Input behavior
Manage Left Shift, the Chinese/English key, Caps Lock, and conflicts caused by macOS input source settings.
Designed for macOS and Squirrel
Manage input behavior, the candidate window, schemas, and app rules. Understand changes before saving, keep a backup, and verify the result after applying.
Requires macOS 13 or later and an existing Squirrel installation. A Windows version is planned.

Everyday settings in one place
SquirrelSet does not hide how Squirrel works. It explains the current state, the pending changes, and the final result.
Manage Left Shift, the Chinese/English key, Caps Lock, and conflicts caused by macOS input source settings.
Adjust horizontal or vertical layout, themes, fonts, size, spacing, and candidates per page with a live approximation.
Review installed schemas and control which ones appear in the Squirrel menu and in what order.
Set selected Mac apps to open in Chinese, open in English, or keep the current Squirrel state.
Save related files together as complete configuration snapshots and restore them from one place.
Track saves, redeployments, and verification so you know whether a change actually took effect.
Live preview
Candidate layout, font size, pronunciation hints, and theme changes appear immediately in the preview. SquirrelSet writes and deploys only after you confirm.


Per-app control
Select an installed app and choose whether Squirrel should enter Chinese, enter English, or keep its existing state.
A clear save workflow
SquirrelSet does not overwrite everything blindly. It reads the active Squirrel configuration first and applies changes only after safety checks and backup.
Detect the Squirrel installation, active configuration directory, valid schemas, and possible YAML issues.
The interface shows a live approximation and pending state without writing when you click a control.
One action performs conflict checks, backup, safe writing, redeployment, and final result verification.
Local first
The current version requires no account, does not upload Squirrel configuration, dictionaries, or input content, and includes no advertising or behavior analytics.
Platform roadmap
The macOS version will be available through the Mac App Store. Windows will follow after independent adaptation and testing.
Built for Squirrel users on macOS 13 and later. Mac App Store release preparation is underway.
View macOS release status →Planned for Weasel users. Purchase and secure download will be available on this website after release.
Read the Windows plan →Frequently asked questions
No. SquirrelSet is an independent graphical configuration tool for Squirrel, which must already be installed on your Mac.
It changes only settings you explicitly confirm and creates a backup before writing. After saving, it reads the build result again to verify the outcome.
The current macOS configuration features require no account and do not upload your configuration, dictionaries, or input content.
The macOS version is being prepared for the Mac App Store. Formal Windows development will follow a stable macOS release.
See the macOS release status and system requirements.