When should I use it?
Use URL Deduplicator when you need a private, upload-free browser tool for this task.
Online URL Utility
URL Deduplicator
Clean huge URL lists down to unique links with flexible normalization rules.
100% Browser-Based Processing — Your text and URLs are processed locally. No uploads to FreeConverter servers.
✓ Browser Processing
✓ No Upload
✓ Privacy First
✓ Free Forever
✓ Works Offline
Tip: drag & drop a TXT/CSV onto this card, or use Import below.
Tool Options
Working…
Results
Results will appear here…
FreeConverter.app Guide
What does URL Deduplicator do?
Remove duplicate URLs with slash, protocol and www normalization.
Who is it for?
Developers, marketers, students, and anyone who needs a free browser utility.
Example input
Paste text, markup, or choose a local file (processed only in this browser tab).
Example output
Instant on-device result you can copy or download — nothing leaves your device.
Browser processing100% in-browser
PrivacyLocal Processing
UploadNot required
DifficultyEasy
How It Works
Fast URL utilities that run in your browser.
1
Paste or import
Paste text/URLs or import a TXT/CSV file. Nothing is uploaded to our servers for processing logic.
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2
Process in browser
All parsing runs locally in your browser.
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3
Copy or download
Export results as TXT, CSV, or JSON instantly.
Zero server upload — parsing stays on your device.
About URL Deduplicator
Remove duplicate URLs with options for case, trailing slash, http/https and www normalization. Export unique lists instantly. Designed for SEO, marketing, and developer workflows with copy/export support and bulk-friendly input.
FAQs
Parsing and cleaning run in your browser. Network tools may request target websites directly from your device (CORS best-effort).
Yes. FreeConverter.app online URL tools are free to use.
No account or installation is required.
No. FreeConverter.app processes this tool locally in your browser. Your input is not uploaded to our servers.
No. URL Deduplicator on FreeConverter.app is free to use without creating an account.
Developers, marketers, students, and anyone who needs a free browser utility.