📚
EPUB Structure Validator
Check required EPUB package files, manifest items and spine structure.
◉ Free⚙ Pro Engine🔒 Temporary Processing
📚 Run Tool
📁 Drag, paste, choose or import
⚙ Format-aware Pro Engine
⬇ Downloadable output
📖 How to use
- Select the supported source file.
- Run the Pro Engine processor.
- Download and verify the output.
⚡ Features
- Free Tool Digital Hub workflow.
- No account required.
- Clear validation and processing errors.
- Works from modern desktop and mobile browsers.
💡 Privacy
- Uploaded files are used only for the requested processing job.
- Temporary server files are deleted after the response.
- Keep your original file until you verify the result.
- Large files may take longer on the free processing server.