VideoCompressor: Black Encoder
Resize Video & Save Storage
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Solve the "Storage Full" iPhone warning instantly!
"Black Encoder" is a video compression and resizing app that drastically reduces file sizes by optimizing the balance between image quality and storage space.
Just select a video and choose your compression level. No complicated settings required—free up your iPhone's storage in seconds.
◆ Unbelievably Simple Operation & Flexible Settings
・Simply choose from 4 clear levels: "High Quality," "Medium-High," "Standard," and "Max Compression." No technical jargon (like H.264 or bitrates) needed.
・【Social Media Ready & Target Size】 Includes dedicated presets for sending via Discord (10MB) and WhatsApp (16MB). You can also set a custom "Target Size."
・Supports highly versatile MP4 and MOV output formats.
◆ 100% On-Device Processing
Your precious memories and private videos are never sent to external servers. All encoding is done safely and entirely within your iPhone, meaning zero risk of data leaks.
◆ Instantly Spot Storage Hogs (Sort by Size)
View the videos in your camera roll sorted from largest to smallest. See at a glance which videos are taking up the most space, so you can efficiently organize and compress them.
◆ Pro Options for Every Need
・【Keep Location Data】 Retain map metadata to know exactly where a video was shot, even after compression.
・【Remove Audio】 Strip the sound from your video to shave off even more file size.
・An intuitive, eye-friendly interface designed specifically for Dark Mode.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What's New in This Version
• Improved Pro (One-Time Purchase) Status Display
Enhanced synchronization with the App Store to accurately reflect your purchase status. The status is also re-checked automatically when you return to the app.
• Smoother Batch Compression
When compressing multiple videos at once, the process will now continue even if some videos fail. You can see the total number of failures after completion.
• Better "Sort by Size" Experience
You can now see the loading progress while sorting, even if you have a massive video library.
• Quick Access to Settings on iPhone
The Settings button is now always visible, allowing you to instantly access quality and option adjustments.
• Enriched Pro Purchase Screen
Added a link to the Privacy Policy and a clear explanation regarding the one-time purchase.
• VoiceOver & Accessibility Support
Added accessibility labels and descriptions to major buttons and menus for screen readers.
• Other
General stability improvements and internal optimizations.
The developer, NAGAKAWA MASAHIKO, 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
Data Not Linked to You
The following data may be collected but it is not 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
- NAGAKAWA MASAHIKO
- Size
- 6.6 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 8 more
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Traditional Chinese, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Black Pro - Unlimited & Ad-Free $2.99
- Copyright
- © 2026 masahiko nagakawa
