什么是CDR?CorelDRAW文件格式解析

CDR是CorelDRAW的专有矢量图形格式,1989年首次发布,用于插图和设计。

免费在线文件转换工具。在 Windows、macOS、Linux、Android 和 iOS 上的 Chrome、Firefox、Safari、Edge、Opera 及其他现代浏览器中运行。无需安装软件或注册。所有转换都直接在您的浏览器中进行,因此您的文件不会离开您的设备。免费使用,无需账户。

Image

什么是CDR?CorelDRAW文件格式解析

Corel的专有本地矢量图形格式,用于CorelDRAW插图套件。

最后更新:

Year1989
TypeVector (proprietary)
UsageCorelDRAW design files

What is it?

CDR is the proprietary native file format of CorelDRAW, the vector graphics editor developed by Corel Corporation and first released in 1989. It stores vector illustrations including lines, curves, shapes, text, color and layout information for editing within the CorelDRAW suite.

The internal structure of CDR has changed across versions. Early releases used a private binary layout, while from CorelDRAW 3 the file adopted a RIFF container identified by a 'RIFF' signature. From version X4 onward a CDR file is a ZIP archive containing XML files and RIFF-structured data, though the core graphics chunk remains a proprietary, undocumented Corel format.

Technical Specifications

DeveloperCorel Corporation
File Extension.cdr
MIME Typeapplication/vnd.corel-draw
Released1989
TypeProprietary vector graphics

Pros & Cons

Advantages

完全的CorelDRAW保真度

As the native format, CDR preserves all editable CorelDRAW data including layers, effects, styles and precise vector geometry.

可缩放的矢量输出

CDR stores artwork as vectors, so designs can be resized to any dimension without loss of quality.

丰富的设计功能集

The format retains advanced illustration features used in signmaking, print and engraving workflows that flat exports may discard.

版本化容器结构

Modern CDR files use RIFF and ZIP containers, bundling artwork, XML metadata and resources in a single document.

Disadvantages

专有且未记录

Corel has never published an official specification, so the core data chunk must be reverse-engineered by third-party tools.

有限的互操作性

Many applications cannot reliably open CDR, and import support in tools like Inkscape or Illustrator can be incomplete or version-dependent.

版本兼容性问题

Newer CDR versions are not always readable by older CorelDRAW releases or other software.

When to Use It

CDR is used wherever CorelDRAW is the primary design tool, especially in production art.

签名和印刷制作

CDR is widely used in signmaking, large-format printing and prepress where CorelDRAW is a common production tool.

乙烯基切割和雕刻

Vector CDR paths drive cutting plotters, laser engravers and CNC workflows that need precise outlines.

标志和插图设计

Designers store editable logos, illustrations and layouts as CDR to keep all CorelDRAW editing capabilities.

How to open a CDR file

CDR files, native to CorelDRAW, can be opened and edited using a variety of software tools that cater to different user needs. Professional applications like CorelDRAW itself are ideal for designers requiring extensive editing capabilities, while free and open-source options serve casual users or those on a budget. Browser-based tools offer convenience for quick edits without installation, and built-in viewers can provide basic access without full editing features.

When choosing software for CDR files, key factors include feature fidelity, as some tools may not fully support all CorelDRAW features. Users should consider whether they need advanced editing or just viewing capabilities, alongside the cost model that fits their budget. Platform compatibility is also crucial, especially for users on different operating systems, and understanding export needs can help determine if converting to another format is necessary.

CorelDRAW 2023

Windows, macOSSubscription / One-time purchase

CorelDRAW is the flagship application for creating and editing CDR files, offering full compatibility and extensive design tools. It allows users to manipulate vector graphics, text, and images with high fidelity, ensuring that all features of the CDR format are accessible.

主要功能
  • Advanced vector editing tools
  • Text manipulation and typography features
  • Support for layers and masks
  • Color management for print and web
  • Integration with other Corel products
优点
  • Complete feature set for CDR editing
  • High fidelity with native CDR files
  • Regular updates and support from Corel
局限
  • Higher cost compared to alternatives
  • Steeper learning curve for beginners

可导出为: PDF, JPG, PNG, SVG, EPS

适合: CorelDRAW is the best choice for professionals needing comprehensive editing capabilities for CDR files.

访问 CorelDRAW →

Inkscape 1.2.2

Windows, macOS, LinuxFree (GPL)

Inkscape is a powerful open-source vector graphics editor that can import and export CDR files, although with some limitations in fidelity. It is suitable for users who need basic editing capabilities without the cost of commercial software.

主要功能
  • Basic vector editing and drawing tools
  • Support for layers and groups
  • Text editing and formatting options
  • Import and export of various formats
  • Extensions for additional functionality
优点
  • Completely free and open-source
  • Cross-platform availability
  • Active community and extensive resources
局限
  • Limited fidelity with complex CDR files
  • Occasional compatibility issues

可导出为: SVG, PDF, PNG, EPS, DXF

适合: Inkscape is ideal for users looking for a free alternative to edit CDR files with basic features.

访问 Inkscape →

CDR Viewer 1.0

WindowsFree

CDR Viewer is a lightweight application designed specifically for viewing CDR files without editing capabilities. It allows users to open and inspect CDR files quickly, making it suitable for those who only need to view designs.

主要功能
  • Fast loading of CDR files
  • Zoom and pan functionalities
  • Basic file information display
  • Print functionality for viewed files
  • No installation required (portable version available)
优点
  • Extremely lightweight and fast
  • Simple interface for quick viewing
  • No cost or installation hassle
局限
  • No editing capabilities
  • Limited to viewing only

可导出为: None

适合: CDR Viewer is perfect for users who only need to view CDR files without any editing features.

访问 CDR Viewer →

Gravit Designer 2023

All (browser, Windows, macOS, Linux)Free / Paid

Gravit Designer is a versatile vector design application that supports CDR files through import, allowing users to edit them with a modern interface. While it offers a range of design tools, some advanced features may require a paid subscription.

主要功能
  • Vector editing and drawing tools
  • Cloud-based file storage options
  • Text and typography controls
  • Support for layers and symbols
  • Export to multiple file formats
优点
  • Cross-platform accessibility
  • User-friendly interface
  • Cloud integration for easy access
局限
  • Limited features in the free version
  • Import fidelity may vary

可导出为: PDF, JPG, PNG, SVG, EPS

适合: Gravit Designer is suitable for users who want a modern design tool with CDR file support and cloud features.

访问 Gravit Designer →

Convert CDR Files Free

Use our free online converter to convert CDR and other formats - no signup, no watermarks.

Try Image Converter Free

References

  1. CorelDRAW - Wikipedia
  2. CDR-specification (reverse-engineered) - photopea/GitHub