Convert HEIC to TIFF online

To convert HEIC to TIFF, upload the HEIC file, start the conversion and download the result: Converter.now writes a TIFF image. The TIFF is lossless, but it cannot bring back detail that HEIC compression already discarded, so expect a larger file that looks the same.

◈ Encrypted transfer◷ Short retention⊘ No watermark◎ Works on every device

HEIC to TIFF at a glance

Converts: High Efficiency Image Container → TIFF raster image
Output: A TIFF image
Compression: HEIC: lossy → TIFF: uncompressed
Engine: Pillow (with ImageMagick fallback)
Privacy: Private download link; files are deleted after 6 hours. No account needed.

How HEIC turns into TIFF: Pixel decoding and image re-encoding

A high efficiency image container often carrying phone photos, metadata, and multiple image items is decoded into a working pixel canvas first, then written back out under TIFF's own color and compression model. Dimensions can stay exactly the same even as encoding, metadata, and fine detail change underneath. HEIC reading selects the primary HEVC-coded image and follows orientation, grid, color, alpha, depth, burst, thumbnail, and metadata item relationships. TIFF output can describe high-bit-depth pixels, alpha, varied compression, and multiple image directories, but the chosen writer profile determines which of those features is present.

Decoded canvas - A High Efficiency Image container often carrying phone photos, metadata, and multiple image items. Written image - A flexible raster container that can hold high bit depth, multiple pages, alpha, and varied compression.

Not quite the pair you need? Browse more ways to convert HEIC files or the TIFF converter hub for every route into and out of TIFF.

Before converting a whole batch, read keeping a master separate from delivery copies; it explains which copy to preserve and which to share.

HEIC

High Efficiency Image Container

Used for space-efficient phone photos.

Family: Images
MIME: image/heic

→

TIFF

TIFF raster image

Designed for raster pictures made of individually stored pixels.

Family: Images
MIME: image/tiff

The delivery decision for this HEIC to TIFF route

TIFF wins this route whenever its specific mix of compatibility, alpha, animation, and file size fits the destination better than HEIC does.

What changes between the HEIC model and the TIFF deliverable

The TIFF is lossless, but it cannot bring back detail that HEIC compression already discarded, so expect a larger file that looks the same.
HEIC and TIFF use different metadata conventions, so application-specific fields should be treated as optional until verified.

Reading HEIC correctly and satisfying what TIFF expects

What can fail when High Efficiency Image Container is interpreted

Windows, browsers, and older editors may need extra codecs; depth maps, bursts, and edits may not be exported.

What TIFF raster image cannot safely promise

Apps support different TIFF subsets, so multipage files, CMYK, layers, or unusual compression may fail to open.

How the TIFF writer handles this route

The writer builds a flexible raster container that can hold high bit depth, multiple pages, alpha, and varied compression and labels the result as image/tiff. The receiving application - Not the extension alone - Is the final compatibility test.

How to confirm the converted TIFF actually works

Record the HEIC evidence before conversion

Check orientation, color, the primary photo, and capture metadata on the destination device.

Test the TIFF file in its receiving workflow

Check every page, bit depth, color mode, resolution tag, compression, and alpha channel.