Shift a wall-clock time from one IANA timezone to another — DST handled via real zone offsets, with day-shift flags when the date rolls over. Free, local, no signup.
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats. Milliseconds, seconds, and ISO 8601 convert both directions with timezone clarity — local math, free, no signup.
See live times across world time zones with DST handling — schedule global meetings right. Know Tokyo time before calling — free, local, no signup.
Flip a virtual coin with heads/tails totals for instant decisions. Settle it fairly in one tap — free, local, no signup.
Convert a single Markdown document to styled HTML or plain-text PDF with three built-in themes. One document at a time — local Marked + jsPDF, free, no signup.
Convert iPhone HEIC/HEIF photos to universal JPGs at fixed quality 0.92 via heic2any (loaded on demand per batch). Filenames carry over with .jpg extensions — local conversion, 2 free batches a day.
A wall time in a From zone to the same instant in a To zone — e.g. 12:00 UTC → 07:00 America/New_York (EST). Offsets come from the Intl database, so DST is correct without hardcoded rules.
No — one conversion at a time, no multi-party overlap view and no invitee list.
Day shifts flag explicitly: 23:00 UTC → 18:00 New York same day shows nothing extra, while eastward jumps gain (+1d). Invalid zone names fall back to examples.
No — conversion runs locally in your browser. Nothing leaves your device.
World Clock
See live times across world time zones with DST handling — schedule global meetings right. Know Tokyo time before calling — free, local, no signup.
Unix Time Converter
Convert Unix timestamps to human-readable dates and back. Shows UTC, ISO 8601, locale, date, and time formats. Milliseconds, seconds, and ISO 8601 convert both directions with timezone clarity — local math, free, no signup.
Last updated October 2026