Free Online Utils Tools

├── 2FA - Authenticator app ALT 2FA is a local authenticator app for setup keys, QR images, otpauth links, and encrypted backups. Generate 2FA codes in your browser.

├── File Manager A dual-panel file manager that runs in your browser. Open folders from your own disk, then copy, move, rename, and delete files, with everything happening on your device.

├── Music Visualizer A free real-time music visualizer that turns any song or your microphone into reactive spectrum, waveform and particle visuals plus relaxing ambient modes like aurora, nebula and flow fields. Runs fully in your browser, nothing uploaded.

└── Workflow Build visual workflows and flowcharts on an infinite canvas. Map tasks, decisions, and dependencies, all running locally in your browser with nothing uploaded.