KeyViz

Keyviz visualizes keyboard and mouse actions in real time through a free, open-source tool.

github.com/mulaRahul/keyviz
KeyViz homepage screenshot

About KeyViz

Keyviz is an open-source, GPL-3.0 tool that shows keypresses and mouse actions on screen in real time for an audience. Windows and macOS builds come as installers; the Linux version uses X11 and is built from source.

Pricing is not clearly stated.

Key features

  • Visualizes normal keys and mouse combinations such as Cmd + Click or Alt + Drag
  • Displays mouse clicks and scroll wheel movements alongside the cursor
  • Changes colors for modifier versus regular keys, plus size, layout, border, and background
  • Filters which keys appear using hotkey or custom filters
  • Keeps a visual trail of recent inputs
  • Moves the visualization to any part of the screen
  • Customizes entry and exit animations with presets
Best for: People demonstrating shortcuts during tutorials, presentations, or collaborations where viewers need to follow input.
Watch out for
  • macOS requires Input Monitoring and Accessibility permissions.

KeyViz at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Linux, macOS, Windows
Details verified
Oct 22, 2026 · Official source
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

KeyViz alternatives

Tools and sites you could use instead, ranked by how closely they match.

All 24 alternatives

Raw Accel

github.com/RawAccelOfficial/rawaccel

Apply acceleration to mouse input in the raw input stream with Raw Accel, a driver for Windows.

Open source
24 alternatives

Popular in Hardware & Diagnostics

Well-known listings from the same topic.

All 137
Is something wrong or out of date?

Tell us and an editor will check it.

Own this website?

Claim the listing and suggest updates yourself. An editor checks every claim first.

Claim this listing