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Fonts

Font settings control the typeface and size used in the translation grid and the companion tabs.

What you can change

  • Font family – any font installed on your system; the dropdown shows available fonts
  • Font size – point size for the grid; companion tabs use the same family at their own size
  • Global UI font scale – a single slider that scales every UI element (menus, tabs, settings, Chat panel, Clipboard history, SuperLookup, status bar) at once

Choosing a font

  • For general translation work, a clear humanist sans-serif (Segoe UI, Inter, Calibri) keeps long sessions comfortable
  • For technical or code translation, a monospaced font (Consolas, JetBrains Mono) can help align numbers and symbols
  • For right-to-left languages (Arabic, Hebrew), choose a font with good RTL glyph coverage

Global UI font scale (Retina / high-DPI displays)

Settings → AI Settings → 🖥️ Global UI Font Scale holds a single slider (50%–200%, default 100%) that scales the entire application UI – not just the grid. Useful when you find Qt’s defaults uncomfortably small on a MacBook Retina screen, a 4K monitor, or any high-DPI display.

The slider covers:

  • The grid (segment numbers, type column, source and target text)
  • Companion tabs (Clipboard 3-column tree, SuperLookup web resources, Voice command table, Chat panel)
  • QuickTrans always-on-top popup
  • Tabs, settings panels, AI tools, status bar, menus
  • Termbase and TM panes

Apply the change with the Apply button next to the slider; most areas update immediately. Lazy-constructed widgets (Clipboard, SuperLookup, Voice) pick up the new size when they are next opened, so switch away from a companion tab and back once after changing the slider.

If you’ve also customised the grid font size (above), that value still applies on top of the scale – so a 12 pt grid font at 150% renders at 18 pt. Grid zoom (Ctrl+= / Ctrl+-) continues to work at any scale.

Tips

  • Font changes apply immediately in the grid – no restart needed
  • If glyphs for a specific language appear as boxes, install a font with full Unicode coverage for that script (Noto Sans is a good all-rounder)
  • On a 4K or Retina display, try 125% or 150% UI scale before reaching for individual font-size sliders – it keeps every panel proportional
  • The QuickTrans popup’s header controls (🔍 Run in SuperLookup, ⚙ Settings) deliberately don’t scale with the slider, because they live in fixed-size buttons and scaling the glyph alone would overflow them