DUPLICATE WORD FINDER

Find and eliminate duplicate words with real-time highlighting

CLIENT
100% client-side

Everything runs locally in your browser. Your data never leaves your device - no uploads, no servers, no tracking.

All processing happens directly on your machine using JavaScript. Close the tab and everything is gone. We literally never see your data.

Zero data transmission
INPUT
0
Duplicates
0
Duplicate words
0
Words
0
Characters
0%
Ratio

Drop files here or start typing

TXT MD CSV TSV JSON XML HTML CSS JS SQL DOCX ODT LOG
SAVED
Paragraphs
0
Characters (no spaces)
0
Unique words
0
Avg. word length
0
Longest word
-
Shortest word
-

Duplicate words found

Total lines: 0
Spaces: 0
Numbers: 0
Special characters: 0
Uppercase letters: 0
Lowercase letters: 0
Duplicate word count: 0
Cleanliness score: 100%

How to use duplicate word finder

Find and eliminate duplicate words in just 3 simple steps

Full Documentation Docs
1

Input text

Type, paste, or upload your document

2

Find duplicates

See duplicates highlighted in real-time

3

Clean & Export

Remove duplicates and download report

Real-time highlighting
Multiple file formats
One-click duplicate removal
Export detailed reports

Professional duplicate detection features

Everything you need for comprehensive duplicate word analysis

Color-coded detection

30 distinct colors for duplicate words with overlay highlighting. Skips first occurrence and uses cursor-safe technique.

Smart detection

Advanced algorithms detect exact and case-insensitive duplicates with customizable sensitivity settings.

One-click cleaning

Remove all duplicate words instantly while preserving your text structure and formatting.

Detailed analytics

Get comprehensive statistics about duplicate ratio, word frequency, and content cleanliness.

File support

Drag & drop support for TXT, MD, CSV, JSON, TSV, HTML, XML, CSS, JS, SQL, DOCX, ODT, and LOG files.

Export reports

Download detailed analysis reports with cleaned text in multiple formats.

Frequently Asked Questions

Everything about our duplicate word finder tool

How does duplicate detection work?

Our tool analyzes each word in your text and identifies exact matches. You can choose case-sensitive or case-insensitive detection based on your needs.

What file formats can I upload?

You can upload TXT, MD, CSV, JSON, TSV, HTML, XML, CSS, JS, SQL, DOCX, ODT, and LOG files. Simply drag and drop or click to browse.

Can I remove duplicates automatically?

Yes! Click the clean button to automatically remove all duplicate words while preserving your text structure and formatting.

How is the duplicate ratio calculated?

The duplicate ratio shows the percentage of words that appear more than once in your text, helping you assess content quality.

Is my text stored anywhere?

No. All processing happens locally in your browser. Your text is never sent to any server and remains 100% private.

Can I export my analysis results?

Yes! Export comprehensive reports including cleaned text, duplicate statistics, and detailed analysis in TXT, CSV, MD, or JSON format.