How to Convert iPhone Photos for Windows Compatibility
You transfer photos from your iPhone to a Windows PC and double-click one to open it. Windows says it cannot open the file, or shows a blank thumbnail. This happens because iPhones save photos in HEIC format by default, and Windows does not fully support HEIC without extra codecs.
The fastest fix is to convert your HEIC photos to JPG, which Windows handles natively. This guide walks you through the conversion process and explains your options for making iPhone photos work seamlessly on Windows.
Step-by-Step Instructions
- Understand why it happens
Since iOS 11, iPhones save photos as HEIC (High Efficiency Image Container) by default. HEIC files are about 50% smaller than JPG at the same quality, which saves storage on your phone. However, Windows requires the HEIF Image Extensions codec to display HEIC files, and the full HEVC codec costs $0.99 from the Microsoft Store. Many Windows users never install these.
- Transfer your photos to your PC
Connect your iPhone to your Windows PC via USB, use iCloud Photos, or transfer via email or AirDrop to a Mac and then to your PC. If you transfer via USB, Windows will show the HEIC files in the DCIM folder. Copy the ones you want to convert to a folder on your PC.
- Convert HEIC to JPG online
Open imageconvert.co in your browser and drag your HEIC files onto the converter. Select JPG as the output format. The conversion uses WebAssembly in your browser, so your personal photos are never uploaded to any server. This is important for privacy since phone photos often contain sensitive personal moments.
- Download and use your JPG files
Click Download All to get a ZIP of your converted JPG files. These will open in any Windows application: Photos, Paint, File Explorer thumbnails, email clients, and any image editor. The quality is virtually identical to the original HEIC files.
Alternative: Change iPhone Settings to Save as JPG
If you frequently share photos with Windows users, you can change your iPhone to save photos as JPG instead of HEIC. Go to Settings > Camera > Formats and select Most Compatible. This tells the camera to save JPG files and H.264 videos.
The trade-off is storage: JPG files are roughly twice the size of HEIC files. On a 128 GB iPhone, this means significantly fewer photos before you run out of space. Most people prefer to keep HEIC for the storage savings and convert individual photos when needed.
Alternative: Install Windows HEIC Codecs
You can add HEIC support to Windows by installing two extensions from the Microsoft Store: HEIF Image Extensions (free) and HEVC Video Extensions ($0.99). Once installed, Windows Photos, File Explorer, and most applications can open HEIC files directly.
This approach works well if you are the only person using the PC, but it does not help when sharing photos with others who may not have the codecs installed. Converting to JPG remains the most universal solution.
Why Browser-Based Conversion Is Safer
Most HEIC converters require you to upload your photos to a remote server. When those photos include pictures of your family, home, or personal documents, that is a real privacy concern. imageconvert.co processes everything locally in your browser using WebAssembly. Your photos never leave your computer, and there is no account, no upload queue, and no file size limit.
Frequently Asked Questions
Why can't Windows open iPhone photos?
iPhones save photos in HEIC format by default. Windows requires additional codecs (HEIF Image Extensions and HEVC Video Extensions) to display HEIC files. Without these codecs, Windows cannot open or preview HEIC photos.
Does converting HEIC to JPG reduce quality?
There is a very slight quality reduction since both HEIC and JPG are lossy formats, but at typical quality settings of 85-95%, the difference is imperceptible to the human eye. The converted JPG will look identical to the original for all practical purposes.
Can I convert HEIC photos in bulk?
Yes. imageconvert.co supports batch conversion. Drag multiple HEIC files onto the converter at once, and download all the converted JPG files as a ZIP. There is no limit on the number of files you can convert.
Will converting HEIC to JPG remove location data?
The conversion process focuses on the image pixel data. EXIF metadata including location data may not be preserved during format conversion, which can actually be a privacy benefit when sharing photos.