HEIC is an image format introduced in 2015 and adopted by Apple in iOS 11 (2017). It's commonly used for iPhone photos, Apple ecosystem.

Will converting HEIC to TIFF reduce quality?

No further quality loss occurs. HEIC already lost detail during its original compression, but converting to lossless TIFF prevents any additional degradation.

How much larger will the TIFF file be?

Typically 3-5x larger than the original HEIC, since TIFF preserves all pixel data without compression.

Is this conversion reversible?

Yes — HEIC and TIFF are both lossless, so you can convert back and forth without quality loss.

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HEIC to TIFF

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About HEIC to TIFF conversion

HEIC is introduced in 2015 and adopted by Apple in iOS 11 (2017) and is the default on every modern iPhone for iPhone photos, Apple ecosystem. TIFF was created by Aldus Corporation in 1986 and is best for print publishing, professional photography. Converting HEIC to TIFF preserves every pixel without compression artifacts — ideal when you need to edit or archive the image. HEIC files can be a problem when their support is limited — converting to TIFF solves compatibility issues.

Also available: TIFF to HEIC Converter

HEIC vs TIFF: at a glance

Property	HEIC	TIFF
Compression	lossy	lossless
Transparency	Yes	Yes
Animation	Yes	No
Color depth	up to 16-bit	up to 48-bit
Created by	MPEG	Aldus Corporation
Introduced	2015	1986
Best for	iPhone photos, Apple ecosystem	print publishing, professional photography, archival preservation, medical scanning

HEIC uses lossy compression; TIFF uses lossless. Converting won't restore lost detail, but it prevents further quality degradation during editing and archiving.