Drop a HEIC/HEIF image here or click to select
Apple HEIC format from iPhone photos
Output Settings
Converted image will appear here
About HEIC Format
HEIC (High Efficiency Image Container) is Apple's default photo format on iPhones since iOS 11. While HEIC offers excellent compression, it's not widely supported on Windows and web browsers. This tool converts HEIC files to JPG or PNG format for broader compatibility. All processing happens locally in your browser - your photos are never uploaded to any server.
What is HEIC Converter?
HEIC (High Efficiency Image Container) is the photo format Apple adopted as the default on iPhones starting with iOS 11. Built on the HEVC (H.265) video codec, HEIC achieves roughly 50% smaller file sizes compared to JPEG at the same visual quality by using more efficient intra-frame compression techniques, including larger macroblocks and better motion vector prediction adapted for still images. Each HEIC file can also store multiple images, depth maps, and metadata in a single container, which is why Live Photos and burst shots are packaged as HEIC on iOS. Despite these advantages, HEIC remains poorly supported outside Apple's ecosystem — Windows requires a paid codec extension, most Linux desktop environments cannot open HEIC natively, and many web platforms, email clients, and content management systems reject HEIC uploads outright. This converter uses the heic2any library to decode HEIC files entirely within your browser, then re-encodes them as standard JPEG or PNG using the Canvas API. Because the entire pipeline runs client-side with no server round-trip, your photos never leave your device. The tool supports adjustable JPEG quality from 50% to 100%, letting you balance file size against visual fidelity depending on whether you need compact images for web sharing or high-fidelity output for archival purposes.
How to Use
- Click 'Select HEIC Image' or drag and drop a HEIC file
- Choose output format: JPG for smaller files, PNG for lossless quality
- For JPG, adjust the quality slider (80-90% recommended for photos)
- Click 'Convert' to process the image
- Download the converted JPG or PNG file
Why Use This Tool?
Tips & Best Practices
- Use JPG format for sharing photos online or via email
- Use PNG format if you need perfect quality preservation
- Quality 85-90% gives excellent results with minimal file size
- Convert HEIC before uploading to websites that don't support it
- Keep original HEIC files as backup - they're smaller and higher quality
- Windows 10/11 can view HEIC with extensions, but older versions need conversion
Frequently Asked Questions
Why do iPhones use HEIC format?
Apple adopted HEIC because it offers better compression than JPEG - photos take about half the storage space while maintaining the same visual quality. This saves significant storage on iPhones and allows for more photos to be stored.
Can Windows open HEIC files?
Windows 10 and 11 can view HEIC files if you install the HEIF Image Extensions from the Microsoft Store. However, older Windows versions and many applications don't support HEIC, making conversion necessary for compatibility.
Should I convert to JPG or PNG?
For most uses, JPG is recommended - it's universally supported and produces smaller files. Use PNG if you need to preserve every pixel perfectly (for editing or archival), though PNG files will be larger.
Does conversion reduce image quality?
Converting HEIC to PNG preserves full quality. Converting to JPG at high quality (90%+) retains excellent quality with minimal difference. At lower quality settings, some detail loss occurs but file sizes become smaller.
Why can't I preview my HEIC file?
HEIC preview requires browser support. Chrome and Safari can display HEIC, but Firefox and older browsers cannot. The tool can still convert the file even if preview isn't available.
Is my photo uploaded to a server?
No, all HEIC conversion happens locally in your browser using the heic2any library. Your iPhone photos are never sent to any external server, ensuring complete privacy throughout the conversion process.
When should I NOT use this tool?
Avoid this tool if you need to preserve HEIC-specific features like depth maps, Live Photo motion data, or burst sequences — converting to JPEG or PNG flattens these into a single static image. Also, if you are batch-converting hundreds of photos, a desktop application like macOS Preview or the open-source libheif library will be significantly faster than browser-based processing.
Real-world Examples
Sharing iPhone photos on a Windows PC
You took vacation photos on your iPhone and need to share them on a Windows laptop that cannot open HEIC files. Convert to JPG for immediate compatibility.
IMG_4521.HEIC (3.2 MB, iPhone 15 Pro photo)
IMG_4521.jpg (1.8 MB, 90% quality — opens on any device)
Uploading product images to an e-commerce platform
A Shopify store rejects HEIC uploads. Convert your product photos to PNG for lossless quality when the platform will re-compress them anyway.
product-shot.HEIC (4.1 MB, transparent background product photo)
product-shot.png (5.6 MB, lossless — accepted by Shopify)