Toolbox

Small, sharp tools for daily developer tasks — no installs, no sign-in.

Age / Date Diff

Exact difference between any two dates & times

Start date & time

End date & time

2026-08-11T17:38:43

Enter a start date to compute the difference.

Generate v4 (random) or v7 (time-ordered)

v4: Fully random 122-bit UUID. Use when uniqueness matters more than ordering.

Compress text → Base64 or decompress Base64 → text

Input text

Epoch, timezones & relative time

Unix timestamp

ISO 86012026-08-11T17:38:43.995Z

Local8/11/2026, 5:38:43 PM

UTCTue, 11 Aug 2026 17:38:43 GMT

Relativejust now

Unitmilliseconds