Learn Any Piano Piece
at Your Own Pace
Upload a piano video or audio file. TempoKeys automatically transcribes the notes and generates 8 speed variants — so you can slow down, study, and master every note.
Free pieces in your library from day one — new ones added every week
How it works
From upload to practice in minutes
01
Upload Your File
Drop any MP4 video or MP3 audio of a piano performance. We handle the rest.
02
AI Transcribes MIDI
Our technology extracts every note — pitch, timing, velocity — from your audio automatically.
03
Practice at Any Speed
Play at 25% to 200% speed. The MIDI visualization stays perfectly in sync at every tempo.
Features
Everything you need to learn faster
Auto MIDI Transcription
Advanced AI converts any piano audio to note-by-note data with high accuracy — no manual input needed.
8 Speed Variants
Get 25%, 50%, 75%, 100%, 125%, 150%, 175%, and 200% speeds generated automatically.
Synced Visualization
Watch notes light up on an interactive piano keyboard. Perfectly aligned to the audio at every speed.
Video + Audio Support
Upload MP4 video or MP3 audio. Video and audio stay in sync as you adjust playback speed.
Your Personal Library
All your pieces are stored and accessible anytime. Build your practice library over time.
Practice Any Passage
Slow down tricky sections to half speed or less. Speed back up once you have the fingering locked in.
Why TempoKeys
The smarter way to learn piano
Traditional methods waste hours searching for sheet music or MIDI files that may not even exist. TempoKeys works with any recording.
The old way
- ✕Hunt for MIDI files that rarely match the exact recording
- ✕Buy expensive sheet music that requires reading skills
- ✕Audio software slows playback but breaks pitch or sync
- ✕Guess timings by ear — slow and frustrating
With TempoKeys
- ✓Upload any video or audio — MIDI generated in minutes
- ✓Visual note display, no sheet music reading required
- ✓Pitch-perfect speed control from 25% to 200%
- ✓Note-by-note visualization synced at every tempo
FAQ
Common questions
- You can upload MP4 video files or MP3 audio files of any piano performance.
- TempoKeys uses advanced AI trained specifically on piano music. Accuracy is high for clear recordings, though very reverberant or noisy audio may affect results.
- You get 8 speed variants automatically: 25%, 50%, 75%, 100%, 125%, 150%, 175%, and 200% of the original tempo. The note visualization stays in sync at every speed.
- No. TempoKeys displays notes visually on a piano keyboard — no sheet music reading required.
- Yes. All your uploaded pieces are stored in your personal library and accessible any time you sign in.
What file types does TempoKeys support?
How accurate is the note transcription?
What speed options are available?
Do I need to know how to read sheet music?
Is my library saved between sessions?
Pricing
Simple monthly plans
Each credit = 1 transcription (up to 10 min). Credits don't expire.
Free
Try it out, no card needed
- 1 free credit on signup
- 8 speed variants per piece
- Synced piano visualization
- Personal library
- Free weekly upload to your library
Standard
For dedicated practice sessions
- 10 transcriptions / month
- 8 speed variants per piece
- Synced piano visualization
- Full access to library of 1000s of pieces
- Credits never expire
- Top-up anytime
Pro
Serious students & teachers
- 25 transcriptions / month
- 8 speed variants per piece
- Synced piano visualization
- Full access to library of 1000s of pieces
- Credits never expire
- Top-up anytime
Ready to master your next piece?
Upload any piano recording and start practicing at your own pace — today.
Free pieces in your library from day one — new ones added every week
Stay in the loop
Get notified when we add new features.