Download MQTT Viewer

Free and open-source. Choose your platform — it installs in seconds, with no account or sign-up.

Download for Mac Download for Windows Download for Linux

MQTT Viewer is a free, open-source desktop MQTT client. The same app runs on macOS (Apple Silicon & Intel), Windows, and Linux (x86_64 & ARM64). Every download includes the full feature set — there are no paid tiers.

Prefer to build from source or read the release notes? Head to the GitHub repository.