Tools
Small tools that run in your browser. Nothing you enter is uploaded.
Color contrast checker
Computes the contrast ratio of a text and background color and checks it against WCAG 2 AA and AAA.
CJK and Latin spacing
Adds a space where Chinese or Japanese text meets Latin letters or numbers.
Unix timestamp converter
Converts Unix timestamps in seconds or milliseconds to local and UTC dates, and dates back to timestamps.
Word counter (Chinese and English)
Counts Chinese characters, English words, numbers, punctuation and paragraphs, and estimates reading time.