What is HEIC? How to Open and Convert HEIC Files on Windows

Quick Answer

To convert HEIC to JPG: upload the HEIC file to a converter and download the JPG. HEIC is Apple's iPhone photo format that Windows and many apps cannot open; converting to JPG makes it universally compatible. To stop iPhone shooting HEIC: Settings > Camera > Formats > Most Compatible.

What Is HEIC? Complete Guide to iPhone Photo Format and Conversion

HEIC (High Efficiency Image Container) is the photo format used by iPhones since iOS 11 in 2017. It uses HEVC compression to store photos at roughly half the file size of JPEG while maintaining equal or better visual quality. Understanding HEIC — and when to convert it — saves you storage space and prevents compatibility headaches.

Why Apple Chose HEIC

Apple adopted HEIC for three compelling reasons. First, storage efficiency: a typical iPhone photo in HEIC is 2-3MB versus 4-6MB as JPEG. Second, better quality: HEIC supports 16-bit colour depth versus JPEG's 8-bit, meaning more colour gradation for high-contrast scenes like sunsets. Third, advanced feature support: Live Photos, Portrait mode depth maps, and burst sequences are natively stored in a single HEIC file.

The Compatibility Problem

Platform

HEIC Support

What To Do

|---|---|---|

iPhone and iPad (iOS 11+)	Full native	Nothing — default format
Mac (macOS High Sierra+)	Full native	Opens in Preview, Photos, Finder
Windows 11	Needs extension	Install free HEIF Image Extensions from Microsoft Store
Windows 10	Paid codec	$0.99 HEVC Video Extensions in Microsoft Store
Android 12+	View only on some devices	Convert before sharing
Google Photos	Upload and view	Can download as JPEG
WhatsApp	Auto-converts	Slightly reduced quality
Most websites	Cannot display	Must convert to JPEG or WebP first
Adobe Photoshop CC 2018+	Supported	Full editing

How to Convert HEIC to JPEG

Method 1 — Lazyblink (fastest for multiple files): Open Lazyblink HEIC to JPG tool, upload one or multiple .heic files, choose quality (80% recommended), download converted JPEGs. All processing in browser, files never uploaded.

Method 2 — iPhone Settings (prevent HEIC at source): Settings > Camera > Formats > Most Compatible. iPhone shoots JPEG going forward. Trade-off: approximately twice the storage per photo.

Method 3 — iPhone automatic conversion when sharing: When sharing from Photos app to non-Apple contacts, iOS auto-converts to JPEG. Original HEIC stays on iPhone; shared file is JPEG.

Method 4 — Mac Preview: Open HEIC in Preview, File > Export, choose JPEG format and quality.

Method 5 — Windows (after installing extension): Install HEIF Image Extensions from Microsoft Store (free), then right-click HEIC in Windows Photos > Save a copy as JPEG.

HEIC vs JPEG vs WebP vs AVIF

Format

File Size vs JPEG

Quality at Same Size

Browser Support

Best Use

|---|---|---|---|---|

JPEG	Baseline	Good	Universal	Email, social media sharing
HEIC	50% smaller	Better	Apple only	iPhone storage
WebP	25-35% smaller	Excellent	95%+ browsers	Web images
AVIF	40-50% smaller	Excellent	85%+ browsers	Modern web
PNG	3-5x larger	Lossless	Universal	Graphics, screenshots

Verdict: HEIC is ideal for iPhone-to-iPhone or iPhone-to-Mac workflows. For everything else, convert to JPEG for maximum compatibility or WebP for web use.

Quality Settings When Converting

Choose your quality setting based on intended use:

• 95-100%: Archival, professional use — larger file, perfect quality
• 80-90%: General sharing, important memories — excellent quality, good size
• 70-75%: Social media, WhatsApp — good quality, smaller file
• 60-65%: Thumbnails, previews — acceptable quality, much smaller

For general use, 80% quality is the sweet spot — visually indistinguishable from the original on any screen, with significantly reduced file size.

Common HEIC Questions

Does converting lose EXIF data? No — Lazyblink preserves GPS location, timestamps, and camera settings during conversion.

Can I view HEIC on PC without converting? Yes, after installing HEIF Image Extensions from Microsoft Store (free for Windows 11, paid for Windows 10).

Will converting to JPEG reduce visible quality? At 85%+ quality setting, the difference is invisible to the human eye on any screen. At 80%, quality remains excellent for all screen viewing.