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List Cleanup

Clean, deduplicate, and sort a list with reusable rules. Review every step before copying or downloading.

100% browser-only

Tool Workspace

Only template names, steps, and rules are saved on this device. Input and results stay in memory and are cleared when you leave this page or refresh. Do not put private list content in a template name.

Original list

Saved templatesTemplate name

Options

Clean → Deduplicate → Sort (optional)

Review cleanup rules

1. Clean

Trim each line Remove empty lines Collapse repeated spaces

Line endings are normalized to LF.

2. Deduplicate

Ignore case

3. Sort

Sort the listSort direction

Privacy Notice：Your files are processed locally. They are never uploaded.

How it works

Paste a list, or bring in the original text from your current text workflow.
Review cleaning and deduplication rules, optionally enable sorting, then run cleanup.
Inspect each step and export the final list. Save only the rules as a reusable template.

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FAQ

Does changing a template process my text?

No. Loading, saving, or editing rules never runs cleanup. Every run starts from the original list, so you can compare different rules without losing entries.