Tagged Image File Format (TIFF)

Characteristics and structure

TIFF files are structured as a sequence of tagged fields that describe image data, compression, color spaces, resolution, and other properties. Common characteristics include:

• Support for multiple data types and color models, including grayscale, RGB and CMYK.
• Ability to include several images or pages in a single file (useful for multi-page scans or layered workflows).
• Compatibility with several compression schemes: lossless options such as LZW and PackBits, and lossy options such as JPEG-compressed strips or tiles.
• Extensible metadata fields that allow embedding of image description, EXIF-like camera information, IPTC, tags for color management, and custom tags used by specific applications.

History and standardization

TIFF was developed in the era of early desktop publishing to provide a common exchange format for images between scanners, image editors, and page layout programs. The original specification was created by Aldus and subsequently maintained and published by Adobe after its acquisition of Aldus. The widely referenced TIFF 6.0 revision dates from the early 1990s; later technical notes and related specifications have extended or adapted the base format for specialized needs. Because TIFF is a container rather than a single encoding, variations and vendor extensions proliferated over time.

Uses, workflows, and compatibility

TIFF remains popular in professional imaging, publishing, and archival workflows. Typical uses include:

• High-quality scanning for document digitization and preservation; scanning devices and drivers often output TIFF natively—see manufacturers' documentation at scanners and drivers.
• Image editing and prepress, where lossless or high-precision storage is required; many publishing applications interoperate via TIFF and related color-management profiles (page layout and word processing support).
• Optical character recognition (OCR) pipelines that rely on clean, uncompressed image data—OCR toolchains often reference TIFF images directly (OCR resources).
• Fax and document interchange in legacy and specialized workflows where multi-page TIFF variants are common.

Variants, compatibility issues, and notable facts

Because TIFF supports many options and vendor-defined tags, interoperability can vary between applications. Several notable points to consider:

1. Not all TIFF readers support every compression method, color model, tiled or stripped storage, or custom tags. Some programs only read a common subset.
2. Extensions and related profiles—such as TIFF/EP for electronic photography or the BigTIFF variant created to address very large files—exist to meet particular technical requirements.
3. The TIFF specification and its derivatives have been maintained through a combination of official releases and application notes; for the current steward and resources consult Adobe and other standards references (format summaries).

Because TIFF trades compactness for flexibility, modern workflows sometimes convert between TIFF and more space-efficient formats depending on purpose: archival master files often remain TIFF, while web and distribution copies use compressed formats. When choosing TIFF for a project, verify the subset of features required and test interoperability with the intended toolchain.