A Markdown editor for Windows with rich preview, full-text search, autosave, and crash recovery.
Sumifold is a Markdown editor for Windows featuring rich preview (Mermaid, KaTeX,
Shiki syntax highlighting, Graphviz), workspace-wide full-text search, atomic
autosave with crash recovery, local Git integration, a command palette, in-editor
formatting, and a plugin system. This release is unsigned.
| Publisher | Takeshi Arai |
|---|---|
| Version | 1.0.0 |
| Release date | 2026-08-17 |
| License | Proprietary |
| Installer type | nullsoft |
| Architecture | x64 |
| Package ID | Takeshi.Sumifold |
| Requirements | Windows 10 or later |
| Install scope | Current user |
winget install --id=Takeshi.Sumifold -ewinget upgrade --id=Takeshi.Sumifold -ewinget uninstall --id=Takeshi.Sumifold -e"Sumifold_1.0.0_x64-setup.exe" /SSumifold is proprietary software from Takeshi Arai. Check the publisher's license terms for pricing and usage rights.
The latest version is 1.0.0, released on Aug 17, 2026.
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with a6efba1850eb59b76252d011873ccb34e025e7428d759c791ad8f7beb2049e17.
Sumifold requires Windows 10 or later and is available for 64-bit (x64) systems.
Run the offline installer with "Sumifold_1.0.0_x64-setup.exe" /S, or install it with Windows Package Manager: winget install --id=Takeshi.Sumifold -e --silent.
Open Settings › Apps › Installed apps, find Sumifold and select Uninstall. From the command line, run winget uninstall --id=Takeshi.Sumifold -e.
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