Half-Speed Audio
Slow any track to 0.5× playback. Pitch preserved for podcasts and lectures, or pitched-down for the classic slowed sound.
Drop your audio file here
or click to browse a file
Half-speed render — locked at 0.5× playback rate
Pitch handling
About half-speed audio
Half-speed playback is the fastest way to transcribe a fast talker, learn a guitar lick note-for-note, study a foreign-language podcast, or pull samples from a track. The tool stretches the audio to twice its original duration. You pick whether the pitch should follow the speed (lower pitch — the classic slowed sound) or stay locked (so voices keep sounding natural).
Pitch-preserved 0.5× is the right choice for spoken content. Pitched-down 0.5× is the right choice when you're going for the slowed-and-reverb / vaporwave aesthetic.
How to half-speed audio
- 01
Drop your file
MP3, WAV, FLAC, OGG, AAC, M4A — any common audio format.
- 02
Pick a pitch mode
Preserve pitch for spoken content. Let pitch follow speed for the slowed-and-reverb / chopped-and-screwed feel.
- 03
Render and download
Output is the same format as the input (MP3 stays MP3, FLAC stays FLAC), at 0.5× duration.
Why use this half-speed tool
- Locked at 0.5× — one-click preset, no slider to fiddle with
- Pick whether pitch is preserved or follows the speed
- Same input format on the way out — MP3 in, MP3 out
- Free, private, no install
- No file size or duration cap from us
- Useful for transcription, instrument practice, sample-pulling and slowed-and-reverb edits
Half-speed FAQ
Will the audio sound chipmunky-but-low?
Only if you choose 'Pitch follows speed'. With 'Preserve pitch' on, voices stay sounding like themselves and just play at half speed — perfect for transcription.
Can I go even slower than 0.5×?
For 0.25× and other custom speeds use our main /speed-changer page.
Does it work on long files?
Yes. Hour-long podcasts work fine on a desktop.
Is my file kept private?
Yes. We don't analyse or index your file.
More effects tools
Pitch, speed, vocals, bass