PDF转JPG

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Convert PDF pages to JPG images

PDF工具

如何使用 PDF转JPG

  1. 1上传PDF
  2. 2调整比例/质量滑块
  3. 3点击转换为JPG
  4. 4单独或一次性下载所有页面

关于 PDF转JPG

PDF转JPG使用PDF.js将PDF的每一页渲染为JPG图像。调整比例以控制分辨率。单独或一次性下载所有页面。没有任何内容被上传。

PDF转JPG的主要功能

  • 快速准确的Pdf To Jpg处理
  • 无需安装——在浏览器中工作
  • 免费无限制
  • 隐私保护——数据永不离开浏览器
  • 移动和桌面兼容
  • 即时结果带实时预览
  • No watermarks on converted images
  • No page limit — handles multi-page PDFs of any length

支持的格式

输入格式

PDF (text-based or scanned, any version)

输出格式

JPG / JPEG (one image per page)

Output resolution scales with the scale slider. Use 2× for standard quality and 3× for print-ready output. Higher scale increases file size.

示例

Convert a presentation PDF to slide images

Extract each slide of a PDF presentation as a high-quality JPG for use in other tools.

输入

10-page presentation PDF at 2× scale

输出

10 individual high-resolution JPG images

Generate a thumbnail preview of the first page

Convert only the first page of a PDF to a JPG for use as a document preview image.

输入

PDF at 1× scale

输出

Single JPG image of the first page

常见使用场景

  • 专业Pdf To Jpg任务
  • 快速日常计算
  • 教育目的和学习
  • 商业和工作场所生产力
  • 个人项目和爱好
  • Preparing PDF content for platforms that accept only image uploads

故障排除

意外结果

解决方案

检查输入格式并确保所有必填字段正确填写。

工具不工作

解决方案

清除浏览器缓存并刷新。确保启用 JavaScript。

Conversion fails or freezes on a large PDF

解决方案

Very large or complex PDFs may approach browser memory limits. Try closing other browser tabs to free memory and retry.

常见问题

图像的分辨率是多少？

比例滑块控制分辨率。2×可为大多数用途提供高质量图像。

我的PDF会被上传吗？

不会。PDF.js在您的浏览器中本地渲染页面。

Can I convert only specific pages?

Currently all pages are converted at once. After conversion, download only the individual page images you need. Future updates may add a page-range selector.

Does it work on scanned PDFs?

Yes. Scanned PDFs are image-based documents — PDF.js renders the embedded scan images exactly like any other page. The output JPG is a direct render of the scanned page at the selected scale.

What scale value should I use?

Use 1× for quick previews, 2× for standard high-quality output (recommended for most uses), and 3× for print-ready or large-format images. Keep in mind that 3× scale produces significantly larger file sizes.

Can I download all pages at once?

Yes. After conversion completes, a Download All button allows you to save every page image with a single click. Individual pages can also be downloaded separately using their own download buttons.

Will text remain readable in the output JPG?

At 2× scale, standard body text is clearly readable in most PDFs. For PDFs with very small text — such as footnotes or captions — use 3× scale to ensure legibility.

Can I convert a password-protected PDF?

No. PDF.js cannot render a locked PDF. Use the Unlock PDF tool to remove the password first, then convert the unlocked file to JPG.