Free BPM Changer
Change the speed of any song while keeping the original pitch. Speed up or slow down from 50% to 150%.
- Pitch Preserved
- 100% Free
- No Signup Required
Drag and drop your audio file here
MP3, WAV, or FLAC (max 100 MB)
No credit card required • Supports MP3, WAV, and FLAC
How It Works
Upload Your Song
Drag and drop your audio file or click to select. Supports MP3, WAV, and FLAC.
Set Your Speed
Use the slider or presets to select your desired speed from 50% to 150%.
Preview & Download
Listen to the processed audio, then download your speed-adjusted file.
Why Use Our BPM Changer?
Pitch Preservation
Advanced time-stretching algorithm changes tempo without affecting the musical pitch or key.
Wide Speed Range
Adjust speed from 50% (half tempo) to 150% (1.5x faster) with fine-grained control.
High Quality Output
Professional-grade audio processing preserves clarity and quality at any speed.
Perfect For
Music Practice
Slow down difficult passages to practice at a comfortable speed, then gradually increase.
Dance & Fitness
Adjust music tempo to match your workout intensity or choreography requirements.
DJs & Producers
Match BPMs across different tracks for seamless mixing and mashups.
Transcription
Slow down audio to accurately transcribe lyrics, melodies, or complex passages.
Frequently Asked Questions
Is the BPM changer really free?
Yes! Our BPM changer is completely free with no hidden costs. No signup or credit card required.
Will changing the speed affect the pitch?
No! Our advanced time-stretching algorithm preserves the original pitch while changing the tempo. The song stays in the same key.
What speed range is supported?
You can adjust speed from 50% (half the original tempo) to 150% (1.5x faster). Fine-grained control allows 5% increments.
What audio formats are supported?
We support MP3, WAV, and FLAC audio formats. Maximum file size is 100MB and maximum duration is 15 minutes.
Will the audio quality be affected?
Our professional-grade time-stretching algorithm maintains high audio quality. Moderate speed changes (75%-125%) produce the best results.
Ready to Create Amazing Karaoke Videos?
Now that you've adjusted your song's tempo, take it to the next level with MyKaraoke Video. Create professional karaoke videos with synchronized lyrics in minutes.