TXT file format
Plain text
TXT files contain plain text with no formatting — no fonts, images or layout. They open on every device and in every editor.
| Property | TXT |
|---|---|
| File extensions | .txt |
| MIME type | text/plain |
| Introduced | 1960s |
| Type | Plain text |
| How it's stored | None |
| Keeps formatting | No |
| Compatibility | Universal |
| Best for | Notes, logs, readme files |
What is a TXT file?
A .txt file is plain text, usually encoded as UTF-8 today. It contains characters and line breaks only — no bold, fonts, images or page layout — which makes it the most portable and future-proof document format.