CDT to EPUB Converter

CDT to EPUB — free online e-book conversion tool

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Zero Installs

CDT to EPUB preserves the essential content of your CorelDRAW template — the output is ready for immediate use.

Cross-Platform

Cross-platform compatibility means you can convert CDT files on any operating system, any device.

Safe Conversion

Your data stays safe. Convertio deletes CDT source files after conversion and removes results within 24 hours.

How to convert CDT to EPUB

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose epub or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your epub file right afterwards

About formats

CDT (CorelDRAW Template) is a template file format used by CorelDRAW, Corel Corporation's vector graphics editor available since January 1989. A CDT file is structurally identical to a standard CDR document — sharing the same RIFF-based container, vector object types, color definitions, and page layout capabilities — but is designated as a reusable starting point for new designs rather than a finished artwork file. When opened in CorelDRAW, a CDT creates a new untitled document pre-populated with the template's content, leaving the original template unchanged for repeated use. This workflow mirrors the template model found in office productivity suites, adapted for graphic design. CDT files commonly contain pre-built layouts for business cards, brochures, letterheads, certificates, posters, and other standardized print materials, complete with placeholder text, guide lines, bleed areas, and properly configured color spaces for print output. One advantage is workflow consistency — design teams can distribute branded templates ensuring every new document starts with correct dimensions, margins, fonts, and color palettes aligned to corporate identity standards. The format also saves significant setup time: rather than configuring document properties and recreating layout elements from scratch, designers begin with a production-ready foundation. Corel ships hundreds of CDT templates with CorelDRAW installations, and the format is supported across CorelDRAW versions with the same compatibility considerations as CDR.
Developer: Corel Corporation
Initial release: 1989
EPUB (Electronic Publication) is an open ebook standard originally developed by the International Digital Publishing Forum (IDPF) and now maintained by the W3C following the organizations' merger in 2017. The first version carrying the EPUB name was approved in October 2007 as a successor to the Open eBook Publication Structure (OEBPS). An EPUB file is essentially a ZIP archive containing XHTML or HTML5 content documents, CSS stylesheets, images, fonts, and metadata organized according to the Open Packaging Format and Open Container Format specifications. The current major version, EPUB 3, supports reflowable and fixed-layout content, embedded multimedia, JavaScript interactivity, MathML equations, and rich accessibility features including semantic markup and media overlays for synchronized text and audio. A defining advantage is universal device support — unlike proprietary formats, EPUB works natively on virtually every non-Kindle e-reader, tablet, and reading application, from Apple Books and Google Play Books to Kobo and dozens of third-party apps. The reflowable text model is another core strength, automatically adapting pagination, font size, and margins to match any screen dimension and user preference. EPUB's open specification and active W3C stewardship ensure long-term preservation and vendor independence, making it the de facto standard for digital publishing across libraries, academic institutions, and commercial retailers worldwide.
Initial release: October 2007

Frequently Asked Questions

Why convert CDT to EPUB?

CDT files are CorelDRAW-only. Converting to EPUB creates an e-book that readers can access on any compatible device.

How do I open an EPUB file?

EPUB files open in Apple Books, Calibre, Kobo readers, Google Play Books, and most e-reader applications.

Is the conversion process secure?

Your files stay private. CDT uploads are deleted after processing, and converted files are purged within 24 hours.

Can I use this converter on a phone?

Yes. Convertio runs in any mobile browser — upload your CDT file, convert, and download without installing an app.

Will my design look different after conversion?

The output stays true to the original CDT template. Minor differences may occur due to format capability differences.

Can I batch convert CDT files to EPUB?

Yes — upload multiple CDT files at once and Convertio will process them all in a single session.