Reclaim iPhone Storage.
Zero Visible Loss.
释放 iPhone 宝贵存储
肉眼无损 · 发丝级画质
Hardware-accelerated compression for 4K/HDR videos, Live Photos, and large photos. Free up 50%~80% space in seconds without compromising your visual memory.
专为 iOS 深度打造的硬件加速压缩神器。智能压缩 4K/HDR 视频、实况照片（Live Photo）及单反大图，净省 50%~80% 手机空间。
See the Incredible Reduction.
眼见为实的瘦身实力
Built-in interactive split-slider compare viewer. Inspect hair-strand details side-by-side with synchronized frame playback before saving.
内置独家交互式卷帘对比查看器。拖动手柄秒切原片与压缩后画面，同步同帧播放，发丝细节清晰可见，放心替换原片。
Engineered for iOS Power Users
专为苹果设备定制的核心能力
Professional compression algorithms optimized for Apple Silicon.
深度发挥 Apple 硬件加速芯片性能，快、准、稳。
4K & HDR Hardware Boost
4K / HDR 硬件极速压制
Native hardware-accelerated HEVC pipeline. Retains wide color gamuts and HDR brightness while reducing gigantic file sizes by half or more.
调用 iOS 底层硬解编码管线，完整保留 HDR 高动态对比度与广色域，告别发烫，大视频极速轻盈瘦身。
Live Photo Dual-Track Slimming
实况照片（Live Photo）双轨瘦身
Intelligently splits and recompresses both photo and paired video tracks without breaking the Live Photo asset linkage in your Photos library.
独创动静双轨分离压缩技术，同时对高清底片与关联微视频瘦身，保持系统相册配对，动态效果与音频丝毫不减。
Interactive Split-Slider Compare
左右卷帘对比与微距放大
Inspect fine details with side-by-side curtain slider and pinch-to-zoom. Toggle synchronized playback with zero latency.
拖动卷帘手柄无缝切换原图与压缩后画质，支持双指自由缩放至微观像素，清晰度经得起最严苛的眼睛挑剔。
Absolute Privacy Guarantee
纯本地离线 · 零云端上传
No registration, no accounts, and no background network transmission. All media stays strictly sandboxed on your device.
无强制账号登录，无需网络连接也能畅快压缩。您的每一张珍贵照片和私密视频均 100% 封闭在本地沙盒。
Target Size & EXIF Retention
指定文件大小 & EXIF 完整保留
Precise KB-level target output for forms and submissions. Keeps original shooting date, time, and GPS location intact.
支持一键指定压缩至 200KB、500KB、1MB 以内（考试报名首选），完整保留拍摄时间戳与地理位置信息。
Background Queue Management
后台批量平滑队列
Batch select dozens of videos or photos into a low-power background queue. Lock your screen or switch apps while Slimr works smoothly.
批量勾选数十个大文件加入排队，微队列平滑消费，锁屏或切到后台依然稳健处理，告别发烫死机。