Extract 680,000 dates per second from logs • 200x faster than manual
JSON, YAML, CSV, XML, Log files, HTML, JavaScript, TypeScript, and more
Before: Manually searching through 10,000 log lines for timestamps (2 hours)
2024-01-15 10:30:00 ERROR: Connection failed
2024-01-15 10:30:05 WARN: Retrying...
// ... 10,000 more lines
After: One command extracts all 10,234 dates with analysis in 0.15 seconds
Dates: 10,234 total
Range: 2024-01-15 to 2024-01-20
Peak activity: 2024-01-17 (2,456 events)
Formats: ISO 8601 (95%), Unix timestamps (5%)
Time Saved: 2 hours → 1 second ⚡
- 680,000 dates per second - 200x faster than manual searching
- Zero Config - Install → Press
Cmd+Shift+D→ Get timeline instantly - Battle-Tested - 88 unit tests, 90% coverage, zero critical vulnerabilities
- Security-Hardened - 100% error handling, credential sanitization, path protection
Perfect for log analysis, data migration, and API auditing.
If Dates-LE saves you time, a quick rating helps other developers discover it:
⭐ Open VSX • VS Code Marketplace
- 15+ date formats - ISO, RFC2822, Unix timestamps, US/EU formats, relative dates
- Temporal analysis - Date ranges, peak activity, format distribution
- Format conversion - Convert between ISO, Unix, and custom formats
- 6 file types - JSON, YAML, CSV, XML, logs, HTML, JavaScript
- Fast at scale - 680K dates/sec for logs, 1.56M dates/sec for HTML
- 13 languages - English, Chinese, German, Spanish, French, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Ukrainian, Vietnamese
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- Colors-LE - Extract and analyze colors from stylesheets • VS Code Marketplace
- URLs-LE - Extract URLs from any codebase with precision • VS Code Marketplace
- Log Analysis - Extract timestamps from server logs and application traces
- Data Migration - Pull creation dates and timestamps from database exports
- API Auditing - Find date fields in JSON responses and configuration files
- Temporal Validation - Audit date ranges and temporal consistency across datasets
- Install from Open VSX or VS Code Marketplace
- Open any supported file type (
Cmd/Ctrl + P→ search for "Dates-LE") - Run Quick Extract (
Cmd+Shift+D/Ctrl+Shift+D/ Status Bar)
Dates-LE has minimal configuration to keep things simple. Most settings are available in VS Code's settings UI under "Dates-LE".
Key settings include:
- Output format preferences (side-by-side, clipboard copy)
- Safety warnings and thresholds for large files
- Analysis and validation options
- 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 "dates-le".
🇺🇸 English • 🇩🇪 German • 🇪🇸 Spanish • 🇫🇷 French • 🇮🇩 Indonesian • 🇮🇹 Italian • 🇯🇵 Japanese • 🇰🇷 Korean • 🇧🇷 Portuguese (Brazil) • 🇷🇺 Russian • 🇺🇦 Ukrainian • 🇻🇳 Vietnamese • 🇨🇳 Chinese (Simplified)
VS Code 1.70.0+ • Platform Windows, macOS, Linux
Memory 200MB recommended for large files
100% local processing. No data leaves your machine. Optional logging: dates-le.telemetryEnabled
Dates-LE is built for speed and efficiently processes files from 100KB to 10MB+. See detailed benchmarks.
| Format | File Size | Throughput | Duration | Memory | Tested On |
|---|---|---|---|---|---|
| HTML | 1K lines | 1.67M | ~1.8ms | < 1MB | Apple Silicon |
| JAVASCRIPT | 1K lines | 770K | ~4ms | < 1MB | Apple Silicon |
| LOG | 0K lines | 680K | ~0.15ms | < 1MB | Apple Silicon |
Note: Performance results are based on files containing actual dates. Files without dates are processed much faster but extract 0 dates.
Real-World Performance: Tested with actual data up to 10MB (practical limit: 1MB warning, 5MB 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
For detailed information, see Performance Monitoring.
Not detecting dates?
Ensure file is saved with supported extension (.json, .yaml, .csv, .xml, .log, .html, .js, .ts)
Large files slow?
Files over 5MB may take longer. Consider splitting into smaller chunks
Need help?
Check Issues or enable logging: dates-le.telemetryEnabled: true
What date formats are extracted?
ISO 8601, RFC2822, Unix timestamps, UTC, local formats, and simple date patterns
Can I analyze dates?
Yes, use the Analyze command for statistics, anomaly detection, and pattern recognition
Max file size?
Up to 10MB. Practical limit: 5MB for optimal performance
Perfect for log analysis?
Absolutely! Extract timestamps from server logs, application traces, and monitoring data
88 unit tests • 90% function coverage, 86% line coverage
Powered by Vitest • Run with bun run test:coverage
No broken or failed tests are allowed in commits. All tests must pass before code can be committed or merged.
- 48 error handling tests with 100% coverage
- Comprehensive date format support (ISO, RFC2822, Unix timestamps, custom formats)
- CSV, JSON, YAML, log file extraction validation
For detailed testing guidelines, see Testing Guidelines.
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