lookup> .tiff

.TIFF·File Extension

TIFF ImageFlexible raster format used in print and photography for high fidelity.

Extension.tiff
File typeTIFF Image
MIME typeimage/tiff
CategoryImage
Charset
CompressibleNo
Format familytiff

What is a .tiff file?

A .tiff file is a TIFF Image — Flexible raster format used in print and photography for high fidelity.

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

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

  • Use Photoshop or Preview to open and edit .tiff 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/tiff

Common software that reads/writes .tiff:

PhotoshopPreviewGIMP
.tiffextension of
format
tiffserved as
mime type
image/tiffsent 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 .tiff extension, or export this format from Photoshop.

What programs can open .tiff files?

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

How do I create a .tiff file?

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

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

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

Updated 2026-08-18

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