존댓말 is a free Chrome browser add-on developed byIt falls under the category of Browsers and is specifically categorized as an Add-ons & Tools subcategory. The program aims to convert the endings of comments on Naver, a popular Korean website, into polite speech forms.

With 존댓말, the ending particles in Naver comments are transformed into polite speech forms. For example, the ending "해라" would be changed to "하세요". Additionally, this add-on also hides the characters "ㅋ" and "ㅉ" commonly used to express laughter or excitement. Moreover, offensive words like "새끼" and "놈" are converted to the more respectful term "님".

It is important to note that 존댓말 should not be taken too seriously as it offers basic functionality similar to a "find and replace" feature. The add-on may have some limitations, but it serves as a lighthearted tool for those who prefer more polite language in online discussions. Thank you.