TIFF, or Tagged Image File Format, is a flexible raster format used in scanning, publishing, photography, archiving, and print-production workflows. It can store high-resolution images with several color models, bit depths, compression methods, and metadata structures.
Why TIFF is flexible
TIFF acts as a container with tags describing how its image data is organized. Files may be uncompressed or use lossless compression such as LZW or ZIP. Some TIFF variants can use lossy JPEG compression, so the .tif or .tiff extension alone does not prove that the image is uncompressed or lossless.
A TIFF can also contain more than one page or image. That capability is useful for document scans, though support for every feature varies between applications.
Where TIFF is commonly used
TIFF is a familiar choice for:
- high-resolution scans;
- print and prepress handoff when requested;
- archival raster masters under an established specification;
- scientific, technical, and medical imaging workflows; and
- edited photographs that need substantial pixel data.
In professional production, the exact export requirements matter more than the format name. A print provider may specify dimensions, resolution, color space, compression, profiles, channels, or clipping paths.
File size and web use
Detailed TIFF files can be very large. High bit depth, multiple channels, large dimensions, and little or no compression all increase storage and transfer costs. That is acceptable in some master-file workflows but inefficient for ordinary webpage delivery.
Browsers and social platforms do not consistently treat TIFF as a standard display format. Create an appropriate web derivative rather than uploading a production master directly.
Compatibility is not uniform
TIFF has many valid variations, and not every application supports all of them. Layers, extra channels, uncommon compression, multipage content, and specialized tags may be ignored or interpreted differently.
Open the file in the receiving application before relying on it. For important jobs, follow a documented profile and test the complete production path.
TIFF is still raster
High resolution does not make TIFF a vector format. It stores a finite pixel grid, so enlarging beyond the available detail eventually softens the image. Resolution metadata also does not create pixels; print size and actual pixel dimensions must be evaluated together.
When another format is better
Use a compact web format for online photographs, PNG for broadly supported lossless raster graphics and transparency, or SVG for shape-based artwork that must scale. Use PDF when page layout, fonts, and several elements must travel together and the recipient asks for it.
If a TIFF contains a simple logo and no vector master exists, export a correctly sized PNG copy for tracing. Keep the TIFF untouched as a source and review the generated SVG against it.