RTLY — RTL & Font Tool for AI Chats EN

RTLY makes Persian, Arabic, Hebrew, Urdu and other right-to-left text readable on AI chat sites.

Most chat sites are built for left-to-right text. In a Persian answer the lines hug the wrong side, punctuation lands in the wrong place, mixed English and Persian sentences are scrambled, and the default font is often a poor fit. RTLY fixes this on the page.

WHAT IT DOES
• Looks at each message and, if it is mostly right-to-left script, sets the direction to right-to-left. English messages stay left-to-right.
• Keeps the lists, headings and tables of one answer on one side, and keeps code and formulas left-to-right.
• Applies a bundled Persian or Arabic font (Vazirmatn by default, chosen in the settings) to text that contains Arabic-script characters, including sidebar text. English text keeps the site's font.
• Keeps the composer (the box where you type) in automatic direction, so each line follows the language you type in.
• Leaves code blocks, icons, menus and sidebars alone.
• Copies selected Persian text with a right-to-left mark so it keeps its direction when pasted.

CONTROLS
• A switch for each site, in the popup, on the settings page, in the right-click menu, and with the shortcut Alt+Shift+R (you can change it in your browser's shortcut settings).
• Three modes per site: Full (font and direction), Font only, RTL only. Changes apply to open tabs without a reload.
• Font size from 85% to 120%.
• A setting for lines that mix Persian and English: balanced, or prefer right-to-left.
• A settings page with a live before/after preview and a table of all sites.
• Light and dark themes and four color palettes.
• Interface in 15 languages: English, Persian, Arabic, Hebrew, Urdu, Pashto, Central Kurdish, Sindhi, Uyghur, Yiddish, Western Punjabi, South Azerbaijani, Saraiki, Balochi and Kashmiri.

SUPPORTED SITES
ChatGPT, Claude, Gemini, Perplexity, Microsoft Copilot, Google AI Studio, NotebookLM, Grok, Poe, Z.ai, DeepSeek, Qwen, Bing, Mistral, Hugging Face Chat and Cohere. RTLY does nothing on any other site.

YOUR DATA STAYS WITH YOU
RTLY has no server, no account, no analytics and no ads, and it makes no network requests. It reads the text on the supported pages only to decide its direction, and it never stores or sends that text. Your settings are saved in your browser on your device.

LIMITS
Sites change their page structure without notice. When that happens RTLY can stop working on a site until it is updated. If you find a site that looks wrong, please report it on GitHub. Some interface translations are still partly in English.

FREE AND OPEN SOURCE
RTLY uses the MIT license.
User guide: https://ehsanenaloo.github.io/RTLY/
Source code: https://github.com/ehsanenaloo/RTLY
Privacy policy: https://ehsanenaloo.github.io/RTLY/privacy.html