[{"data":1,"prerenderedAt":86},["ShallowReactive",2],{"page-locale:en:key-finder":3},{"meta":4,"hero":7,"stepsGuide":11,"features":27,"faq":51,"callToAction":80},{"title":5,"description":6},"Free Key Finder: Detect the Key of Any Song Free | Devoice","Find the key of any song online with Devoice Key Finder. Batch analyze multiple files, export results to CSV, and get keys in seconds.",{"highlight":8,"title":9,"description":10},"Free","Key Finder Online","Upload a track and find its musical key in seconds.",{"data":12},{"labelText":13,"title":14,"colorTitle":15,"description":16,"steps":17},"Tutorial","How to Find the Key of a Song in","3 Simple Steps","Upload one track or a whole batch, let Devoice work out the key of each, then export the list to CSV.",[18,21,24],{"title":19,"description":20},"Upload your audio","Click the upload button or drag and drop one song, or many at once. Beats, loops, full tracks, and recordings all work. MP3, WAV, M4A and other common audio formats are supported.",{"title":22,"description":23},"Let Devoice analyze it","Our AI listens to each track and works out its most likely musical key. Most files take only a few seconds, and batches are processed in one go.",{"title":25,"description":26},"Review and export","See the detected key for every file, such as A minor or F major, with its major or minor mode. Then download all results as a CSV file to sort, filter, and share in your favorite spreadsheet app.",{"data":28},{"Bubbles":29,"title":30,"description":31,"features":32},"Why Devoice","Why Use Devoice Key Finder","Detect the key by ear or let Devoice do it in seconds — then organize a whole library in one run.",[33,39,45],{"bubbles":34,"title":35,"description":36,"image":37,"imageAlt":38},"Speed","Find the Key of Any Song in Seconds","Guessing a song's key by ear takes practice and time. Devoice Key Finder does the work for you. Upload a full song, a beat, a sample, or a vocal take, and get a clear answer showing the root note and whether it is major or minor. No music theory degree needed.","https://cdn.devoice.io/retain/devoice/web/image/key-finder/feature1.svg","A detected musical key shown next to an audio track",{"bubbles":40,"title":41,"description":42,"image":43,"imageAlt":44},"Batch","Analyze Whole Libraries in Batch and Export to CSV","Checking tracks one by one is slow when you have a full crate, playlist, or sample folder. Upload multiple files at once and Devoice detects the key of each one in a single run. When it's done, export the results to a CSV file and open it in Excel, Google Sheets, or Numbers. Sort by key, group compatible tracks, and keep a clean record of your whole collection.","https://cdn.devoice.io/retain/devoice/web/image/key-finder/feature2.svg","Multiple tracks analyzed at once with results exported to a spreadsheet",{"bubbles":46,"title":47,"description":48,"image":49,"imageAlt":50},"Workflow","Built for Producers, DJs, and Singers","Knowing the key makes everything easier. DJs can group tracks that mix well together. Producers can match samples, basslines, and melodies to a reference. Singers can check whether a song fits their range before rehearsing. And when you're ready to build, Devoice's AI tools can remove background noise or separate vocals on the same platform, so you can analyze, clean up, and create without juggling multiple apps.","https://cdn.devoice.io/retain/devoice/web/image/key-finder/feature3.svg","Producers, DJs and singers using detected song keys in their workflow",{"data":52},{"title":53,"description":54,"questions":55},"DeVoice Key Finder FAQ","Everything you need to know about detecting the key of a song with Devoice.",[56,59,62,65,68,71,74,77],{"title":57,"content":58},"Is Devoice Key Finder free to use?","Yes. Devoice Key Finder is completely free. You can detect the key of your songs, analyze files in batches, and export your results to CSV at no cost.",{"title":60,"content":61},"What audio formats does it support?","Devoice supports common formats including MP3, WAV, and M4A. If your file is in a different format, try converting it first or contact our support team.",{"title":63,"content":64},"Can I analyze multiple songs at once?","Yes. You can upload several files in one go and Devoice will detect the key of each one. All results appear together in a single list, so you can compare them easily.",{"title":66,"content":67},"What's included in the CSV export?","The CSV lists each file you analyzed along with its detected key, BPM, and Camelot code, so you can open it in Excel, Google Sheets, or Numbers and sort or filter however you like.",{"title":69,"content":70},"How accurate is the key detection?","Key detection gives you the most likely key based on the audio, which is right for most songs. Tracks with key changes, heavy percussion, or unusual tuning can be harder to read, so we recommend confirming the result by ear or against your instrument.",{"title":72,"content":73},"What is the difference between a major and a minor key?","Major keys tend to sound bright and happy, while minor keys tend to sound darker or more emotional. Every major key has a relative minor that shares the same notes. For example, C major and A minor use the same set of notes.",{"title":75,"content":76},"Can I find the key of a vocal recording or a short loop?","Yes. You can upload full songs, instrumentals, vocal takes, loops, and samples. Longer and cleaner recordings with clear melodies and chords usually give the most reliable result.",{"title":78,"content":79},"Are my audio files private?","Your files are used only to process your request. For full details on how uploaded files are handled and deleted, see our Privacy Policy.",{"data":81},{"title":82,"description":83,"primaryButton":84,"primaryIcon":85},"Ready to Find Your Song's Key?","Upload a track, or a whole batch, and get the musical key of each in seconds. Export everything to CSV.","Find the Key Now","Music",1792725964029]