ePub Validator
Upload a DRM-free ePub document to validate with epubcheck 3.0b5-pre. Documents will not be permanently stored in the system. We are not responsible for any confidential documents. Larger file sizes take longer to validate, so please be patient in seeing the results.
Make sure unmanifested files in your ePub book meet iBookstore requirements
Visit Unmanifested file Checking Tool for iBooks
Why validate EPUB format ebooks?
Validating EPUB format eBooks is essential to ensure they meet industry standards, function correctly across different devices, and provide a positive reading experience. Here are the key reasons why EPUB validation is crucial:
Ensures Compatibility Across Devices
EPUB files are designed to be read on various devices, including e-readers, tablets, smartphones, and computers. However, different devices and e-reading apps may interpret the content slightly differently. Validation checks ensure that your EPUB file is compatible across all major platforms, preventing issues like broken layouts, missing images, or unreadable text.
Maintains Content Integrity
Validation helps maintain the integrity of your content by identifying and fixing issues that could lead to data loss or corruption. For example, validation can catch missing or improperly referenced files (like images, fonts, or CSS files), ensuring that everything in the EPUB package is correctly linked and displayed.
Improves User Experience
An unvalidated EPUB file might contain errors that can disrupt the reading experience, such as improperly formatted text, broken links, or navigation issues. By validating the file, you ensure that readers have a smooth, error-free experience, which can lead to higher satisfaction and better reviews.
Compliance with Industry Standards
EPUB is an open standard format defined by the International Digital Publishing Forum (IDPF) and now maintained by the World Wide Web Consortium (W3C). Validation ensures that your eBook complies with these standards, making it more likely to be accepted by major eBook retailers and libraries, which often require EPUB files to pass validation checks.
Facilitates Accessibility
Accessibility is a key concern for digital content. Validating an EPUB file can help ensure that it meets accessibility standards, making your eBook usable for readers with disabilities. This includes verifying that text is properly structured, alternative text is provided for images, and that the file supports assistive technologies like screen readers.
Reduces Risk of Rejection by Retailers
Many eBook retailers, including Amazon, Apple Books, and Google Play Books, have strict requirements for the EPUB files they accept. If an EPUB file does not pass validation, it is likely to be rejected by these platforms, delaying publication and potentially leading to lost sales. Validating your EPUB file beforehand reduces the risk of such rejections.
Identifies and Resolves Technical Issues
Validation tools can identify technical issues that might not be immediately obvious, such as coding errors, improper metadata, or structural problems within the EPUB file. Resolving these issues before publication ensures that your eBook is technically sound and fully functional.
Optimizes Performance
A validated EPUB file is typically more optimized, with fewer errors and better-structured code. This can lead to faster loading times, smoother performance, and a more reliable reading experience, especially on lower-powered devices or in areas with limited internet connectivity.
Why let ebookconversion.com convert your books to EPUB format?
Ebookconversion.com has a highly skilled and knowledgeable team of developers who will make sure your ePub ebooks pass Apple’s strict validation requirements.
Even though your ePub format ebook may pass the standard ePub 1.2 validation, Apple may reject to accept your epub format file due to unmanifested files which are not detectable by normal ePub validation tools. (Detect unmanifested epub file here) Our developers will eliminate any such errors and will pass your Apple ePub ebook requirement.
Validating your EPUB format eBook is a critical step in the publishing process. It ensures that your eBook meets industry standards, provides a high-quality reading experience, and is compatible with a wide range of devices and platforms. By taking the time to validate your EPUB file, you protect your work, enhance its accessibility, and increase the chances of successful distribution and reader satisfaction.
If you are an author, publisher, or copyright owner looking for paid, professional assistance, then we are your answer invalidating, formatting, or meeting Apple iBookstore standards for an ePub file. Contact us atBob@epubconversion.com or call (515) 865-4591 for a quote.