Smart Text Cleaner
Deduplicate lines, strip HTML tags, unescape entities, and sort text lists alphabetically in real time.
How do I use Smart Text Cleaner?
Paste messy text copied from PDFs, emails, or web pages into the left editor, or click 'Sample' to load a dirty text sample.
Toggle your desired cleaning rules in the right panel (Strip HTML, Remove Duplicate Lines, Trim Spaces, Remove Blank Lines, Sort).
Inspect the live Character Reduction % badge and copy the sanitized text from the right output panel.
What features does Smart Text Cleaner offer?
Deduplicate text lines and remove duplicate entries
Strip HTML tags (<p>, <div>, <a>, etc.)
Unescape HTML entities (&, <, >, ' and ")
Sort lines alphabetically A-Z or Z-A
Regex Text Normalization Pipeline & Execution Order
Applying text cleaning rules in a deterministic sequence ensures HTML tags are stripped before whitespace collapsing and line deduplication.
| Cleaning Operation | Underlying Regex / Logic | Input Example | Cleaned Output |
|---|---|---|---|
| Strip HTML Tags | text.replace(/<[^>]*>?/gm, '') | <p>Hello <b>World</b></p> | Hello World |
| Collapse Extra Spaces | line.replace(/\s+/g, ' ').trim() | Hello World | Hello World |
| Remove Blank Lines | lines.filter(l => l.trim().length > 0) | Line 1\n\n\nLine 2 | Line 1\nLine 2 |
| Deduplicate Lines | Array.from(new Set(lines)) | apple\nbanana\napple | apple\nbanana |
Frequently Asked Questions about Smart Text Cleaner
Is 'Remove Duplicate Lines' case-sensitive?
Yes. Line deduplication uses a JavaScript `Set`, which performs strict `SameValueZero` string comparison (`'Apple'` and `'apple'` are treated as distinct lines). Trim whitespace before deduplicating so trailing spaces do not prevent matches.
In what order are multiple cleaning checkboxes applied?
The engine strips HTML tags and punctuation first, then splits lines to trim leading/trailing spaces and collapse multiple internal spaces, filters out blank lines, deduplicates via `Set`, and finally sorts lines.
How does 'Sort Lines' order numbers vs alphabetical text?
Sorting uses locale-aware lexicographical comparison (`localeCompare()`), ordering lines from A→Z (ascending) or Z→A (descending).
Can I clean broken line wraps and stray spaces copied from multi-column PDFs?
Yes. Enable 'Trim Leading/Trailing Spaces', 'Collapse Multiple Spaces', and 'Remove Empty Lines' to normalize jagged text extracted from PDF documents.
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