UUID generator (v4, v7)
Batch-generate v4 (random) or v7 (creation-time ordered, great for databases) UUIDs.
Try also
- Hash generator (SHA, HMAC): SHA-1, SHA-256, SHA-384, SHA-512 and HMAC for text or files.
- Password generator: Strong passwords with entropy and estimated time to crack.
- chmod calculator: Linux permissions in octal and symbolic form.