EPUB to PDF API

Convert EPUB eBooks to PDF with base font size, page size, and margins for consistent, readable exports and print‑ready output.

eBooks Tools

EPUB to PDF API Overview

Convert EPUB eBooks to PDF for easy distribution and printing. Customize base font size, select page size, and set precise margins to match your brand or print requirements. Ideal for generating consistent, accessible documents without an e‑reader.

Lightning Fast Conversions

Process and convert files in seconds with our high-performance cloud infrastructure.

Accuracy Guaranteed

Our advanced algorithms ensure pixel-perfect and content-accurate file conversions.

Enterprise-Grade Security

ISO 27001, HIPAA, and GDPR compliant with encrypted file processing.

Global Infrastructure

Strategically located servers ensure low latency and high availability worldwide.

Developer Friendly

Comprehensive SDKs and clear documentation for quick and simple integration.

Time-Saving Automation

Automate repetitive document workflows and focus on what matters most.

Customizable Parameters

Fine-tune your automation with these powerful conversion options

File

File Supported formats: .epub

File to be converted. Value can be URL or file content.

BaseFontSize

Double Default: 12

Base font size in points (pt). All text is scaled relative to this value.

Range:   1 .. 50

PageSize

Collection Default: letter

PDF page size.

Values:   a0 a1 a2 a3 a4 a5 a6 b0 b1 b2 b3 b4 b5 b6 letter legal

MarginLeft

Double Default: 40

Sets the left margin in points (pt) for text on the PDF page.

Range:   0 .. 200

MarginRight

Double Default: 40

Sets the right margin in points (pt) for text on the PDF page.

Range:   0 .. 200

MarginTop

Double Default: 40

Sets the top margin in points (pt) for text on the PDF page.

Range:   0 .. 200

MarginBottom

Double Default: 40

Sets the bottom margin in points (pt) for text on the PDF page.

Range:   0 .. 200

StoreFile

Bool Default: False

When the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.

When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.

Integrate within minutes

Easy EPUB to PDF automation using our simple REST-API

Try the EPUB to PDF conversion online

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Businesses trust us

Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.

"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."

"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."

"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"

Enterprise-Grade Security

We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.

Learn more about security

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