All tools

Format, validate and beautify JSON data with syntax highlighting.

Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8.

Generate ICO, PNG and SVG favicons from text, emoji or uploaded images.

Generate realistic random names from curated datasets. Perfect for characters, projects and test data.

Generate SEO-friendly meta tags including title, description, Open Graph and Twitter cards.

Generate dynamic Discord timestamps (<t:…>) that display in every viewer’s local timezone. All 7 formats with live preview.

Convert a date and time between any two IANA time zones, with automatic daylight-saving handling.

Calculate the exact duration between two dates and times, broken down into years, days, hours and more.

A free online countdown timer with presets, start/pause/reset controls and a completion sound.

See the current local time in major cities around the world, updating live every second.

Count down to any future date and time, with a live breakdown and a copyable Discord timestamp.

Find out exactly how much time has passed since any past date and time.

Generate many Discord timestamps at once, copy them all, and import or export as CSV.

A clean perpetual calendar: browse any month, pick a date and see its ISO week, day of year and Discord timestamp.

Convert a Gregorian year to the Chinese sexagenary (Gan-Zhi) cycle & zodiac, the ROC / Minguo calendar and the Japanese Wareki era — and back.

Convert between the Gregorian and Chinese lunar calendar, with the sexagenary year, zodiac, solar term (jiéqì) and traditional festivals.