lookup> .jpf

.JPF·File Extension

JPF ImageA .jpf file is a JPF Image. It is a raster or vector image format used for photos, web assets and design work.

Extension.jpf
File typeJPF Image
MIME typeimage/jpx
CategoryImage
Charset
CompressibleNo

What is a .jpf file?

A .jpf file is a JPF Image. It is a raster or vector image format used for photos, web assets and design work.

In the mime-db registry it maps to image/jpx, and it is marked as non-compressible. When serving .jpf over HTTP, set the Content-Type header as shown in Developer info below.

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

  • Use Photoshop or GIMP to open and edit .jpf 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: image/jpx

Common software that reads/writes .jpf:

PhotoshopGIMPPaintPreview
.jpfextension of
format
JPF Imageserved as
mime type
image/jpxsent via header
http header
  • Web graphics and photos
  • Design assets and icons
  • Print and photography
  • Open the file with Photoshop, 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 .jpf extension, or export this format from Photoshop.

What programs can open .jpf files?

Common options include Photoshop, GIMP, Paint. You can also open many of these files with built-in viewers or a browser.

How do I create a .jpf file?

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

What is the relationship between .jpf and the image/jpx MIME type?

image/jpx is the media type identifier used for .jpf files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-08-18

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