BigTIFF

Writable

image

BigTIFF is a file format intended to behave similarly to the TIFF file format, however is extended to support 64bit offset values.

Identify it

Extensions	`.tif.tiff.tf8.btf`
Signatures	`49492b0008000000` at byte 0 (BigTIFF little endian) `4d4d002b00080000` at byte 0 (BigTIFF big endian) `49492b00` at byte 0 `4d4d002b` at byte 0
PRONOM	`fmt/1917`
Wikidata	`Q28205771`
Library of Congress	`fdd000328`

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OpenSlideOpen sourcewrites · GNU Lesser General Public License, version 2.1
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
LibTIFFOpen sourcereads · libtiff License
ENVIreads and writes · proprietary license
Zoomifywrites
ArcGISreads · proprietary license
Global Mapperreads
GMSreads
MediaRich Serverreads
netScope Serverreads
netScope Viewerreads
Q1936840reads

No conversion recorded. One of the tools above may export it; search for a chain.

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.