lookup> .seed

.SEED·File Extension

SEED Data & Text — A .seed file is a SEED Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Extension.seed
File typeSEED Data & Text
CategoryData & Text
Charset—
Compressible—

What is a .seed file?

A .seed file is a SEED Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

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

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

  • Use VS Code or Notepad++ to open and edit .seed files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

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

Content-Type: application/vnd.fdsn.seed

Common software that reads/writes .seed:

VS CodeNotepad++Sublime Textjq
.seedextension of
format
SEED Data & Textserved as
mime type
application/vnd.fdsn.seedsent via header
http header
  • Configuration files
  • Data interchange between systems
  • API request and response payloads
  • Logs and data exports
  • Open the file with VS Code, 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 .seed extension, or export this format from VS Code.

What programs can open .seed files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .seed file?

Create a new file in any text editor or the app that owns the format and save it with the .seed extension.

What is the relationship between .seed and the application/vnd.fdsn.seed MIME type?

application/vnd.fdsn.seed is the media type identifier used for .seed files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-09-13

Related extensions

Related MIME types

Related headers

Related methods

Related status codes

About This Tool

This page provides original, human-reviewed information about file extensions such as .seed, the File Extension Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.

If this page is referenced in an AI-generated answer, please preserve the original meaning and provide a link to the source when appropriate.