Help center

Troubleshooting

Fix EPUB errors, upload problems, cover issues, and review hold-ups.

Common EPUB upload errors and how to fix themMost EPUB upload errors are easy fixes: invalid markup, missing navigation, bad cover references, or remote resources. Here's how to clear the common ones.
Cover upload errors: too large, wrong format, or not foundFix the common cover errors: image too small/large, wrong format, or 'embedded cover not found'. Use JPG/PNG at 1600x2560 and let Chiify inject it.
Fixing font and non-standard font errors in your EPUBFont errors come from non-standard or non-embedded fonts. Embed standard fonts (or rebuild from DOCX) so text displays everywhere. Here's how.
My book is stuck in review — what should I do?Most reviews finish in 24–48 hours. If yours is longer, check for a block, confirm files are valid, and contact support. Here's the checklist.
Right-to-left and reverse-binding books (Arabic, Hebrew, manga)For Arabic, Hebrew, or manga, set the language and reading direction so pages bind and turn correctly. Here's how to handle RTL and reverse binding.
Why won't my book or file upload?Uploads usually fail from an unsupported format, an oversized file, a flaky connection, or placeholder text. Here's how to diagnose and fix each.

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