⌄
Drop it into the notch.
The compact island expands only when you bring files to it, then shrinks into a progress view while the job runs.拖入刘海，展开设置；开始后自动回缩并展示进度。
Local media converter for macOS · macOS 本地格式转换工具
FileIsland
Drop images, video, audio, or an entire folder into your MacBook notch. Choose the result, then let File Island convert everything locally. 把图片、视频、音频或整个文件夹拖到 MacBook 刘海区域，选择目标格式，然后在本地完成转换。
macOS
$
brew install --cask treafree/tap/file-island
- Files stay on your Mac
- FFmpeg included
- English & 简体中文
Drop files here · 拖到这里
↓ Images · Video · Audio
HEIC→JPEG
MOV→MP4
MP3→M4A
Folder→Batch
Why File Island · 为什么选择它
A converter that stays out of your way.
File Island turns the top of your Mac into a practical drop target. It handles everyday media without sending private files to a website or asking you to learn command-line flags.
∞
Mix files in one folder.
Images, video, and audio are grouped by type, so one folder can keep separate settings for every media family.混合文件夹会按图片、视频和音频分别设置，一次批量处理。
⌁
Keep the work local.
No account and no upload. The app ships with its conversion runtime and saves results to the output folder you choose.无需账号，无需上传，也不用额外安装转换依赖。
See the workflow · 实际操作
One folder.
Three media types.
Drop a mixed folder, switch between the image, video, and audio groups, then start one coordinated batch. 拖入一个混合文件夹，分别设置图片、视频和音频参数，然后一次完成整批转换。
Mixed-folder workflow11 sec demo
Built for everyday files · 覆盖常用场景
Convert, compress, or split.
Choose explicit output formats and quality controls for images, video, and audio. Eligible H.264 videos can also be split at safe keyframes for easier sharing.
Images · 图片
JPEG, PNG, HEIC, HEIF, WebP, and TIFF workflows with quality, dimensions, target size, and metadata controls.
Image conversionDemo
Video · 视频
High-compatibility H.264 MP4 conversion, resolution and target-size choices, plus fast keyframe splitting.
Video conversion + splitDemo
Audio · 音频
Turn supported audio into M4A, WAV, FLAC, or AIFF without downloading a separate conversion runtime.
Audio conversionDemo
Settings · 设置
Keep one output folder, choose a language and appearance, launch at login, or copy a single result to the Clipboard.
Settings tourDemo
Make the notch useful.
Download File Island for macOS 15 or later. The current release is unsigned and may require right-clicking the app and choosing Open once.