Overview
Width control, font switching, themes, and reading improvements for claude.ai
ClaudeX gives you full control over how Claude.ai looks and feels. Themes, fonts, layout width, code block enhancements, and more — with instant live preview. THEMES 6 built-in presets with full syntax highlighting: - Default - Clean White - Dark Pro - AMOLED - Solarized - High Contrast Create your own custom themes using the Advanced CSS editor with guided variable prefill. TYPOGRAPHY 16 font families to choose from: - Inter - Roboto - Fira Sans - Nunito - IBM Plex Sans - Lexend - Lora - Merriweather - Caveat - Fredoka - Space Mono - OpenDyslexic - Atkinson Hyperlegible - JetBrains Mono - System Default - Claude Default (Serif) Adjustable font size from 12px to 24px. LAYOUT Adjustable content width from 768px to 1920px or full-width. READING ENHANCEMENTS - Colored left borders to distinguish your messages (blue) from AI responses (purple) - Rounded corners on message bubbles - Optional line numbers in code blocks SEARCH IN CHAT Cmd+Shift+F (Mac) / Ctrl+Shift+F (Windows) opens a floating search bar. - Searches all messages and artifact content in the current conversation - Results show source labels (You / Claude / Artifact) with context snippets - Click any result to jump directly to the match with highlighting - Works even for artifact content you haven't opened yet CONVERSATION EXPORT Export the current conversation as PDF (with syntax highlighting) or Markdown. - Available from the popup or via Cmd+Shift+X (Mac) / Ctrl+Shift+X (Windows) - Includes text messages, artifacts, thinking blocks, and tool use/results KEYBOARD SHORTCUTS - Cmd+Shift+F / Ctrl+Shift+F — search in chat - Cmd+Shift+X / Ctrl+Shift+X — quick export - Escape — close the right panel (or search/export dialog if open) - Alt+1 — expand right panel to full width - Alt+2 — resize right panel to half width STICKY BREADCRUMB When scrolling a markdown artifact in the right panel, a breadcrumb bar sticks to the top showing the current section path (e.g. "Introduction > Setup > Prerequisites"). Updates automatically as you scroll. ADVANCED - Custom CSS textarea for arbitrary overrides - Export and import settings as JSON - Master on/off toggle - Reset to defaults
Details
- Version0.2.0
- UpdatedMarch 12, 2026
- Offered byinkuramu
- Size133KiB
- LanguagesEnglish
- Developer
Email
inkuramu@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
