Text Style Checker

Detect fullwidth alphanumeric characters, fullwidth spaces, and halfwidth katakana on any webpage.

As of June 2026, Text Style Checker has users in the Productivity category.

Usersno change0%
Ratingno change0%
— reviews
Reviewsno change0%
Version
0.1.0
Manifest V3

Permissions & access

Permissions
activeTabscripting
Host access
None declared

Screenshots

Text Style Checker screenshot 1Text Style Checker screenshot 2

About

Catch text style inconsistencies, automatically.

A Chrome extension that detects fullwidth/halfwidth character inconsistencies in CJK text on any webpage. Catch the issues that are easy to miss by eye.

Perfect for:
• Pre-publish QA on CJK (Japanese, Chinese, Korean) content
• Verifying translated Japanese text uses consistent character forms
• Ensuring product descriptions maintain uniform text style
• Batch-checking pages before release for style violations

Detection Rules:
• Fullwidth Alphanumeric — Finds fullwidth letters and digits (e.g. A–Z, 0–9) that should typically be halfwidth
• Fullwidth Spaces — Spots fullwidth spaces hidden in text, preventing inconsistent spacing
• Halfwidth Katakana — Identifies halfwidth katakana (e.g. アイウ) that should typically be fullwidth

Key Features:
• One-click scan of the current page
• Each issue shown with surrounding context for easy identification
• Per-rule summary with detection counts
• Works on any webpage — CMS, e-commerce, documentation, etc.

Privacy:
• No data is ever sent to external servers
• All processing happens entirely in your browser
• No personal information or cookies are collected

Technical

Version
0.1.0
Manifest
V3
Size
7.72KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
hkfmdjcafacnjeehngdpjffllmcemgnf
Developer ID
ucb922fa51ed12423a0de0c740bfbb4ee
Developer Email
[email protected]
Created
Mar 17, 2026
Last Updated (Store)
Mar 17, 2026
Last Scraped
Jun 8, 2026
Website
smallwins.biz

Similar extensions

Alternatives to Text Style Checker, ranked by description similarity.

Data sourced from the Chrome Web Store · last verified Jun 8, 2026.