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.ROA·File Extension

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

Data & Textapplication/rpki-roa

Quick facts

Extension.roa

File typeROA Data & Text

MIME typeapplication/rpki-roa

CategoryData & Text

Charset—

Compressible—

What is .roa

What is a .roa file?

A .roa file is a ROA 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/rpki-roa. When serving .roa over HTTP, set the Content-Type header as shown in Developer info below.

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

How to open .roa files

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

Developer info

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

Content-Type: application/rpki-roa

Common software that reads/writes .roa:

VS CodeNotepad++Sublime Textjq

Relation chain

.roaextension of

format

ROA Data & Textserved as

mime type

application/rpki-roasent via header

http header

Related extensions

Related MIME types

Common uses

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

How to edit .roa files

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

How to create .roa files

Create a new file and save it with the .roa extension, or export this format from VS Code.

Frequently asked questions

What programs can open .roa 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 .roa file?

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

What is the relationship between .roa and the application/rpki-roa MIME type?

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

Sources & standards

Updated 2026-09-13

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