Frontend Code Internationalization Chinese Checker

About Chinese Checker

This tool scans code or plain text for Chinese characters. It helps you locate non-localized content in multilingual projects.

Key Features

• Chinese Detection: Finds common CJK Chinese characters and their line locations.
• Result Preview: Shows matched lines, line numbers, and snippets.
• Highlighting: Highlights matched Chinese fragments for quick fixes.
• Sample Loader: Loads a demo snippet to test the workflow.
• Copy Results: Copies scan output as text for team collaboration.

Steps

1. Paste code or text into the input area.
2. Click the check button.
3. Review matched items with line numbers and preview.
4. Update your source and run again until no matches remain.

Use Cases

• Auditing UI text before i18n rollout.
• Verifying backend response messages.
• Pre-release checks for SDK, plugins, and scripts.

FAQ

Is my content uploaded?

No. Processing is done locally in your browser by default.

Why are some characters not detected?

Make sure your input actually contains visible Chinese characters. For uncommon Unicode forms, normalize text before scanning.