JPEG/HEIF Converter - SBS B/A
HEIF JPEG Converter
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Solve storage issues! ConvHEIF/JPG reduces photo size without quality loss. Use side-by-side zoom or toggle previews and check PSNR metrics to convert with confidence!
[Solve Storage & Sharing Issues! The Photo Converter for Quality Seekers]
"JPEG/HEIF Converter" easily converts photo formats on your iPhone, saving storage space and solving compatibility issues.
[Why Use This App?]
Save Space: JPEG to HEIF
Convert past JPEG photos to the next-gen HEIF format. Maintain quality while halving file size (up to 80% reduction depending on the photo!). Drastically free up your iPhone's storage.
*Note: Image quality cannot exceed the original source.
Share Anywhere: HEIF to JPEG
Solve HEIC compatibility issues—like failing to open on Windows PCs or upload to websites—by converting to the universally supported JPEG format.
Preview with Confidence
Worried about quality loss? Thoroughly check degradation and file size changes before converting. Use side-by-side or toggle previews, and verify PSNR (an objective image quality metric) to safely compress precious photos.
[Key Features]
[Single Image Mode]
Split View: Compare original and converted images side-by-side, zoomed in to check pixel-by-pixel details.
Toggle View: Switch between images in the exact same position to spot minute changes.
Measure Mode: Automatically tests multiple quality levels and graphs the optimal balance of file size and quality. Tap a point to preview and convert.
[Batch Conversion (Up to 3 images for free)]
Quality Priority (0.8): Preserves maximum visual beauty.
Size Priority (0.5): Drastically reduces storage space while maintaining reasonable quality.
[Other Useful Tools]
Swipe to Delete: Swipe left on the list to delete directly from your library.
Local Filters: Instantly toggle display of JPEG, HEIF, PNG, and TIFF formats.
PNG Settings: Choose to convert PNGs to either HEIF or JPEG.
Auto-Delete: Automatically delete original images after conversion to save space.
[Premium Plan (Annual)]
Unlock useful features for a more comfortable experience:
Batch Limit: Convert up to 50 images at once.
Dedicated Album: Auto-save converted images to a specific album.
Remove Metadata: Strip Exif data during conversion to protect privacy.
Remove Location: Swipe to easily delete location data (option to keep original available).
Ad-Free: Permanently hide all ads.
[Free User Bonuses]
Enjoy unlimited, completely ad-free conversions for the first 24 hours after installation!
Afterward, watch a video ad to get 5 minutes of ad-free use and fully unlocked features.
We hope this app helps you manage your photos comfortably—whether saving space for precious memories or quickly converting them for sharing. Download and try it today!
Privacy Policy: https://kawasuke.wixsite.com/kawasukestore/privacy-policy
EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
bug fix
The developer, Masashi Kawakami, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Masashi Kawakami
- Size
- 11 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- One-time Lifetime License $2.99
- Yearly plan Only Ads $0.49
- Yearly plan $3.99
- Copyright
- © 2026 kawasuke.store