What image formats are supported?

Supported formats include JPG, JPEG, PNG, WebP, GIF, BMP, and TIFF. All images are converted to PDF pages while preserving their original quality.

Will the image quality be preserved in the PDF?

Yes. Images are embedded in the PDF at their original resolution. No quality degradation occurs during the conversion process.

Can I set the PDF page size?

Yes, you can choose standard page sizes (A4, Letter, etc.) or have each image fill its own page at its original dimensions.

Is there a limit to how many images I can convert?

No artificial limit. You can convert as many images as your device memory supports — typically dozens or even hundreds of images.

转换画幅图层总萃 to PDF 云台联通赋能应用公益纯零耗支出享用

处理方式与隐私

What is Image to PDF Converter?

Image to PDF Converter is a free online tool to process your files securely in your browser. Our tool ensures your data remains private while delivering fast results. No installation or registration is required.

该工具利用先进的 Web 技术完全在您的设备上运行。这意味着您的文件绝不会上传到我们的服务器。

Need to combine your new PDF with existing documents? Combine multiple PDFs with Merge PDF →

Want a smaller PDF file size? Compress image files first →

Need to encrypt or secure your converted PDF? Protect your PDF with a password →

Need to extract pictures back out from a PDF? 从 PDF 中提取图像 →

主要特点

多图像支持

Combine unlimited images into a single PDF document

Drag & Drop Reorder

Arrange page order by dragging image thumbnails before converting

自定义页面尺寸

Choose A4, US Letter, or fit-to-image page sizing

原装品质

Images embedded at full resolution — no quality loss

基于浏览器

无需上传——所有处理都在本地进行

无水印

输出 PDF 完全干净，没有添加品牌

工作原理

1
上传图片
Click the upload area or drag and drop JPG, PNG, WebP, or other image files
2
Arrange Order
拖动图像缩略图以设置最终 PDF 中的页面顺序
3
Choose Settings
Set page size (A4, Letter, or image size) and orientation
4
转换 & 收归下载
Click "Convert to PDF" to generate and download your PDF file instantly.

常见应用场景

▸将手机扫描的文档转换为单个 PDF 以通过电子邮件发送
▸从多个图像创建 PDF 相册或作品集
▸Combining multiple screenshots into a single report document
▸将作业照片作为单个 PDF 文件提交
▸将产品图像转换为 PDF 目录
▸将 JPG 扫描的物理文档存档为 PDF 格式

支持的格式

JPGJPEGPNGWebPGIFBMPTIFF

隐私与安全

Image to PDF conversion is entirely browser-based. Your image files are processed locally on your device using JavaScript. No files are transmitted to or stored on our servers.

💡 实用技巧

▸对于扫描文档，请使用 150 DPI 或更高 DPI 的 JPG 图像以获得可读文本
▸上传前按文件名对图像进行排序以节省重新排序时间
▸Use A4 page size for standard documents and reports
▸For photo books, use "Fit to Image" mode to preserve each photo's original aspect ratio.

常见问题解答

关于 Image to PDF Converter 的常见问题解答。

Upload all your images, arrange them in the desired order by dragging thumbnails, then click "Convert to PDF". All images become pages in a single PDF file.

支持的格式包括 JPG、JPEG、PNG、WebP、GIF、BMP 和 TIFF。所有图像都转换为 PDF 页面，同时保留其原始质量.

是的。图像以其原始分辨率嵌入到 PDF 中。转换过程中不会出现质量下降.

是的，您可以选择标准页面尺寸（A4、Letter 等）或让每个图像以其原始尺寸填充自己的页面.

No. All conversion happens in your browser. Your image files never leave your device.

After creating the PDF, use our Protect PDF tool to add a password and restrict access