Lui's Toolbox

A collection of browser-based utilities — no data sent anywhere

Available
IBAN Checker
Validate UAE & international IBANs — ISO 13616 checksum
validation
Payout Generator
Generate monthly payout sheets from the payment info sheet — 15th & EOM cycles
finance
IP Deduction Tool
Insurance deduction, return calculation, and installment validation
finance
Email Matcher
Match client names to emails from a master sheet — CSV & XLSX
matching
Changelog
Version History
Version 1.6 — Payout Generator improvements
• Deductions now grouped by IBAN (falls back to account number if IBAN is invalid)
• Insurance deductions labelled as IP (Y1/Y2/Y3 IP)
• Y1 shown in notes only when alongside Y2 or Y3 — silent when alone
• Note amounts now always match deduction column
• First Payout Date shows only dates that triggered a deduction
• HC pending shown as "HC pending next cycle" — amount applied on next cycle
• Shared group flag only shown when a deduction was actually split
• Known container errors are silently skipped
Version 1.5 — Updated IP Deduction Tool improvements
• Added return, deduction, and return after deduction calculation
• Improved Excel output format
Version 1.4 — Payout Generator added
Version 1.3 — IP Deduction Tool added
Version 1.2 — Email Matcher tool added
Version 1.1 — IBAN Checker updated
• All GCC banks added
• More international banks coming soon
Version 1.0 — IBAN Checker (UAE banks database only)