Project Summary
Map Caps Lock key to Escape key, or any key to any key, on Windows systems.
- Map Caps Lock key to Escape key on a new Windows system with almost no effort. Just download and double-click. This is the primary reason why Uncap was written. It was written for users of vi editor who like to map their Caps Lock key to Escape key for convenience.
- Map any key to any key, multiple keys to other keys, or disable keys using command line arguments. No additional file or script is required.
- Enable, disable or modify key mappings without having to reboot the system.
- Disable key mappings easily by stopping Uncap.
- It is a single-file executable. It is very lightweight. The executable is about 72 KB in size. It occupies about 2 MB or less of memory, and negligible CPU while running.
In a Nutshell, Uncap...
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took an estimated 1 years of effort (COCOMO model)
starting with its first commit in September, 2015
ending with its most recent commit over 5 years ago
Quick Reference
MIT License
Permitted
Commercial Use
Modify
Distribute
Sub-License
Private Use
Forbidden
Hold Liable
Required
Include Copyright
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummaryJun 17 2026 — Jul 17 2026
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12 Month SummaryJul 17 2025 — Jul 17 2026
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