gasblender by videosub

GasBlender is a gas mixture calculator for technical diving. It helps you prepare your Nitrox and Trimix cylinders accurately, quickly, and safely, directly from your phone.

Designed for technical divers and cylinder refill technicians, the app works entirely offline: no account, no ads, no tracking. All your data stays on your device.

MAIN FEATURES

- Nitrox and Trimix mix calculation
- Partial pressure and top-up methods
- Inverse mode: calculate the resulting mix based on what you add
- Multi-cylinder management
- Management of your available gas sources
- Mixture templates for your usual recipes
- Fill history with CSV export
- Cost estimation for each mix
- Cylinder identification via QR code

SAFETY

- Automatic PPO2 warnings
- Maximum Operating Depth (MOD) calculation
- Equivalent Narcotic Depth (END) calculation

USER-FRIENDLY

- Available in multiple languages
- Metric and imperial units
- Light and dark themes
- Works 100% offline
- Free and open-source application

PRIVACY

GasBlender does not collect any personal data. No information is sent to a server, no advertising, and no tracking tools are used. Your history, blocks, and settings are stored solely on your device.

WARNING

GasBlender is a calculation aid intended for divers trained and certified in gas mixing and diving techniques. Always verify your mixtures with a calibrated oxygen analyzer before each dive. This application does not replace proper training or the final verification of your gas mixtures. Technical diving involves risks: you remain solely responsible for your mixtures and your dives.