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Công cụ loại bỏ văn bản trùng lặp

Text deduplicator: bulk remove duplicate lines with case and space options and stats for cleaning and lists, with one-click copy, offline and multilingual.

Cách sử dụng

Dán văn bản, chọn loại bỏ trùng lặp theo dòng hoặc theo từ, kết quả được tạo theo thời gian thực.

Overview

Text Deduplicator is a Text tool. Bulk remove duplicate lines with case and space options and stats for cleaning and lists, with one-click copy, offline and multilingual. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Daily use of Text Deduplicator: Paste text, choose lines or words mode. The deduplicated result updates live. — enter and get instant results without manual lookup.
  • One-click copy keeps results ready to save, check or share with family and pros.
  • Use Text Deduplicator offline or on poor network — all calculations stay local and private.
  • Clean duplicates and whitespace
  • Format JSON/HTML snippets

How to use

  1. 1 Paste text, choose lines or words mode. The deduplicated result updates live..
  2. 2 Choose cleaning actions (dedupe, trim, case)
  3. 3 Preview diff with line numbers
  4. 4 Copy or download

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Dedupe is case-sensitive by default
  • Split very long texts
  • Word vs char counts differ

FAQ

Preserve formatting?
Line breaks preserved by default.
Regex supported?
Yes in find/replace tools.
How is Text Deduplicator different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “deduplicate, unique lines” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
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All calculations run locally in your browser; nothing is uploaded.