Ensuring that a custom typeface is technically sound is a critical final step in the font creation process. Whether you are a professional typographer or a developer looking to integrate custom branding, the is the industry-standard tool for verifying that TrueType (TTF) and OpenType (OTF) files meet rigorous quality and performance standards. What is the Microsoft Font Validator?
While originally a proprietary tool, Microsoft open-sourced it in 2015, leading to a modern community-maintained version that supports cross-platform use on Windows, macOS, and Linux. Key Features and Testing Capabilities microsoft font validator download
Because the tool has evolved into an open-source project, there are two primary ways to download it: microsoft/Font-Validator - GitHub Ensuring that a custom typeface is technically sound
Generates a summary with "Red" (critical errors), "Yellow" (warnings), and "Blue" (passed) indicators to help you prioritize fixes. Includes tests for character maps, naming information, and
Checks if the font follows the latest TrueType and OpenType specifications.
Includes tests for character maps, naming information, and embedding permissions. How to Download Microsoft Font Validator