Technical MIME Specification & Web Server Guide
text/csv
Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .CSV files (Comma-Separated Values).
File Extension
.csv
Content-Type Header
text/csv
Format Category
Documents
Standard Specification
RFC 4180
Description & Usage
Plain text tabular data format where entries are separated by commas.
HTTP Server Content-Type Configuration Code
# Nginx mime.types configuration for .csv
types {
text/csv csv;
}OS Compatibility Matrix
Windows
macOS
Linux
Android
iOS
Want to test header signatures or binary files?
Run binary magic byte inspection in Magic Byte Detector.
Preguntas frecuentes
Respuestas claras a las preguntas más habituales.
The official MIME content type for .csv files is "text/csv". Web servers use this header to instruct browsers how to render or process .csv data.