• Heuristically invert a personal name into surname-first form while retaining contiguous common surname particles.
• Apply the same explicit rule consistently during ingest, quality control, reporting, or preservation planning.
• Expose records that need human review without silently rewriting the source data.

Contiguous particles such as de la are kept together; an existing comma is treated as an already inverted boundary.^[1]

• Name order is culturally dependent and cannot be reliably inferred from tokens alone; authority records should preserve supplied forms and identifiers.
• Preserve the original value and record the rule version when using this result in an archival workflow.

• LCSH Subject Heading String Well-Formedness Checker

  Use LCSH Subject Heading String Well-Formedness Checker to check basic LCSH-style subdivision separator and capitalization conventions and count subdivisions after the main heading. Choose this tool when you need to heuristically invert a personal name into surname-first form while retaining contiguous common surname particles.

• Word Capitalizer

  Use Word Capitalizer to capitalize the first letter of every word in text. Choose this tool when you need to heuristically invert a personal name into surname-first form while retaining contiguous common surname particles.

• Scanning Resolution PPI by Original Type Lookup

  Return a recommended scanning resolution in pixels per inch for common archival original types; published guidance varies, so values are a heuristic lookup.

• BagIt Profile Required Tag Presence Checker

  Check which bag-info metadata elements required by a BagIt profile are absent, using the case-insensitive element-name comparison required by RFC 8493 while preserving the requested spelling in the result.

• Country Code ISO 3166 Alpha-2 Validator

  Validate whether a normalized two-letter value is a currently assigned ISO 3166-1 alpha-2 country code. Reserved and user-assigned letter pairs are not accepted.