Text Deduplication Tool
UtilitiesFree online text deduplication tool. Quickly remove duplicate lines, supports ignore case, sort and more options.
TL;DR:Free text deduplication tool for line-based dedup. Supports case sensitivity, whitespace trimming, and first/last occurrence order, runs locally.
FAQ
Completely free, no registration required. Deduplicate text lines directly in your browser — all operations run locally with no usage limits.
It supports line-based deduplication, case-sensitive/insensitive comparison, trimming whitespace before comparison, preserving first/last occurrence order, and more — for log cleaning, data dedup, and other scenarios.
No. All deduplication runs locally in your browser. Your text is never sent to any server.
Yes. By default, the first occurrence order is preserved, removing only subsequent duplicates. You can also switch to preserving the last occurrence order for different use cases.