欢迎使用智能文件转换平台

上传文件开始转换，支持本地文件上传或远程链接导入

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}

输出格式：

已上传 ${items.length} 个文件

Convert

如何将Pdf文件转换为DNG？

点击「选择PDF文件」按钮上传您的源文件
点击「立即转换」启动智能转码流程
状态显示「转换完成」后，点击「下载DNG」获取文件

全场景PDF to DNG格式兼容转换

本工具支持将多种类型的 Pdf 转换为 DNG。可将 DOCX, DOC, RTF, ODT, TXT, MD, WPS, WPD, PAGES, XLSX 转换为 DNG。

行业领先的Pdf格式转换专家

智能优化算法保障Pdf转换质量，支持批量处理与自定义分辨率/码率/帧率设置

零成本·军工级安全

基于浏览器即点即用，采用金融级256位SSL加密传输，所有文件72分钟后自动焚毁

What is a PDF file?

PDF (Portable Document Format) is a file format developed by Adobe Systems for saving and transmitting documents, preserving the original formatting across different platforms. PDF files support text, images, links, form fields, video, and audio elements, making them suitable for e-books, reports, contracts, and various types of documents. Compared to traditional document formats, PDF offers better cross-platform compatibility and security, ensuring consistent viewing and printing on any device.

How to open and edit a PDF file?

PDF files can be opened and edited using various tools. The most popular choices include: - PDF readers: [Adobe Acrobat Reader](https://get.adobe.com/reader/) (officially recommended, supported on multiple operating systems), [Foxit Reader](https://www.foxitsoftware.com/pdf-reader/) (lightweight and feature-rich) - Online tools: [Smallpdf](https://smallpdf.com/), [ILovePDF](https://www.ilovepdf.com/) (online conversion and editing tools) Regardless of the tool you choose, the process is straightforward: simply double-click the file or right-click and select 'Open'. If you need to convert a PDF file to another format, many tools provide powerful conversion features, such as converting PDFs to DOCX, JPEG, etc., through Smallpdf or ILovePDF. Additionally, some tools offer editing capabilities like adding annotations, filling out forms, and signing PDFs. For PDF files containing sensitive information, ensure you use encryption features to protect the file. Steps are as follows: 1. Use a tool that supports encryption (such as Adobe Acrobat Pro or Foxit PhantomPDF). 2. Open the file and select 'File' > 'Protect' > 'Encrypt'. 3. Set a password and choose encryption options.

开发团队： Adobe Systems
首发时间： 1993
相关链接：

https://en.wikipedia.org/wiki/PDF

https://www.adobe.com/pdf

https://www.smallpdf.com/

https://www.ilovepdf.com/

What is a DNG file?

DNG (Digital Negative) is a raw image format standard developed by Adobe, aiming to provide a unified, open, and long-term preservation format for RAW images. It has been adopted by multiple camera manufacturers and is widely used in professional photography. Compared to traditional proprietary RAW formats, DNG offers higher compatibility and better long-term preservation. DNG files support lossless compression and embedded metadata, ensuring image quality and integrity. They also support various color depths (such as 12-bit or 14-bit), making them suitable for high-quality image processing. Recommended editors include [Adobe Lightroom](https://www.adobe.com/products/photoshop-lightroom.html) and [Adobe Camera Raw](https://helpx.adobe.com/camera-raw/using/introduction-camera-raw.html), which provide powerful image processing tools and full support for DNG files. DNG is the preferred format for many camera manufacturers and photographers due to its superior image quality, broad compatibility, and long-term preservation advantages.

How to open and edit a DNG file?

To view and edit DNG files, you can use the following tools: - Viewers and Editors: [Adobe Lightroom](https://www.adobe.com/products/photoshop-lightroom.html), the officially recommended tool, providing full DNG file functionality and the best editing experience. - Free Alternatives: [RawTherapee](https://rawtherapee.com/), an open-source RAW image editor that supports most DNG file features, suitable for users on a budget. - Conversion Tools: [ImageMagick](https://imagemagick.org/) (cross-platform), which can convert DNG files to other common image formats such as JPEG or TIFF for use in various applications. Regardless of the tool you choose, the process is straightforward: simply double-click the file or right-click and select 'Open'. If you need to convert a DNG file to another format, many tools provide powerful conversion features, such as using ImageMagick for format conversion. Note that some advanced features (such as complex color adjustments) may not be fully supported in non-official tools. For DNG files containing sensitive information, ensure you use encryption features to protect the file. Steps are as follows: 1. Use a tool that supports encryption (such as Adobe Lightroom or a dedicated image editor). 2. Open the file and select 'File' > 'Save As' > 'Save as JPEG or TIFF'. 3. In the export settings, choose 'Security', set a password, and select encryption options.

https://en.wikipedia.org/wiki/Digital_Negative

https://helpx.adobe.com/camera-raw/using/introduction-camera-raw.html

https://rawtherapee.com/

https://imagemagick.org/script/formats.php