Sheet Comparer Pro 3.0 — Intelligent Data Auditor

Tool for instant comparison of large data arrays and detection of hidden errors.
Task: Ensure 100% data cleanliness in large reports where an error can cost the business money.
Implementation: High-performance algorithm in Vanilla JS that works instantly without server load.
Key technical features:

Visual Delta: Instant highlighting of changed values through an HTML overlay on top of the table.

Fuzzy Match Engine: Search for similar values (typos, extra spaces) using fuzzy logic.

Audit Trail: Automatic generation of a report on all discrepancies found between versions.
#DataAnalysis #BigData #QualityAssurance #GoogleSheets #Audit #Tooling #JavaScript #DataIntegrity