Fluffy Flash

Languages: English · Русский

Fluffy Flash is a native macOS app (SwiftUI) for creating bootable installer USB drives. Four modes in one app:

Mode	What it does
Windows	UUPDump → build ISO → bootable FAT32 USB (wimlib split)
macOS	Apple installer catalog via mist → download → createinstallmedia to USB
Linux	Live catalog (Fedora, Ubuntu, Mint, Debian, openSUSE, Rocky, Bazzite, …) → download ISO → dd to USB
ChromeOS	Google recovery.conf catalog → download recovery ZIP → unpack → dd to USB

In release builds, users typically don’t need Homebrew — CLI tools are bundled inside the .app (with third‑party attribution and notices). In-app updates use Sparkle (Settings → Check for updates…).

What's new

Latest: 0.3.0 — ChromeOS recovery USB mode, improved error logs and Try again on failed runs, download fix for Google CDN. Use Settings → Check for updates… from 0.2.1 or older. Details: FluffyFlash/docs/RELEASE-NOTES-0.3.0.md.

0.2.1 — hotfix for startup crash on macOS 26. Older: Linux USB one-click — RELEASE-NOTES-0.2.0.md.

Features

• Windows: UUP → ISO (convert.sh), ISO → USB, sidecar metadata, upgrade cards, USB Doctor
• macOS: installer list, download + write USB, upgrade detection for Fluffy-formatted sticks
• Linux: catalog refresh, SHA-256 verified downloads, parallel multi-stick writes, ESP sidecar metadata, upgrade re-flash
• ChromeOS: official recovery catalog, SHA-1/MD5 verification, resumable downloads, sidecar metadata, upgrade detection
• Shared: Library (cache, history, guides), privileged helper for disk operations, optional Finder volume icons
• Updates: Sparkle appcast — signed ZIP from GitHub Releases
• Compliance: FluffyFlash/THIRD_PARTY.md, THIRD_PARTY_NOTICES.txt

Requirements

• macOS 26.0+ (see MACOSX_DEPLOYMENT_TARGET in Fluffy Flash.xcodeproj).
• Architecture: universal builds (Apple Silicon + Intel) when distributed as a notarized Release from the project maintainer.

Download

Stable builds: https://github.com/zeroman27/FluffyFlash/releases/latest (.dmg or .zip).

Already installed? Open the app → Settings → Check for updates…

Screenshots

Images live under docs/images/ (export tips: docs/images/README.md).

Build from source

See FluffyFlash/README.md.

Quick notes:

• Xcode: FluffyFlash/Fluffy Flash.xcodeproj, scheme FluffyFlash
• Faster iteration: WIST_SKIP_TOOL_BUNDLE=1 xcodebuild ...

Release / signing / notarization: docs/RELEASING.md, FluffyFlash/docs/Sparkle.md, FluffyFlash/docs/Signing.md.

FAQ / Troubleshooting

See docs/FAQ.md.

Repository layout

• FluffyFlash/ — Xcode project, app sources, scripts, third‑party inventory
• docs/ — maintainer docs and README assets
• ObsidianVault/ — internal notes (not required to build)

Contributing

See CONTRIBUTING.md.

License

Source: Apache License 2.0 — LICENSE.

Bundled third‑party components: FluffyFlash/THIRD_PARTY.md, FluffyFlash/THIRD_PARTY_NOTICES.txt.

Security

The app performs disk operations and network downloads by design; sandboxing is limited for USB workflows. Disclosure: SECURITY.md.