Format comparison
CSV vs EPUB
How do CSV and EPUBcompare? Here's everything you need to know to choose the right format — and how to convert between them.
.csv
Full guide →Comma-Separated Values
CSV is the simplest tabular data format — rows of values separated by commas. It's the universal exchange format for data between databases, spreadsheets, and programming languages.
.epub
Full guide →Electronic Publication
EPUB is the open standard for digital books and publications. It supports reflowable content that adapts to any screen size, making it the preferred format for e-readers and reading apps.
| Specification | CSV | EPUB |
|---|---|---|
| Full name | Comma-Separated Values | Electronic Publication |
| Extension | .csv | .epub |
| MIME type | text/csv | application/epub+zip |
| Category | Document | Document |
| Developer | IBM (original concept) | International Digital Publishing Forum (IDPF) |
| Year introduced | 1972 | 2007 |
CSV advantages
- Universal data exchange format
- Human-readable plain text
- Tiny file sizes
- Supported by every data tool
CSV limitations
- No formatting or styling
- No data types — everything is text
- Encoding and delimiter issues common
- No support for multiple sheets or formulas
EPUB advantages
- Reflowable text — adapts to any screen
- Open standard with wide support
- Supports rich formatting and images
- Accessible with screen readers
EPUB limitations
- Not supported by Amazon Kindle natively
- Complex internal structure
- Formatting can be inconsistent
- Less control over layout than PDF
Which should you use?
CSV and EPUB serve different purposes. CSV is ideal for data import and export, while EPUB excels at e-books and digital publications.
Best uses for CSV
Data import and export
Database migrations
API data exchange
Data science and analysis pipelines
Best uses for EPUB
E-books and digital publications
Online magazines and journals
Educational textbooks
Documentation and manuals
Convert between CSV and EPUB
Need to switch formats? Convert for free with SquishConvert.