No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.

Does it work on mobile?

Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

Images.heif

HEIF viewer

ready

HEIF · .heif

High Efficiency Image Format container.

Choose a fileor paste · ⌘V

About HEIF

High Efficiency Image Format container.

HEIF is the broader container; HEIC is the most common codec inside it. We support both, including bursts and depth maps where present.

FAQ

What is a HEIF file?: HEIF is the broader container; HEIC is the most common codec inside it. We support both, including bursts and depth maps where present.
Is my file uploaded?: No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?: Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

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