PDF 轉 JPG
將 PDF 頁面算繪為高畫質 JPEG 圖片。
About PDF to JPG
How PDF to JPG Conversion Works
The tool renders each PDF page at your chosen DPI, then saves it as a JPEG image. One page gives you one JPG file. Multiple pages get bundled into a ZIP. You control the resolution (72, 150, 200, or 300 DPI) and the JPEG quality level.
Everything runs in your browser. No upload, no account. The rendered images download straight to your device.
When You Need PDF Pages as JPGs
JPG is the universal image format. If something accepts images, it accepts JPG.
Slide Decks & Presentations
Pull a chart or diagram from a PDF report and drop it into a PowerPoint slide. JPG works everywhere presentations do.
Social Media & Web
Blog posts, social media, and web articles need images, not PDFs. Convert the pages you need and upload them directly.
Quick Sharing
Not everyone can open a PDF easily. Send a JPG instead — it previews in email, messaging apps, and chat.
Mobile Viewing
JPGs display instantly on any phone without a PDF reader. Good for sharing individual pages with people who don’t have Acrobat.
Choosing the Right DPI and Quality
72 DPI matches screen resolution — good for web use and quick previews. 150 DPI is a solid middle ground for documents you might print on a home printer. 300 DPI gives you print-quality output suitable for professional use.
JPEG quality goes from 0.6 to 1.0. At 1.0, the image is nearly lossless but larger. At 0.6, the file is small but you’ll see compression artifacts on text and sharp edges. For most uses, 0.85–0.92 hits the sweet spot.
How It Compares
| 功能特色 | OxygenPDF | Adobe Acrobat | iLovePDF |
|---|---|---|---|
| DPI control (72–300) | |||
| JPEG quality slider | |||
| Page range selection | |||
| Batch conversion | Paid | ||
| No file upload required | Desktop only | ||
| Free to use | Limited |
Your PDF Stays on Your Device
The rendering happens entirely in your browser using the same PDF engine that powers Firefox’s built-in PDF viewer. Your file never touches a server. Close the tab and the data is gone.
PDF 轉 JPG: 常見問題
關於此工具及其運作方式的常見問題。
Pro
$9 單次付費