URLs-LE: Zero Hassle URL Extraction

Instantly extract URLs from your codebase with precision
HTML, CSS, JavaScript, JSON, YAML, XML, TOML, INI, Properties, Markdown, and more

Tested on Ubuntu, macOS, and Windows for maximum compatibility.

URL Extraction Demo

Command Palette

🙏 Thank You

If URLs-LE saves you time, a quick rating helps other developers discover it:
⭐ VS Code Marketplace • Open VSX

✅ Why URLs-LE?

Extract URLs from any file format — HTML, CSS, JavaScript, Markdown, JSON — in one click. Find API endpoints, asset links, and external resources instantly.

URLs-LE intelligently detects HTTP/HTTPS URLs while filtering out data: URIs and javascript: pseudo-protocols. Audit dependencies, validate links, and track external resources without manual searching.

Web development audit without the hassle
Instantly extract and analyze URLs from any web project. Get comprehensive insights into API endpoints, asset references, and external links.
Validation across configs & APIs
Surface every URL reference for validation, link checking, and resource management verification.
Confident edits in complex projects
Flatten nested URLs into a simple list you can safely analyze without breaking structure or formatting.
Stream massive datasets
Work with large numbers of URLs without locking up VS Code. Process large documentation and configuration files efficiently.
Automatic cleanup built-in
- Sort for stable analysis and reviews
- Dedupe to eliminate noise
- Filter by protocol or domain
Fast at any scale
Benchmarked for 10,000+ URLs per second, URLs-LE keeps up with large web projects and enterprise monorepos without slowing you down.

🚀 More from the LE Family

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Paths-LE - Extract file paths from imports and dependencies • Open VSX
Scrape-LE - Validate scraper targets before debugging • Open VSX
Colors-LE - Extract and analyze colors from stylesheets • Open VSX
Dates-LE - Extract temporal data from logs and APIs • Open VSX

💡 Use Cases

Web Auditing - Extract all links and resources from HTML/CSS for validation
API Documentation - Pull API endpoints from docs and code for cataloging
Link Validation - Find all external URLs for broken link checking
Resource Tracking - Audit CDN and asset URLs across your project

🚀 Quick Start

Install from VS Code Marketplace or Open VSX
Open any supported file type (Cmd/Ctrl + P → search for "URLs-LE")
Run Quick Extract (Cmd+Alt+U / Ctrl+Alt+U / Status Bar)

⚙️ Configuration

URLs-LE has minimal configuration to keep things simple. Most settings are available in VS Code's settings UI under "URLs-LE".

Key settings include:

Output format preferences (side-by-side, clipboard copy)
Safety warnings and thresholds for large files
Notification levels (silent, important, all)
Status bar visibility
Local telemetry logging for debugging

For the complete list of available settings, open VS Code Settings and search for "urls-le".

🌍 Language Support

13 languages: English, German, Spanish, French, Indonesian, Italian, Japanese, Korean, Portuguese (Brazil), Russian, Ukrainian, Vietnamese, Chinese (Simplified)

🧩 System Requirements

VS Code 1.70.0+ • Platform Windows, macOS, Linux
Memory 200MB recommended for large files

🔒 Privacy

100% local processing. No data leaves your machine. Optional logging: urls-le.telemetryEnabled

⚡ Performance

URLs-LE is built for speed and efficiently processes files from 100KB to 30MB+. See detailed benchmarks.

Format	File Size	Throughput	Duration	Memory	Tested On
JSON	1K lines	1,382,278	~1.58	< 1MB	Apple Silicon
CSS	3K lines	1,048,387	~0.31	< 1MB	Apple Silicon
HTML	10K lines	298,122	~4.26	< 1MB	Apple Silicon

Note: Performance results are based on files containing actual URLs. Files without URLs (like large JSON/CSV data files) are processed much faster but extract 0 URLs.
Real-World Performance: Tested with actual data up to 30MB (practical limit: 1MB warning, 10MB error threshold)
Performance Monitoring: Built-in real-time tracking with configurable thresholds
Full Metrics: docs/PERFORMANCE.md • Test Environment: macOS, Bun 1.2.22, Node 22.x

🔧 Troubleshooting

Not detecting URLs?
Ensure file is saved with supported extension (.html, .css, .js, .json, .yaml, .md)

Large files slow?
Files over 10MB may take longer. Consider splitting into smaller chunks

Need help?
Check Issues or enable logging: urls-le.telemetryEnabled: true

❓ FAQ

What URLs are extracted?
HTTP/HTTPS, FTP, mailto, tel, file URLs (excludes data: and javascript: pseudo-protocols)

Can I deduplicate?
Yes, enable urls-le.dedupeEnabled: true to remove duplicates automatically

Max file size?
Up to 30MB. Practical limit: 10MB for optimal performance

Perfect for web projects?
Absolutely! Audit API endpoints, asset references, and external links for broken URLs

📊 Testing

193 unit tests • 99.6% function coverage, 81% line coverage
Powered by Vitest • Run with bun test --coverage

URLs-LE

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