Toolbox
Small, sharp tools for daily developer tasks — no installs, no sign-in.
Age / Date Diff
Exact difference between any two dates & times
2026-03-29T15:39:48
Enter a start date to compute the difference.
UUID Generator
Generate v4 (random) or v7 (time-ordered)
v4: Fully random 122-bit UUID. Use when uniqueness matters more than ordering.
GZip Tool
Compress text → Base64 or decompress Base64 → text
Date Utilities
Epoch, timezones & relative time
ISO 86012026-03-29T15:39:48.711Z
Local3/29/2026, 3:39:48 PM
UTCSun, 29 Mar 2026 15:39:48 GMT
Relativejust now
Unitmilliseconds