Browser-local workflow

Identifiers & Encoding Toolkit

Generate IDs, inspect tokens, and encode data with clear distinctions between randomness, ordering, and representation.

Best for
Developers choosing identifiers or preparing data for URLs, headers, and API payloads.
Expected outcome
An identifier and encoding workflow that matches database, security, and interoperability requirements.

Run the tools in this order

  1. 1

    Generate random UUIDs

    Create cryptographically secure UUID v4 values when ordering is not required.

    Open tool
  2. 2

    Generate time-ordered UUIDs

    Use UUID v7 when index locality and a standard UUID representation both matter.

    Open tool
  3. 3

    Compare sortable ULIDs

    Generate compact Crockford Base32 values and inspect their embedded timestamps.

    Open tool
  4. 4

    Inspect token structure

    Decode JWT segments locally without implying that an unverified signature is trusted.

    Open tool
  5. 5

    Encode the representation

    Convert text and bytes to Base64 while remembering that encoding is not encryption.

    Open tool

Checks before you finish

  • Do not place secrets or personal data in an identifier just because it looks opaque.
  • Use browser cryptography for random security-sensitive values.
  • Treat decoded JWT claims as untrusted until the signature and expected claims are verified.
  • Choose one canonical string representation before storing or comparing identifiers.