Ioskeley Mono Documentation

Ioskeley Mono provides specialized variants for specific rendering needs:

Term variant (Ioskeley Mono Term)

Uses spacing = "term", which constrains every glyph to its cell boundary. Use this if arrows (→ ← ↑ ↓), box-drawing characters, or ligatures render incorrectly in your terminal (e.g., in kitty or Ghostty). The glyph design is identical to the standard variant; only the spacing changes.

NL variant (Ioskeley Mono NL)

Has all ligature substitutions disabled. Use this in applications that cannot toggle ligatures off (e.g., Xcode). All other metrics, weights, and glyph shapes remain identical to the standard variant.

To install Ioskeley Mono, download the latest release from the Releases page.

Installation Steps

1. Download and unzip your chosen file.
2. Open the width and hint folder that matches your setup.
3. Select all .ttf files and install:
   • macOS: Double-click any font → Install Font, or drag all into Font Book.
   • Windows: Select all → right-click → Install for all users.
   • Linux: Copy to ~/.local/share/fonts/ then run fc-cache -fv.

Ioskeley Mono is a configuration of Iosevka. To build it locally, you must clone both the Ioskeley Mono configuration and the Iosevka repository, then run the Iosevka build process.

git clone https://github.com/ahatem/IoskeleyMono.git
git clone --depth 1 https://github.com/be5invis/Iosevka.git

cp IoskeleyMono/private-build-plans.toml Iosevka/
cd Iosevka
npm install
npm run build -- contents::IoskeleyMono contents::IoskeleyMonoTerm

Output will be located in Iosevka/dist/IoskeleyMono/ and Iosevka/dist/IoskeleyMonoTerm/.

Choose the appropriate .zip file based on your environment and requirements:

Recommendation: If you are unsure, start with IoskeleyMono.zip.

Ioskeley Mono supports a full weight axis across all widths. Use the following CSS values to specify weights: