Split Thai on any webpage — without leaving it.
The Thai Word Splitter extension brings word splitting and translation directly to every website you visit. Select any Thai text, right-click, and a floating panel appears instantly — no copy-pasting, no switching tabs.
Download ExtensionChrome Web Store submission coming soon. For now, install manually — takes about two minutes.
What it looks like
วันนี้อากาศในกรุงเทพฯผมอยู่แถวนี้ไม่ไกลจากร้านกาแฟที่เราไปเมื่อวาน
Three ways to use it
Right-click any selected text
Select Thai text on any webpage, right-click, and choose Split Thai words from the context menu. The floating overlay appears near your selection with word cards and a full sentence translation.
Keyboard shortcut
Select Thai text and press the keyboard shortcut to split it instantly — no right-click needed. Perfect for power users reading Thai content regularly.
You can change the shortcut in Chrome at chrome://extensions/shortcuts
Extension popup
Click the ก icon in your Chrome toolbar to open the full popup tool — identical to the website. Paste any Thai text and get split words with translation, with a copy button to paste it wherever you need.
How to install
The extension is currently in beta and available directly from GitHub. The Chrome Web Store submission is in progress — once approved, installation will be one click.
Download the extension files
Click the Download Extension button above and unzip the file somewhere on your computer. That's your extension — no build step needed.
Open Chrome Extensions
In Chrome, go to chrome://extensions (paste this into your address bar and press Enter).
Enable Developer Mode
Toggle on Developer mode in the top-right corner of the Extensions page.
Load the extension
Click Load unpacked, then navigate to and select the extension-dist/ folder inside the project. The Thai Word Splitter icon will appear in your toolbar.
Pin it to your toolbar
Click the puzzle piece icon in Chrome's toolbar, find Thai Word Splitter, and click the pin icon so it's always visible and one click away.
What happens to your text
Word splitting is done entirely on your device using BudouX — an offline machine learning model. The text you select is never sent anywhere for splitting.
Requirements
http:// or https:// website
chrome:// pages, the Chrome Web Store, or PDF files
Enjoying the extension?
Thai Word Splitter is free and open source. If it's making your Thai reading easier, a coffee keeps the project going and helps fund the Chrome Web Store submission.