Script:

python scripts/download_images.py <url> [--output <dir>] [--limit <n>] [--min-size <bytes>]

参数 / Parameters:

  • url: 网页 URL / Web page URL
  • --output: 输出目录(默认 ~/.openclaw/images)/ Output directory (default: ~/.openclaw/images)
  • --limit: 最大下载数(默认 50)/ Max downloads (default: 50)
  • --min-size: 最小文件大小,过滤小图标(默认 10KB)/ Min file size to filter out small icons (default: 10KB)
  • --ext: 只下载指定格式(jpg/png/gif/webp)/ Only download specific formats (jpg/png/gif/webp)

示例 / Examples:

# 下载网页中的所有大图 / Download all large images from a page
python scripts/download_images.py "https://example.com/gallery" --output ~/Downloads/images

# 只下载 PNG,最多 20 张 / Download only PNGs, max 20
python scripts/download_images.py "https://example.com" --ext png --limit 20

# Pinterest(自动转换原始尺寸)/ Pinterest (auto-converts to original size)
python scripts/download_images.py "https://www.pinterest.com/search/pins/?q=architecture"

工作流程 / Workflow

网页内容抓取 / Web Content Scraping

  1. 首选 markdown.new/ / Prefer markdown.new/
  2. 失败则尝试 defuddle.md/ / Fall back to defuddle.md/
  3. 再失败尝试 r.jina.ai/ / Then try r.jina.ai/
  4. 最终使用本地 Scrapling 脚本 / Finally use local Scrapling script

图片提取下载 / Image Extraction & Download

  1. 使用 r.jina.ai 获取网页内容 / Use r.jina.ai to fetch page content
  2. 正则提取所有图片 URL / Extract all image URLs via regex
  3. 过滤小图片(图标、表情等)/ Filter out small images (icons, emojis, etc.)
  4. 智能命名并下载保存 / Smart naming and download

特殊网站支持 / Special Website Support

Pinterest

自动识别 Pinterest URL,将缩略图转换为原始尺寸: Automatically detects Pinterest URLs and converts thumbnails to original size:

  • 236xoriginals
  • 564xoriginals

其他常见网站 / Other Common Websites

脚本会自动处理各种网站的图片 URL 格式,包括: The scripts automatically handle various image URL formats, including:

  • CDN 链接 / CDN links
  • 带参数的 URL / URLs with query parameters
  • 懒加载图片 / Lazy-loaded images

脚本说明 / Script Reference

scripts/scrape.py

本地网页抓取脚本,作为在线服务的降级方案。 Local web scraping script, used as a fallback for online services.

python scripts/scrape.py <url>

scripts/extract_images.py

提取网页中的图片 URL,输出为列表。 Extracts image URLs from a web page and outputs them as a list.

python scripts/extract_images.py <url> [--output urls.txt]

scripts/download_images.py

批量下载网页图片。 Batch downloads images from a web page.

python scripts/download_images.py <url> [options]

依赖 / Dependencies

extract_images.pydownload_images.py 仅使用 Python 标准库,无需额外安装。 extract_images.py and download_images.py only use the Python standard library — no extra installation needed.

scrape.py 需要安装 scrapling(本地抓取降级方案): scrape.py requires scrapling (local scraping fallback):

pip install scrapling

注意事项 / Notes

  • 遵守网站的 robots.txt 和使用条款 / Respect the website's robots.txt and terms of use
  • 大量下载前考虑网站服务器压力 / Consider server load before mass downloading
  • 部分网站有防盗链,可能无法直接下载 / Some sites have hotlink protection and may block direct downloads
  • 动态加载的图片可能需要使用 r.jina.ai / Dynamically loaded images may require r.jina.ai
Weekly Installs
4
First Seen
3 days ago
Installed on
openclaw4