Media
1 item
Description
KOAL Sign Extension 格尔公司发布的插件，可以在Web端中实现选择证书、数字签名以及签名验证等一系列PKI基本功能，而且还支持国密SM系列算法标准。
1 item
KOAL Sign Extension 格尔公司发布的插件，可以在Web端中实现选择证书、数字签名以及签名验证等一系列PKI基本功能，而且还支持国密SM系列算法标准。
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.