Frequently Asked Questions

Strumly uses advanced algorithms including librosa and music theory analysis to achieve high accuracy across most popular music genres. Our system works best with:

  • Clear audio recordings with minimal background noise
  • Standard chord progressions and common harmonic structures
  • Music with distinct chord changes and clear instrumentation

Note: Complex arrangements, overlapping instruments, and unconventional progressions may affect accuracy. We provide manual chord editing tools for fine-tuning results.

Currently, Strumly supports YouTube videos exclusively. Simply paste any YouTube URL to analyze its chord progression.

Supported formats:

  • Music videos and lyric videos
  • Live performances and acoustic versions
  • Covers and remixes
  • Educational music content

Processing time: Analysis typically takes 2-5 minutes depending on video length and complexity.

Yes! Strumly offers free chord detection for all users with the following features:

  • Unlimited chord analysis
  • Real-time chord visualization
  • Basic transpose and display options

Premium features require registration:

  • Save favorite songs
  • Edit and modify chord progressions
  • Advanced music theory analysis
  • Export chord data

Registration is completely free and provides access to all advanced features!

Strumly provides synchronized real-time features during video playback:

  • Chord Timeline: Visual chord progression synchronized with video
  • Current Chord Display: Large, prominent display of the current playing chord
  • Chord Visualization: Piano and guitar chord diagrams
  • Progress Tracking: Visual progress bar with chord markers
  • Click Navigation: Click any chord in the timeline to jump to that moment

All features work seamlessly with YouTube's video player for an immersive learning experience.

Yes! Registered users can edit and modify chord progressions with our comprehensive editing tools:

  • Manual Chord Editing: Change any chord in the progression
  • Chord Validation: Real-time validation ensures proper chord notation
  • Timing Adjustments: Modify chord timing and duration
  • Save Modifications: Save your edits and share with the community
  • Version History: Track multiple versions of edited songs

Modified versions are saved to your profile and can be accessed anytime. The original analysis remains unchanged.

Strumly offers various customization options to enhance your experience:

Chord Display Options:
  • Transpose: Shift chords up/down by semitones
  • Avoid Flats: Convert flat notes to sharp equivalents
  • Simplify Chords: Show basic triads instead of complex chords
  • Loop Mode: Automatically repeat the video
Visual Features:
  • Piano Visualization: See chords on a virtual piano
  • Guitar Diagrams: Chord fingering patterns
  • Chord Classification: In-key, borrowed, and out-of-key indicators
  • Speed Control: Adjust playback speed

All settings are preserved during your session for a consistent experience.

Yes! Strumly includes comprehensive music theory analysis:

  • Key Detection: Automatic detection of song key and mode
  • Chord Classification: Identifies in-key, borrowed, and out-of-key chords
  • Harmonic Analysis: Understanding of chord relationships and progressions
  • BPM Detection: Automatic tempo analysis
  • Key Changes: Detection of modulations within songs
  • Genre Classification: AI-powered genre detection and analysis

This information helps musicians understand the harmonic structure and learn songs more effectively.

Strumly works on any modern web browser with the following requirements:

  • Internet Connection: Required for video streaming and analysis
  • JavaScript Enabled: For interactive features and real-time synchronization
  • HTML5 Support: Modern browser with HTML5 video support
  • Audio Support: Working speakers or headphones recommended

Supported Browsers: Chrome, Firefox, Safari, Edge (latest versions)

Mobile Compatible: Fully responsive design works on smartphones and tablets

No Downloads: Strumly runs entirely in your browser - no software installation required!

We take privacy and data security seriously:

  • No Audio Storage: We don't store YouTube audio files after analysis
  • Secure Processing: All analysis happens on our secure servers
  • User Data: Only essential account information is stored (username, email, preferences)
  • Song Data: Chord analysis results are stored to improve performance for future users
  • No Personal Audio: We only process publicly available YouTube content

For detailed information, please review our Privacy Policy and Terms of Service.