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

2026-08-25T16:08:25

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 86012026-08-25T16:08:25.969Z

Local8/25/2026, 4:08:25 PM

UTCTue, 25 Aug 2026 16:08:25 GMT

Relativejust now

Unitmilliseconds