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- Good programming fonts improve code readability, reduce fatigue, and help spot bugs faster.
- Key features of a great coding font include clear character distinction, comfortable spacing, readable punctuation, and reliable rendering at small sizes.
- The guide covers 13 coding fonts: JetBrains Mono, Berkeley Mono, Geist Mono, Fira Code, Cascadia Code, IBM Plex Mono, Iosevka, Monaspace, Hack, Source Code Pro, Victor Mono, Commit Mono, and Maple Mono.
- JetBrains Mono is recommended as the overall best, with Geist Mono as best free, Fira Code for ligatures, Cascadia Code for terminals, and Iosevka for compact layouts.
- Font size recommendations vary by display: 14-15 px for 1080p, 15-16 px for 1440p, 16-18 px for 4K, and 15-17 px for ultrawide; line height between 1.4 and 1.6 is advised.
- Ligatures are a personal preference; they can make operators easier to recognize but may hide character shapes, and most editors allow toggling them.
- The best font is one that becomes invisible during work; test fonts with real code in your actual editor and terminal before deciding.