FREE — Line Set Comparison

FREE COMPLETE UTILITY

Compare two lists for shared and exclusive lines. Example: list A contains apple and pear; list B contains pear and plum. Shared: pear. Only A: apple. Only B: plum.

Find shared and exclusive lines between two lists.

A focused local HTML utility with labeled inputs, a synthetic example and downloadable JSON results. Includes usage documentation, privacy notes and a single-user license for personal and commercial work. Unzip, open the HTML file, try the example and review the result. No subscription, account or telemetry in the utility.

Maximum text length 80,000 UTF-16 units, 1,000 lines/items and 2 MB serialized input/output. Repeated lines collapse; output preserves input order. Interface input limit: 200,000 characters. Downloads contain your submitted input and output; review before sharing.

Try the FREE Stable Line Deduplicator in this store first. Release candidate: automated logic and simulated-interface checks passed; graphical browser compatibility remains unverified.