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 1.5
• Updated IP Deduction Tool
• 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)