HDR Transformer is made and published by 栋 张. AppBrain is an independent app data site and isn't affiliated with 栋 张. The app name, icon, screenshots and description belong to 栋 张 and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- April 9, 2026
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Releases
Updates seen on the App Store- Version
- 1.2.0
- Launched
- March 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- $9.99
- App size
- 60.7 MB
- Content rating
- Everyone
Technologies used by HDR Transformer
About the app and developer
About HDR Transformer
HDR Transformer is a photo & video app developed by 栋 张.
What is the rating of HDR Transformer?
HDR Transformer has no ratings yet.
Is HDR Transformer free?
HDR Transformer costs $9.99. The app size is 60.70 MB. The latest version available is 1.2.0. The last update was on April 9, 2026.
What are the requirements for HDR Transformer?
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for 栋 张
Address:
Store listing
By 栋 张, from the App Store
Screenshots by 栋 张, from the the App Store listing
Description by 栋 张 Written by the developer, not by AppBrain. Click to read.
HDR Converter is a derivative product of the Prismatik app, designed to create a professional, easy-to-use, clean, and aesthetically pleasing HDR simulation and conversion tool.
HDR Converter provides professional-grade HDR processing tools—from the brilliant transformation of SDR to HDR, to seamless conversion between multiple HDR formats—all completed offline on your device with 100% privacy protection. It is also optimized for Xiaohongshu (RedNote), making your posts stand out.
Core Features
---
HDR Simulation — Breathe New Life into Every Image
Whether it's digital photography, classic artwork, or AI-generated content, HDR Simulation infuses images with realistic brightness and tonal depth. Built on Apple's official HDR Gain Map pipeline with targeted optimizations, it ensures every exported HDR photo has accurate luminance mapping and full metadata support.
Smart Algorithm, One-Tap Simulation: Default parameters are automatically calculated based on in-depth image analysis, preserving natural light relationships while enhancing depth, luster, and spatial presence.
Professional Manual Controls: Three core parameters—Highlight Boost, Highlight Range, and Peak Headroom—are provided, adhering to professional photography standards to reshape light with precision, not brute-force brightening.
Platform-Specific Optimization: Tailored for Xiaohongshu (RedNote) and Instagram, ensuring your HDR work retains its stunning visual impact after upload.
Efficient Batch Processing: Supports multi-task queue management, allowing you to add photos at any time and export individually or in batches.
---
HDR Conversion — Break Down Format Barriers
Say goodbye to HDR format incompatibility. HDR Converter fully supports bidirectional conversion across all major HDR standards.
Supported formats include:
Apple HDR (HEIF / JPEG): Perfectly compatible with the Apple ecosystem.
Apple HDR (Compatible/HEIF): Optimized specifically for platforms like Xiaohongshu (RedNote), solving the issue of HDR loss after upload.
ISO Gain Map (HEIF): A universal mapping standard compliant with international specifications.
ISO HDR (PQ / HLG): Covers both broadcast-grade and consumer HDR standards—for example, .hif (HLG) files from Nikon Z cameras can be converted to Apple HDR (Compatible/HEIF) and shared directly to Xiaohongshu.
All conversion processes preserve original metadata and support both Display P3 and sRGB color gamuts, meeting every need from professional review to social sharing.
---
Privacy & Security
We adhere to a strict "data localization" policy. All image processing is completed offline on your device—no uploads of any kind, no tracking components. Your work stays yours.
HDR Converter provides professional-grade HDR processing tools—from the brilliant transformation of SDR to HDR, to seamless conversion between multiple HDR formats—all completed offline on your device with 100% privacy protection. It is also optimized for Xiaohongshu (RedNote), making your posts stand out.
Core Features
---
HDR Simulation — Breathe New Life into Every Image
Whether it's digital photography, classic artwork, or AI-generated content, HDR Simulation infuses images with realistic brightness and tonal depth. Built on Apple's official HDR Gain Map pipeline with targeted optimizations, it ensures every exported HDR photo has accurate luminance mapping and full metadata support.
Smart Algorithm, One-Tap Simulation: Default parameters are automatically calculated based on in-depth image analysis, preserving natural light relationships while enhancing depth, luster, and spatial presence.
Professional Manual Controls: Three core parameters—Highlight Boost, Highlight Range, and Peak Headroom—are provided, adhering to professional photography standards to reshape light with precision, not brute-force brightening.
Platform-Specific Optimization: Tailored for Xiaohongshu (RedNote) and Instagram, ensuring your HDR work retains its stunning visual impact after upload.
Efficient Batch Processing: Supports multi-task queue management, allowing you to add photos at any time and export individually or in batches.
---
HDR Conversion — Break Down Format Barriers
Say goodbye to HDR format incompatibility. HDR Converter fully supports bidirectional conversion across all major HDR standards.
Supported formats include:
Apple HDR (HEIF / JPEG): Perfectly compatible with the Apple ecosystem.
Apple HDR (Compatible/HEIF): Optimized specifically for platforms like Xiaohongshu (RedNote), solving the issue of HDR loss after upload.
ISO Gain Map (HEIF): A universal mapping standard compliant with international specifications.
ISO HDR (PQ / HLG): Covers both broadcast-grade and consumer HDR standards—for example, .hif (HLG) files from Nikon Z cameras can be converted to Apple HDR (Compatible/HEIF) and shared directly to Xiaohongshu.
All conversion processes preserve original metadata and support both Display P3 and sRGB color gamuts, meeting every need from professional review to social sharing.
---
Privacy & Security
We adhere to a strict "data localization" policy. All image processing is completed offline on your device—no uploads of any kind, no tracking components. Your work stays yours.