.SQLITE3·File Extension

What is a .sqlite3 file?

A .sqlite3 file is a SQLite Database — SQLite database file (version 3).

In the mime-db registry it maps to application/vnd.sqlite3. When serving .sqlite3 over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/vnd.sqlite3 — and is delivered over HTTP via the Content-Type header.

When served over HTTP, responses should set the following header:

Content-Type: application/vnd.sqlite3

Common software that reads/writes .sqlite3:

• Configuration files
• Data interchange between systems
• API request and response payloads
• Logs and data exports

• Open the file with SQLite, make your changes and save.
• Most editors preserve the original formatting and encoding — avoid changing the charset.

• Create a new file and save it with the .sqlite3 extension, or export this format from SQLite.

• mime-db
• refnet data sources

Updated 2026-08-18