DJs
Run your crates through the key and BPM detector, then plan transitions on the Camelot wheel so mixes stay in key.
BPM and Key Finder: Find the Tempo and Key of Any Song
Drop in a track and this free BPM and key finder tells you its tempo, key, scale and Camelot code in seconds. Check the result with a metronome or tap tempo, analyze whole folders at once, and keep your files private: everything runs in your browser.
Free, No Sign-inFiles Stay on Your DeviceKey, BPM and CamelotBatch Analysis
Drop songs to find their BPM and key
Supports MP3, WAV, M4A, FLAC, OGG, AAC · many files at once, up to 200 MB each
- Runs in your browser, files stay on your device
- Batch analyze and export CSV
- Free, no sign-in
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Why Use a Key Finder Instead of Guessing by Ear
Counting beats with a stopwatch or hunting for the root note on a keyboard works, slowly, and learning how to tell what key a song is in by ear takes years. A key finder listens to the whole track at once, weighs every note against the major and minor scales and measures the pulse, so you get a reliable starting point in seconds and spend your time on the music instead.
- Knowing how to count BPM is one thing; tapping for a full minute without drifting is another, especially on tracks with swing.
- Songs in a minor key often sound like their relative major, so the ear alone picks the wrong scale.
- DJ software reads the tempo, but it rarely tells you which keys mix well together.
- Singers need the key before rehearsal, not halfway through it.
- Checking a whole playlist one song at a time takes an evening you do not have.
What This Free BPM and Key Finder Shows You
A key and tempo finder in one: a single analysis gives you every number you need to mix, sing, practice or produce.
Key and Scale
The tonic and the mode, for example A minor or E flat major, plus the next most likely key when a song sits between two.
BPM With Half and Double
The song BPM finder lists the detected tempo with half and double time beside it, so an 87 BPM reading on a drum and bass track is easy to correct to 174.
Camelot Code and Relative Key
Every result shows its Camelot code and relative major or minor, ready for harmonic mixing on any DJ setup.
Batch Analysis With CSV Export
Drop a whole folder of songs and get the key and BPM of each in one table, then export it as a CSV for your library.
Built in Tap Tempo
Click or press Space along with the beat to check any tempo by hand, with no file needed.
Private and Free
Analysis runs on your own device. Nothing is uploaded, there is no account, and you can use it as often as you like.
How to Find the BPM and Key of a Song
Here is how to know what key a song is in, and how fast it is, in three quick steps.
- 1
Add one song or many
Drag MP3, WAV, M4A, FLAC or OGG files onto the upload box. It works as a key finder for MP3 files and lossless audio alike. Add a single song or a whole playlist; each file is queued and analyzed in turn.
- 2
Read the result
The BPM analyzer measures the pulse and the pitch content, then shows the BPM, the key, the Camelot code and the closest alternatives for each track.
- 3
Check it by ear
Start the metronome at the detected tempo, or use the tap tempo online right below the result. If the feel is twice as fast or slow, pick the half or double value in one click.
Features of the EzTranscriber Key and BPM Finder
A song key finder, a BPM finder and a tap tempo tool in one page.
Song Key Finder With Camelot Codes
This song key detector builds a profile of every pitch class it hears across the whole track and compares it against all 24 major and minor keys. You get the best match, its Camelot code and relative key, and the runner up when the song modulates or leans on borrowed chords. It works as an auto key finder for DJs, a song key identifier for singers and a key finder for music producers who want to know what key a sample is in before they build on it.
Find the Song KeyBPM Finder With Half and Double Tempo
The BPM finder doubles as a BPM counter: its tempo detector tracks where the beats land and reports a tempo to one decimal place. Because many genres can be counted two ways, the half and double readings sit right next to the main result: trap at 70 or 140, drum and bass at 87 or 174. Pick the one that matches how you count the bar and the metronome follows. Use it as a song BPM detector before you set a DAW session, or as a music tempo finder for a set list: check BPM before rehearsal, or find song BPM values for every track in batch mode. Unlike an AI BPM finder that uploads your file to a server, this one does the math on your device.
Find the BPMTap Tempo When You Want to Count It Yourself
Tap BPM by clicking the big pad or pressing Space in time with the music: tap, tap, tap tempo along with the beat and the readout settles after a few taps. This tap BPM calculator shows how steady your taps are and resets after a pause. It is a tempo tapper for live bands, a BPM tap counter for dance teachers, a quick tempo tap before the count in, and a way to check any reading without loading a file.
Start TappingBatch Key and BPM Detection for Whole Playlists
Preparing a DJ set or tagging a library? This song key and BPM finder takes dozens of tracks at once. Each row shows the file, BPM, key and Camelot code, you can sort by any column, and one click exports the table as a CSV you can import into a spreadsheet or your DJ software.
Analyze a PlaylistKey Finder Result Example
What you see after analyzing a three minute pop track. It is the quickest answer to how to find what key a song is in: one drop, one readout.
The track reads 122 BPM in A minor, Camelot 8A, with C major as its relative key and D minor as the second candidate. Half and double time are listed in case the groove is counted differently, and the Camelot wheel highlights the keys that mix cleanly with it.
Typical BPM by Genre
Use these ranges to sanity check a reading from the BPM finder, and to spot when a track is being counted at half or double time.
| Typical BPM by Genre | Typical tempo | Tip |
|---|---|---|
| Ballads | 60 to 80 BPM | Slow songs are sometimes read at double speed; halve the value if it feels rushed. |
| Hip hop | 85 to 100 BPM | Boom bap sits near 90; newer styles drift faster. |
| Reggaeton | 88 to 100 BPM | The dembow pattern makes the pulse easy to tap. |
| Pop | 100 to 130 BPM | Most radio pop lands between 115 and 125. |
| House | 118 to 130 BPM | A steady four on the floor; 124 to 126 is the sweet spot. |
| Techno | 125 to 140 BPM | Harder styles push past 140. |
| Trap | 130 to 160 BPM | Felt at half time, so a reading near 70 is the same groove. |
| Dubstep | About 140 BPM | Half time drums make it feel like 70. |
| Drum and bass | 160 to 180 BPM | If you see 85 to 90, choose the double value. |
Harmonic Mixing With the Camelot Wheel
The beat key finder gives every track a Camelot code. Here is how to use it.
Tracks with the same code always blend. From there, move one step around the wheel (8A to 7A or 9A) for a smooth change, or switch the letter (8A to 8B) to go between a minor key and its relative major. A jump of two steps adds energy but needs a confident transition.
Who Uses a BPM and Key Finder
Anyone who needs to know the key and BPM of a song before they play, mix or teach it.
Producers
Set your session tempo to match a sample, and know which key to write the bass line in before you start. Found a riff in a video? Pull its notes with YouTube to MIDI.
Singers
Find the key of a song before rehearsal so you can choose a comfortable transposition.
Cover Musicians
Learn songs faster when you already know the key and tempo, then work out the parts with audio to MIDI or the guitar tab generator.
Teachers and Students
Show students how to find the key of a song and how fast it is using music they already love, then check answers instantly or print the tune with audio to sheet music.
Remixers
Match the tempo and key of an a cappella to your new beat before you start chopping.
What DJs and Musicians Say About Our Key Finder
I dropped my whole wedding playlist in at once and had key, BPM and Camelot codes for every track in one table. The CSV went straight into my notes.
Marcus Reid
Mobile DJ
The half and double tempo next to each result is such a small thing, but it stops me setting a drum and bass session at 87 every time.
Lena Fischer
Producer
Our singer asks what key a song is in every week. Now I check it here in ten seconds and we can talk about transposing before rehearsal.
Daniel Okafor
Band Leader
I use the tap tempo with my dance classes to pick songs at the right speed. It works on my phone and nothing needs to be installed.
Sophie Laurent
Dance Teacher
BPM and Key Finder FAQs
Quick answers about finding the key and tempo of a song.
What key is this song in?
Drop the file into the key finder at the top of this page. It analyzes the whole track and shows the key and scale, the Camelot code, the relative key and the next closest match.
How do you know what key a song is in by ear?
Find the note that feels like home at the end of phrases, then check whether the chords around it sound major or minor. That takes practice; the analyzer gives you the answer first so you can train your ear against it.
How to find the BPM of a song?
Upload the track to the BPM finder above, or count it yourself: tap along with the beat using tap tempo and the readout averages your taps. Compare both if a track has swing or a loose live feel. The same two methods find the tempo of a song in any genre.
What's BPM in music?
BPM stands for beats per minute, the speed of the steady pulse you tap your foot to. A song at 120 BPM has two beats every second.
Why does it show half or double the BPM I expected?
Many grooves can be counted two ways. Trap, dubstep and drum and bass are often felt at half time. The half and double values are shown with every result so you can pick the one that matches your count.
What is the Camelot wheel?
It is a chart that numbers all 24 keys from 1 to 12, with A for minor and B for major. Keys with the same number, or one step apart, mix together without clashing, which makes harmonic mixing easy.
Is this tempo and key finder free?
Yes. It is free, there is no sign-in, and there is no limit on how many songs you analyze, because the work happens in your browser.
Are my songs uploaded?
No. Whether you use it as an MP3 key finder or a BPM finder for MP3 and WAV files, the audio is decoded and analyzed on your device, so your files never leave your computer or phone.
How to determine what key a song is in on piano or guitar?
Play along with the track and look for the one note that never sounds wrong; that is usually the tonic. Then try its major and minor chords to hear which one fits. If you get stuck, use the result from the analyzer above as your answer key.
Is there an online tap tempo for live music?
Yes. Use the tapping pad on this page and click or press Space with the band or the radio. It works as a tap BPM finder in any modern browser on a laptop, tablet or phone, and it needs no file at all.
Can I check the key and BPM of many songs at once?
Yes. Drop a whole folder; each track gets its own row with BPM, key and Camelot code, and you can export the results as a CSV.
Why might a result be wrong?
Tempo changes, rubato, live recordings and songs that switch key halfway through are hard for any BPM and key detector. How can you tell what key a song is in when it modulates? Look at the second candidate. It and the half and double tempos usually cover those cases; trust your ear when they disagree.
Can I get the notes or lyrics of the song too?
Yes. Convert the melody into notes with audio to MIDI, or get the words with the lyrics transcriber.
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Find the Key and BPM of Your Next Song
Free, private and instant: drop a track into the BPM key finder above, check the tempo by tapping along or with the metronome, and export your results.