Free trial
Every instrument app and the homepage demo transcribe the first 20 seconds of audio for free, which is enough to judge output quality on your own recording before choosing a plan.
Learn moreKlangio
Turn audio, YouTube links and live playing into sheet music, TABs and MIDI
Beginner
What is Klangio?
Klangio is a bass tab tool that turns audio, YouTube links and live playing into sheet music, TABs and MIDI. Klangio converts audio files, YouTube links and live recordings into sheet music, guitar TABs, MIDI and MusicXML using instrument-specific AI models, with a browser editor for corrections and export to notation software and DAWs.
Klangio is an AI music transcription service that converts recorded audio into written notation. Its core promise is simple: feed it an MP3, WAV, MP4 or a YouTube link (or record yourself playing directly in the browser), and the engine returns sheet music, guitar TABs, MIDI or MusicXML in seconds. The company reports more than 14 million transcriptions generated and an app rating of 4.2, and the service is built in Germany with a 14-day money-back guarantee on paid plans. The product is organised as a family of apps rather than a single tool. Piano2Notes, Guitar2Tabs, Sing2Notes, Drum2Notes, Violin2Notes and Wind2Notes each use a model tuned to the challenges of one instrument, while Klangio Transcription Studio combines them for full, multi-instrument arrangements in the browser and as a plugin for digital audio workstations. Adjacent tools cover other jobs: Scan2Notes for scanning printed scores, Melody Scanner for turning whole songs into piano arrangements, and a free Song Search for chord analysis. In practice a session runs from upload to export. The AI detects melody, chords and rhythm, then opens the result in a browser editor with both a sheet music view and a piano roll. Measures and notes can be adjusted there without installing notation software. Exports include PDF, MIDI, MusicXML and Guitar Pro, which means the output drops cleanly into MuseScore, Sibelius, Finale, Guitar Pro or a DAW for further work. Klangio suits pianists sketching compositions away from manuscript paper, guitarists who need TABs from a recording, educators arranging material for students, and transcribers who want a fast first draft to correct by hand. It competes with manual transcription and with general notation software: less control than a full notation editor, but far faster from audio to a readable first pass.
How do you use Klangio?
1Start a free test transcription
Open the homepage and either drop an audio file (MP3, WAV, MP4, FLAC and more) or record yourself playing. The first 20 seconds are transcribed at no cost so you can check accuracy.2Pick the app that matches the source
If a generic test is not precise enough, choose the instrument-specific app: Piano2Notes for keys, Guitar2Tabs for guitar and bass, Sing2Notes for vocals, Drum2Notes for drums, or the string and wind variants.3Load audio or a YouTube link
Each app accepts recorded or uploaded audio and also a pasted YouTube URL when no file is at hand. Multi-instrument songs belong in Transcription Studio.4Review and edit the notation
Inspect the generated score in the sheet music view or switch to the piano roll to fix notes and rhythms. Adjustments happen in the browser with nothing to install.5Export in your working format
Download the finished piece as PDF, MIDI, MusicXML or Guitar Pro and continue in MuseScore, Sibelius, Finale or your DAW.
Pros and cons
Pros
- Instrument-specific models for piano, guitar, vocals, drums, strings and wind rather than one generic engineAI
- Exports PDF, MIDI, MusicXML and Guitar Pro, so results open in MuseScore, Sibelius or a DAWAI
- Browser editor with sheet music and piano roll views means no extra software to fix a transcriptionAI
- Free 20-second trial on the homepage lets you judge accuracy on your own audio before payingAI
- Also covers scanning printed scores and arranging full songs for piano, which widens its use beyond one taskAI
Cons
- Accuracy on dense polyphonic material is not guaranteed, and corrections in the editor are still part of the workflowAI
- Instrument-specific apps fragment the feature set, so multi-instrument work pushes you toward the Studio tierAI
- No transparency in the source on how subscription tiers and limits are structuredAI
- Export formats are strong for notation but the tool is not a replacement for a full notation editor's engraving controlsAI
- Free testing is capped at 20 seconds, which is often too short to judge a full arrangementAI
How much does Klangio cost?
Pricing
The homepage lists a 14-day money-back guarantee and a heatwave sale banner offering 50 percent off, and it points to a dedicated subscription help page. It does not state tier prices, credit limits or what each plan includes, so check the subscriptions page before committing.
Learn moreSupport
Klangio publishes a help centre covering getting started, improving transcription quality, supported music, export formats and subscriptions, plus a contact page for direct enquiries.
Learn moreFeatures
Audio, YouTube and live recording input; instrument-specific AI models for piano, guitar and bass, vocals, drums, strings and brass or woodwind; polyphonic detection of melody, chords and rhythm; multi-instrument transcription in Studio and its DAW plugin; browser editor with sheet music and piano roll views; PDF, MIDI, MusicXML and Guitar Pro export; plus Scan2Notes, Melody Scanner and Song Search for scanning, arranging and chord analysis.
Learn moreFrequently asked questions about Klangio
How much does Klangio cost?
The homepage lists a 14-day money-back guarantee and a heatwave sale banner offering 50 percent off, and it points to a dedicated subscription help page. It does not state tier prices, credit limits or what each plan includes, so check the subscriptions page before committing.Does Klangio offer a free trial?
Every instrument app and the homepage demo transcribe the first 20 seconds of audio for free, which is enough to judge output quality on your own recording before choosing a plan.How do you use Klangio?
The walkthrough on this page covers 5 steps: 1. Start a free test transcription 2. Pick the app that matches the source 3. Load audio or a YouTube link 4. Review and edit the notation 5. Export in your working format.What platforms does Klangio support?
Klangio is available on Web App, Windows and MacOS.What are the limitations of Klangio?
Accuracy on dense polyphonic material is not guaranteed, and corrections in the editor are still part of the workflow. Instrument-specific apps fragment the feature set, so multi-instrument work pushes you toward the Studio tier. No transparency in the source on how subscription tiers and limits are structured.
Status
StatusActive
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Added10/21/2026
Platforms
Web AppWindowsMacOS
Pricing
FreemiumSubscription
