Tools That Work for You, Not the Cloud
DMKI Lab builds focused, privacy-first tools for creators, developers, and everyday work - running on your own devices across desktop, mobile, and watch. No accounts. No subscriptions. No data leaving your device.
Our Tools
Flagship
SoundWorks
The Creative AI Powerhouse
AI voice cloning, transcription, audio mastering, and video automation in one app - every feature runs locally on your own machine.
Windows
Learn more
Notepad#
A Developer's Notepad
A fast, modern text and code editor with syntax highlighting for 11 languages, live Markdown preview with math, and encrypted auto-save.
Windows
Learn more
Castiel Calculator
Six Calculators in One
Simple, scientific, engineering, financial, and programmable calculators sharing one editable, recomputing tape. Free simple and school modes.
Windows, macOS, Linux, iOS, Android, web & watch
Visit site
Why Choose DMKI Lab Tools?
Privacy by Default
No accounts, no telemetry, no tracking. Your files and your work stay on your device. What runs locally, stays local.
Runs on Your Devices
Desktop, mobile, and even your watch, depending on the tool. Powerful features that work offline, without a constant connection to the cloud.
Fair Pricing
Free or a small one-time price - never a subscription. No usage limits on the essentials, no premium tiers holding features hostage.
Built to Last
Native, efficient applications that respect your hardware. Actively developed and refined, with new tools joining the lineup over time.
Built for How You Work
For Musicians
Batch convert audio formats, normalize loudness for streaming platforms, extract stems, and master tracks - all with bit-perfect precision.
Learn more
For AI Content Creators
Automate video production at scale. Clone voices, generate narrations, and process hundreds of assets in bulk for high-velocity content pipelines.
Learn more
For Privacy-Conscious Users
Run powerful tools entirely offline. No accounts, no telemetry, no cloud dependency. Your files and data never leave your device.
Learn more
Latest from the Blog
tutorials
How to Clone Your Voice Locally with VibeVoice
A step-by-step guide to training a local voice model with VibeVoice in SoundWorks. No cloud services, no subscriptions, no data leaving your machine.
Feb 10, 2026 · 1 min read
tutorials
Batch Audio Processing in SoundWorks: A Complete Guide
Learn how to convert, normalize, and process hundreds of audio files at once using SoundWorks. This guide covers supported formats, workflow setup, and tips for getting the best results.
Feb 10, 2026 · 1 min read
devlog
Why Offline AI Matters More Than You Think
Cloud AI is convenient, but it comes with hidden costs. Here is why we built SoundWorks to run entirely offline, and why the industry is starting to agree.
Feb 5, 2026 · 1 min read
Start with Our Flagship, SoundWorks
Professional audio, video, and voice tools that run entirely on your machine. Download SoundWorks free and start creating today.
Download for Windows
v1.33.1 85 MB Windows 10, Windows 11