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

2026-04-13T08:18:11

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 86012026-04-13T08:18:11.466Z

Local4/13/2026, 8:18:11 AM

UTCMon, 13 Apr 2026 08:18:11 GMT

Relativejust now

Unitmilliseconds