lookup> .sv4crc

.SV4CRC·File Extension

SV4CRC Data & Text — A .sv4crc file is a SV4CRC Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Data & Textapplication/x-sv4crc

Quick facts

Extension.sv4crc

File typeSV4CRC Data & Text

MIME typeapplication/x-sv4crc

CategoryData & Text

Charset—

Compressible—

What is .sv4crc

What is a .sv4crc file?

A .sv4crc file is a SV4CRC 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/x-sv4crc. When serving .sv4crc over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/x-sv4crc — and is delivered over HTTP via the Content-Type header.

How to open .sv4crc files

Use VS Code or Notepad++ to open and edit .sv4crc 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/x-sv4crc

Common software that reads/writes .sv4crc:

VS CodeNotepad++Sublime Textjq

Relation chain

.sv4crcextension of

format

SV4CRC Data & Textserved as

mime type

application/x-sv4crcsent 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 .sv4crc 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 .sv4crc files

Create a new file and save it with the .sv4crc extension, or export this format from VS Code.

Frequently asked questions

What programs can open .sv4crc 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 .sv4crc file?

Create a new file in any text editor or the app that owns the format and save it with the .sv4crc extension.

What is the relationship between .sv4crc and the application/x-sv4crc MIME type?

application/x-sv4crc is the media type identifier used for .sv4crc files during network transfer (for example in the HTTP Content-Type header).

Sources & standards

Updated 2026-09-13

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