Frequently Asked Questions
How do I convert HEIC to JPG?
1. Open HEICase app
2. Click "Select Images" or drag and drop your HEIC files
3. Choose JPG as the output format
4. Click "Convert" button
5. Your converted images will be saved to your chosen location
Is my data safe? Do you upload my photos?
Absolutely safe! HEICase works completely offline. All image processing happens locally on your device.
Your photos never leave your device and are never uploaded to any server. We have zero access to your images.
What image formats are supported?
HEICase supports conversion between the following formats:
• HEIC (Apple's High Efficiency Image Format)
• JPG/JPEG (Universal format)
• PNG (With transparency support)
• TIFF (Professional grade)
• BMP (Windows bitmap)
• JPEG 2000 (Next-generation JPEG)
Can I convert multiple images at once?
Yes! HEICase supports batch conversion. You can select multiple images and convert them all at once.
The app will process them quickly using native CoreImage technology.
Does the app work without internet?
Yes! HEICase works completely offline. No internet connection is required.
You can convert images anytime, anywhere, even on a plane or in areas without network coverage.
Will the image quality be affected?
HEICase preserves the original image quality during conversion. You can also adjust the quality settings
if you want to reduce file size. The app uses Apple's native CoreImage framework for high-quality processing.
What editing features are available?
HEICase includes a built-in image editor with the following features:
• Rotate images (90°, 180°, 270°)
• Crop to custom dimensions
• Resize images
• Adjust quality settings
• Preview before saving
Is there a free trial?
HEICase is a one-time purchase app. There's no subscription or recurring fees.
Once you purchase, you get lifetime access with all future updates included for free.
Which devices are supported?
HEICase is available for:
• macOS 12.0 or later (Apple Silicon and Intel Macs)
• iOS 15.0 or later (iPhone and iPad)
How do I report a bug or request a feature?
Please email us at the contact address below. We read every message and typically respond within 24-48 hours.
Your feedback helps us improve HEICase for everyone.
Troubleshooting
The app won't open my images
• Make sure the files are valid image files
• Check that you've granted the app permission to access your files
• Try restarting the app
• If the issue persists, contact us with details about the file format
Conversion is taking too long
• Large images or batch conversions may take longer
• Close other apps to free up system resources
• For very large batches, try converting in smaller groups
• Restart your device if performance is consistently slow
I can't find my converted images
• Check the output folder you selected during conversion
• On macOS, images are typically saved to your Downloads folder by default
• On iOS, images are saved to your Photos library
• You can change the save location in the app settings