KeyCastr knowledge base

KeyCastr Guides for setup and better recordings.

Practical articles covering macOS installation, Input Monitoring, display settings, platform compatibility, GitHub source packages and common problems.

How to Use KeyCastr on Mac: Complete Setup Guide
Usage Guide

How to Use KeyCastr on Mac: Complete Setup Guide

Learn how to launch KeyCastr, select a visualizer, choose which keys appear and position the overlay for clear tutorials.

Read guide
KeyCastr Mac Installation: Download, Permissions & Setup
Installation

KeyCastr Mac Installation: Download, Permissions & Setup

Install KeyCastr on macOS with a trusted release or Homebrew, then enable Input Monitoring and configure the overlay.

Read guide
KeyCastr Windows Download: Is There a Native Version?
Compatibility

KeyCastr Windows Download: Is There a Native Version?

KeyCastr is a macOS project. Learn why there is no official Windows build and how to avoid misleading download pages.

Read guide
KeyCastr Linux Support: What Users Need to Know
Compatibility

KeyCastr Linux Support: What Users Need to Know

KeyCastr does not provide a native Linux build. Understand the technical limitation and select a Linux-specific overlay.

Read guide
KeyCastr Input Monitoring Permission on macOS
Privacy & Security

KeyCastr Input Monitoring Permission on macOS

Learn why KeyCastr needs Input Monitoring, how to enable it and how to reset a broken permission entry safely.

Read guide
KeyCastr Not Showing Keystrokes: Fix It Step by Step
Troubleshooting

KeyCastr Not Showing Keystrokes: Fix It Step by Step

Fix missing keystrokes by checking Input Monitoring, display modes, app copies, visualizers and off-screen positioning.

Read guide
Best KeyCastr Display Settings for Clear Tutorials
Settings

Best KeyCastr Display Settings for Clear Tutorials

Choose a visualizer, display mode, font size, colors and timing that remain readable in videos and presentations.

Read guide
Use KeyCastr for Screen Recording and Live Demos
Recording Workflow

Use KeyCastr for Screen Recording and Live Demos

Plan a readable keystroke overlay for tutorials, OBS scenes, workshops, presentations and live coding.

Read guide
KeyCastr GitHub Source Code: Download and Package Guide
Source Code

KeyCastr GitHub Source Code: Download and Package Guide

Understand what the KeyCastr GitHub main-branch ZIP contains and how it differs from a ready-to-run application release.

Read guide