Open Converter
Images • MIME: image/heic

.HEIC File Extension

Apple iOS default high-efficiency camera image format using HEVC compression.

Category Images
MIME Type image/heic
Magic Bytes 00 00 00 18 66 74 79 70 68 65 69 63
Developer MPEG Group / Apple Inc.
Typical Size 1.2 MB – 3.5 MB
Security Risk Low Risk

Format Architecture & Technical Specifications

HEIC (High Efficiency Image Container) is the default photo image format introduced by Apple in iOS 11. It uses High Efficiency Video Coding (HEVC) compression to store ultra high-quality camera images at approximately half the file size of traditional JPEGs.

How to Open .HEIC Files

1 Windows 11 Setup

Install free HEIF Image Extensions from Microsoft Store or use AnyFileX Web Converter.

2 Mac / iOS Native

Double click to open directly in macOS Preview or iOS Photos app without additional tools.

3 Linux Desktop

Install libheif-examples and view in GIMP or ImageMagick.

Compatible Software Programs

Apple Photos

mac, ios • Free

CopyTrans HEIC for Windows

windows • Free

Adobe Photoshop 2024

windows, mac • Commercial

GIMP Open Source Editor

windows, mac, linux • Free

Google Photos

windows, mac, android, ios • Free

Security Considerations & Verification

Standard media container format with zero executable capability. Safe to view and convert.

  • If file fails to open, inspect magic bytes to verify ftypheic (00 00 00 18 66 74 79 70 68 65 69 63) header string is present.
  • For broken USB transfer files from iPhone, enable "Automatic" under iOS Settings > Photos > Transfer to Mac or PC.
  • For Windows black screens or error 0x80070057, install HEIF Image Extensions and HEVC Video Extensions from Microsoft Store.
  • Use AnyFileX Online HEIC Viewer to decode corrupted files or convert them directly to JPG in-browser.

Frequently Asked Questions

What is a .HEIC file?

A .HEIC file is a High Efficiency Image Container associated with Images. Apple iOS default high-efficiency camera image format using HEVC compression.

How do I open a .HEIC file on Windows or Mac?

You can open .HEIC files using Apple Photos, CopyTrans HEIC for Windows, Adobe Photoshop 2024, GIMP Open Source Editor, Google Photos. If you do not have native software installed, you can use AnyFileX's free File Identifier or convert .HEIC to a standard format in your browser.

Is a .HEIC file safe to open?

This format carries a safety rating of Low Risk. Standard media container format with zero executable capability. Safe to view and convert.

Can I convert a .HEIC file to other formats?

Yes! .HEIC can be converted to formats such as .JPG, .PDF, .PNG, .WEBP directly in your web browser.

What should I do if a .HEIC file is corrupted or won't open?

If your .HEIC file displays an invalid header or signature error, check its magic bytes hex header (00 00 00 18 66 74 79 70 68 65 69 63) using AnyFileX's Magic Byte Detector or follow our step-by-step file repair guide.

What is a HEIC file and what does HEIC stand for?

HEIC stands for High Efficiency Image Container. It is the file extension used for the HEIF (High Efficiency Image File Format) standard, adopted by Apple in iOS 11 to store high-resolution photos at approximately 50% the file size of JPEG using advanced HEVC (H.265) compression.

How do I open HEIC files on Windows 10 or Windows 11?

To open HEIC files on Windows, install the free "HEIF Image Extensions" and "HEVC Video Extensions" from the Microsoft Store, or install "CopyTrans HEIC for Windows" which enables native thumbnail previews in Windows File Explorer. You can also open and view them instantly in your browser using AnyFileX.

How do I open HEIC files on Android?

Android 9 (Pie) and newer versions natively support HEIC files through Google Photos and Samsung Gallery. On Samsung devices, you can view and share HEIC photos without installing third-party apps.

How do I open HEIC files on a Mac?

macOS High Sierra (10.13) and later versions natively support HEIC. Simply double-click the file to open it in Apple Preview or Apple Photos, or select the file in Finder and tap the Spacebar for an instant Quick Look preview.

Is HEIC better quality than JPG / JPEG?

Yes. HEIC delivers equal or superior visual quality to JPEG at half the file size. Furthermore, HEIC supports 10-bit and 16-bit color depth (over 1 billion colors), alpha channel transparency, live photos, and depth map data, whereas JPEG is limited to 8-bit color with no transparency.

How do I convert HEIC to JPG?

You can convert HEIC to JPG for free right here on AnyFileX without downloading software. Simply drop your HEIC file into our online converter or viewer, and download the converted JPEG image in seconds.

How do I convert HEIC to PDF?

Use the AnyFileX HEIC to PDF converter to transform your HEIC photos into single or multi-page PDF documents. The conversion preserves resolution and allows instant downloading or printing.

What is the MIME content-type for HEIC files?

The official registered MIME types are image/heic for single images, image/heif for generic HEIF containers, and image/heic-sequence for image bursts and Live Photos.

What are the magic bytes / hex signatures for HEIC?

A standard HEIC file begins with the 12-byte hex sequence: 00 00 00 18 66 74 79 70 68 65 69 63, which corresponds to ASCII ....ftypheic.

How do I stop my iPhone from taking HEIC photos and switch back to JPG?

On your iPhone or iPad, go to Settings > Camera > Formats, and select "Most Compatible" instead of "High Efficiency". This causes the camera to save new photos directly as standard JPEG (.jpg) files.