Slow Down Music Online
Slow down any song or audio file in your browser. Upload your track, set the speed anywhere from 0.25x to 2x, and download the result. Useful for learning instruments, transcribing speech, studying languages, and practicing choreography. Everything runs on your device. No upload, no account, no watermark.
Try It FreeWhy Slow Down Music?
Slowing down music is one of the oldest practice techniques musicians use. A fast guitar solo becomes learnable at half speed. A dense jazz chord progression becomes audible when each chord lasts twice as long. Language learners use the same technique to catch words they miss at native speaking speed. Transcribers slow down interviews and lectures to type every word accurately. Dance instructors slow songs to teach choreography step by step. The idea is simple: when something moves too fast to follow, slow it down until you can, then gradually speed it back up.
- Musicians: learn fast passages note by note at reduced speed
- Language learners: catch words and phrases at a comfortable pace
- Transcribers: slow speech to type accurately without constant rewinding
- Dancers: learn choreography at half tempo before performing at full speed
- Music students: analyze chord progressions and arrangements by ear
How Speed Change Works
When you slow down a recording on a turntable or tape machine, the pitch drops along with the speed. A song at half speed sounds an octave lower. The Orec speed changer uses playback rate adjustment, which changes both speed and pitch together, just like a turntable. A guitar riff at 0.5x plays at half the speed and an octave lower. This is often preferred for music practice because the timing relationship between notes stays natural. The audio does not get stretched or processed, it simply plays back at a different rate.
- Slowing down drops pitch along with speed, like a turntable
- Doubling speed raises pitch by one octave (+12 semitones)
- Halving speed lowers pitch by one octave (-12 semitones)
- The pitch shift in semitones is shown in real time
- Natural-sounding result because no time-stretching artifacts are introduced
Use Cases and Speed Recommendations
Different tasks call for different speeds. For learning a fast instrumental passage, start at 0.5x. This gives you time to identify each note and finger the correct positions. Once you can play along cleanly at 0.5x, bump it to 0.6x, then 0.7x, and keep going until you reach full speed. For transcription, 0.75x is usually enough. Speech is slower than music, so you do not need to cut the speed in half. For language learning, 0.8x gives you time to parse unfamiliar words without making the speech sound unnaturally slow. For analyzing a mix or arrangement, 0.9x can be enough to hear details you missed at full speed.
- 0.5x: learning fast solos, complex passages, difficult sections
- 0.6x-0.7x: progressive speed-up during practice
- 0.75x: transcribing speech and interviews
- 0.8x: language learning and pronunciation practice
- 0.9x: catching details in mixes, arrangements, or fast dialogue
- 1.25x-1.5x: speeding up podcasts and audiobooks for faster listening
Slowing Down vs Slowed + Reverb
Slowing down music for practice and making slowed + reverb edits are different goals with different tools. Practice slowing changes speed and pitch together. You want to hear the notes slower so you can learn them. Slowed + reverb is an aesthetic choice. It deliberately lowers the pitch along with the speed to create a deeper, dreamier version of the track, then adds reverb for atmosphere and bass boost for weight. If you are learning a song on guitar, you want the speed changer. If you are making a moody remix for a playlist, you want slowed + reverb. Orec has separate tools for each.
- Practice slowing: speed and pitch change together, like a turntable
- Slowed + reverb: speed drops, pitch drops, reverb and bass added for mood
- Use speed changer (/tools/speed-pitch-changer) for practice and transcription
- Use slowed + reverb (/tools/slowed-reverb) for aesthetic remixes
- Both run in your browser with no upload or account needed
Tips for Effective Practice with Slowed Audio
Slowing down a song is only half the technique. The other half is working your way back up to full speed. Start at whatever speed lets you play or sing along without mistakes. If 0.5x is too fast, go to 0.4x. There is no shame in starting slow. Once you can play the section cleanly three times in a row, increase the speed by 0.05x or 0.1x. This gradual approach builds muscle memory at every tempo. Loop a specific section rather than playing the entire song each time. Isolate the four bars that give you trouble and repeat those until they are automatic. Then put them back in context with the bars before and after.
- Start at whatever speed lets you play without errors
- Increase by 0.05x-0.1x after three clean repetitions
- Loop difficult sections instead of playing the full song each time
- Practice the transition into and out of the hard section
- Record yourself at each speed to track your progress
Speed & Pitch Changer
Speed up or slow down audio with natural pitch shift. Free, no signup, runs in your browser.
Frequently asked questions
Does slowing down a song change its pitch?
Yes. The Orec speed changer adjusts speed and pitch together, like a turntable. Halving the speed lowers pitch by one octave. The tool shows the pitch shift in semitones so you always know exactly how much it changed.
What is the slowest speed I can set?
You can slow audio down to 0.25x (quarter speed). At this speed a 3-minute song takes 12 minutes to play. Most practice use cases work well between 0.5x and 0.8x.
Can I speed up audio too?
Yes. The tool supports speeds from 0.25x up to 4x. Speeding up is useful for getting through long podcasts or audiobooks faster.
Does this work with YouTube videos?
The tool works with audio files (MP3, WAV, OGG, and others). You would need to download the audio from a YouTube video first, then upload it to the tool.
Is the slowed-down file the same quality as the original?
The output is exported at full quality. The speed change uses playback rate adjustment, which preserves audio fidelity at any speed setting.
Can I slow down just part of a song?
The speed change applies to the entire file. If you want to slow down just one section, use the audio trimmer (/tools/audio-trimmer) first to extract that section, then slow it down with the speed changer.