Converter

Convert between Mandarin and written Cantonese (嘅、咗、喺、佢) — basic dictionary version.

Convert Chinese between Simplified, Traditional, Taiwan and Hong Kong variants — all 8 OpenCC modes.

Convert data storage units

Date arithmetic + day of week

Days/months/years between dates

Convert between KB, MB, GB, TB

Convert between Mainland Mandarin (普通话), Malaysian Mandarin (马来西亚华语) and Singaporean Mandarin (Singdarin) — with loanwords, particles, and Cantonese-influenced word order.

HH:MM:SS arithmetic + decimal

Convert times across ASEAN and global timezones — perfect for remote teams and international meetings.

Convert between tokens, words and characters for LLM prompts

Convert length, weight, temperature, area, volume and speed — instantly, free.

ISO 8601 + US week numbering