RTL for Claude

Right-to-left languages that finally read right in Claude. Automatic RTL + the gorgeous Vazirmatn font. Zero setup.

English · فارسی · العربية · اردو

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Claude writes brilliant answers — but in right-to-left languages they spill out left-aligned and tangled. RTL for Claude fixes that in one click, and stays out of your way everywhere else.

😖 Without it	😍 With it
RTL replies come out left-aligned and broken	Every reply snaps right-to-left in a clean font
Your typing jumps around	The compose box flips live as you type
Mixed code & English look messy	Code stays code, English stays English

✨ Why you'll love it

• 🪄 Automatic — detects direction paragraph by paragraph. No buttons, no config.
• 🌍 Every RTL language — Persian, Arabic, Urdu, Kurdish, Pashto, Hebrew & more.
• 🔤 Beautiful typography — the bundled Vazirmatn font, with tunable size & spacing.
• ⌨️ Smart compose box — flips the moment you start typing.
• 🧩 Never breaks code — code blocks, diffs and terminals stay left-to-right.
• 🎛️ One-click override — a tiny toggle on any message for when you disagree.
• 🧠 Beyond Claude — also works on ChatGPT & Gemini.
• 🔒 Private by design — 100% local. No servers, no tracking, ever.

🚀 Install

Pick what you need — each part is its own self-contained download.

Browser — Chrome / Edge / Brave

1. Download the browser-extension folder.
2. Open chrome://extensions and turn on Developer mode.
3. Click Load unpacked and select the folder. Done. ✅

Browser — Firefox

1. Open about:debugging → Load Temporary Add-on.
2. Select browser-extension/manifest.json.

VS Code — Claude Code

From the Marketplace — search "RTL for Claude" (or open the listing), click Install, then run Developer: Reload Window.

Or install the .vsix — download rtl-for-claude-vscode-*.vsix from Releases and run Extensions → … → Install from VSIX….

No-install alternative: bash vscode-extension/apply-rtl.sh. Full guide: vscode-extension/README.md.

🎛️ Make it yours

Click the toolbar icon to fine-tune detection sensitivity, font, text size, line spacing, the per-message toggle, and which sites it runs on.

🔒 Privacy

No servers. No analytics. Nothing ever leaves your browser.

❤️ Credits

Powered by the open-source Vazirmatn font by Saber Rastikerdar (SIL OFL). Code under the MIT License.

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_{Made for everyone who thinks right-to-left.}