ULID Generator (Universally Unique Lexicographically Sortable Identifier)

Generate 26-character time-sortable ULID identifiers encoding a 48-bit millisecond timestamp and 80 random bits.

How It Works & Processing Standards

Generate 26-character time-sortable ULID identifiers encoding a 48-bit millisecond timestamp and 80 random bits.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

ULID Generator (Universally Unique Lexicographically Sortable Identifier) is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use ULID Generator (Universally Unique Lexicographically Sortable Identifier)

  1. 1
    Choose QuantitySelect how many ULIDs to generate.
  2. 2
    Copy IdentifiersCopy 26-character uppercase alphanumeric strings.

Common Use Cases

  • B-tree indexed database primary keys, event logging sequences, and ordered message queue IDs
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