Links
EPUB Link Checker
Upload an EPUB to scan all internal hyperlinks and anchor references. The checker finds links that point to missing files, broken anchors, or incorrect relative paths. External URL checking is not performed. Export the full link report as a text file.
Input formats
Output formats
Common uses
- Find broken footnote links in a converted EPUB
- Check that all chapter cross-references work
- Verify table of contents links point to existing chapters
Limitations
- External URLs are not checked — only internal links within the EPUB.
- JavaScript-based navigation is not followed.
Your e-book files, handled privately
This tool runs entirely in your browser. Your files are never uploaded to a server. This tool does not remove DRM or bypass copyright protection. Only upload files you own or have permission to process.
Frequently asked questions
This tool checks href attributes in anchor tags, src attributes in img tags, and xlink:href attributes — all relative to the EPUB's file structure. External http:// and https:// links are listed but not verified.