EPUB vs SSA
Een uitgebreide vergelijking van EPUB eBook en SubStation Alpha — bestandsgrootte, kwaliteit, compatibiliteit en welk formaat het beste past bij jouw workflow.
EPUB eBook
eBooksEPUB is the open standard for reflowable digital books. It adapts text to any screen size and is supported by most e-readers except Kindle. EPUB 3 adds support for multimedia and interactivity.
Over EPUB-bestandenSubStation Alpha
Documents & TextSSA (SubStation Alpha) is a subtitle format with styling and positioning.
Over SSA-bestandenVergelijking van sterke punten
EPUB Sterke punten
- Open standard — no vendor lock-in, no DRM required.
- Reflowable text — adapts to any screen size, font size, or orientation.
- Rich typography via CSS, embedded fonts, and SVG.
- Accessibility-first: native support for screen readers, adjustable text, and alt-text.
- Universal across every non-Kindle ebook reader and library app.
SSA Sterke punten
- Plain text format — editable in Notepad.
- Rich styling compared to SRT (named styles, per-character formatting).
- Universal desktop player support since the 2000s.
- Forward-compatible — modern players open SSA as ASS.
Beperkingen
EPUB Beperkingen
- Kindle does not support EPUB natively (Amazon wants you to convert to AZW3).
- Fixed-layout EPUBs (for children's books, comics) are awkward to author.
- Rendering quality varies between apps — some CSS works everywhere, some does not.
- Adobe DRM (ADEPT) or Apple FairPlay are optional layers that complicate portability.
SSA Beperkingen
- Superseded by ASS for new content.
- Not supported in HTML5 <video>.
- Commercial streaming services ignore SSA.
- Multiple implementations disagree on edge cases.
Technische specificaties
| Specificatie | EPUB | SSA |
|---|---|---|
| MIME type | application/epub+zip | text/x-ssa |
| Extension | .epub | .ssa |
| Container | ZIP archive | — |
| Markup | XHTML 1.1 (EPUB 2); HTML5 (EPUB 3) | — |
| Standards | IDPF/W3C EPUB 2.0.1, 3.0, 3.2, 3.3 | — |
| Successor | — | .ass (Advanced SubStation Alpha) |
| Timecode precision | — | Centisecond (0.01s) |
| Authoring | — | Aegisub |
Typische bestandsgroottes
EPUB
- Novel (300 pages, text only) 200-800 KB
- Illustrated reference book 5-30 MB
- Fixed-layout children's book 30-100 MB
SSA
- TV episode dialogue 30-90 KB
- Anime episode with signs and songs 80-200 KB
Klaar om te converteren?
Converteer online tussen EPUB en SSA, gratis en zonder iets te installeren. Versleutelde upload, automatische verwijdering na 60 minuten.
Sensitive Documents, Scanned OCR, or 500+ Pages?
For legally sensitive archives that must never leave your local network, or multi-hundred page scanned PDFs needing optical character recognition, local document workstations ensure full compliance.
Eenmalige betaling zonder verlenging: converteer 24 uur lang bestanden tot 1 GB en batches van 50 bestanden.
Converteer grote video's, pdf's en lossless audio direct in je browser—100% reclamevrij met prioriteit.
Supersnelle cloudverwerking voor bestanden tot 1.024 MB, 24 uur versleutelde opslag en prioriteitsondersteuning.
Offline conversion for multi-hundred page contracts, spreadsheets, and local optical extraction.
High-accuracy legal OCR, certified PDF/A archiving, and compliant document redaction.
Veelgestelde vragen
Upload je EPUB-bestand naar KaijuConverter om het direct in je browser om te zetten naar PDF, JPG, PNG of een ander standaardformaat.
Upload je SSA-bestand naar KaijuConverter om het direct in je browser om te zetten naar PDF, JPG, PNG of een ander standaardformaat.
Ja, gratis tot 25 MB (tot 1 GB met 24-uurspas of Pro) en alle bestanden worden na 60 minuten automatisch verwijderd.
Ja, gratis tot 25 MB (tot 1 GB met 24-uurspas of Pro) en alle bestanden worden na 60 minuten automatisch verwijderd.