ULID generator and inspector
Generate sortable ULIDs and inspect their encoded timestamps.
Bookmark this page
Keep this page handy for next time.
- On a computer
- Press Ctrl + D, or Command + D on a Mac.
- On a phone or tablet
- Open your browser's menu or Share menu and look for Add Bookmark, Bookmark or Add to favourites.
A bookmark saves the page link. Save any tool results separately.
How to use this tool
- Generate ULIDs or paste one to inspect.
- ULIDs combine a millisecond timestamp with 80 random bits.
- Inspection reports the timestamp in UTC.
Things to know
- Identifiers generated in the same millisecond are random, not guaranteed monotonic.
- Each text input accepts up to 5 MiB. Output is limited to 25 MiB and combined text settings to 1 MiB.
You might also need
More in encoding & generatorsUUID generator and inspector
Generate UUID v4 identifiers and inspect UUID versions, variants and available timestamps.
Binary hex viewer
Inspect the bytes of a local file as offsets, hexadecimal and printable ASCII.
Caesar cipher decoder and encoder
Encode or decode a Caesar shift, apply ROT13, or inspect every possible letter shift for a puzzle.
Password and passphrase generator
Generate passwords or word-based passphrases with cryptographic randomness.
Base64 converter
Encode UTF-8 text or decode strict Base64 and URL-safe Base64.
ASCII code table and lookup
Look up all 128 ASCII codes in decimal, hexadecimal and binary, with printable characters and named control codes.
Binary text translator
Translate text to UTF-8 binary or hexadecimal bytes, and decode valid byte sequences back into text.
Character-encoding converter
Decode Base64 bytes using a character encoding or encode text into downloadable bytes.
Coupon code generator
Make discount codes, promo codes and gift voucher codes in bulk, with prefixes and no duplicates in each batch.