免费在线 JPG 转 PDF。数秒内将图片合并为可打印 PDF — 无需注册。浏览器私密转换，支持 A4/Letter 页面尺寸与边距，文件不会上传到服务器。
需要无需安装软件即可快速将 JPG 转为 PDF？本工具适用于作业、客户文档、收据、截图和报告。上传单张或多张 JPG，选择页面尺寸和边距，控制图片适应方式，下载整洁的 PDF — 全部在浏览器中完成。
JPG to PDF
JPG/JPEG images are converted into structured PDF pages so your file order and layout remain stable for sharing and printing.
Why use this JPG-to-PDF tool?
It is fast, browser-based, and gives practical controls for page layout, margins, orientation, and merged output.
使用方法 — 将 JPG 转为 PDF
Upload your JPG files, set layout options, preview the order, and download your final PDF.
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Step 1
Upload one or multiple JPG/JPEG images.
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Step 2
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Step 3
Convert and download your PDF file.
Is this JPG to PDF converter free?
Yes, it is free and works directly in your browser.
Can I merge multiple JPG images?
Yes, merge mode combines uploaded images into one PDF.
Can I control page size and margins?
Yes, you can set page size, orientation, and margin values before conversion.
Can I reorder images before conversion?
Yes, you can arrange image order to control final PDF page sequence.
Are files uploaded to a server?
No. Processing is done in your browser for privacy.
Key features
Everything needed for reliable JPG-to-PDF conversion.
- Single and batch JPG conversion
- Merge all images into one PDF
- A4, Letter, Legal, and custom page sizes
- Portrait and landscape orientation
- Margin and image fit controls
- One-PDF-per-image option
- Image reordering before conversion
- Fast browser-based processing
- No registration required
- High compatibility PDF output
- Privacy-focused local conversion
- Simple workflow for sharing and printing
Common use cases
Useful for work, school, and everyday document tasks.
- Create one PDF from multiple screenshots
- Send image assignments as a single file
- Prepare printable photo pages
- Convert scanned images to PDF documents
- Build portfolio or report attachments
- Archive image sets in ordered pages
- Share client image drafts in one document
- Organize receipts and records in PDF format
Why convert JPG to PDF instead of sharing images?
PDF keeps page order and formatting stable, making files easier to review, print, and store than loose image attachments.
Tips for better output
Use these settings to improve your final PDF quality.
- Use contain mode to avoid image cropping.
- Adjust margins for cleaner print layout.
- Set page size based on your final use (screen or print).
- Reorder images before conversion to save editing time.
- Use merge mode for one final document.
- Use one-per-image mode for separate delivery files.
- Preview ordering and settings before downloading.
Convert JPG to PDF quickly
Create clean, shareable PDF files from JPG images in a few clicks.
No installation, no account, and browser-based privacy by default.
Related image and PDF tools
还可试用 免费在线 PNG 转 PDF、免费在线 HEIC 转 PDF、免费在线合并 PDF 或转换后使用 免费在线压缩 PDF。
