Here are the best free online audio and music speed changers to change the tempo of audio in your browser.
Why Use Audio Speed Changers:
- Speed Up Audiobooks to Learn Faster
- Transcribe Audio
- Speed Up a Podcast, Speech, or Meeting Audio Notes
- Instrument Learning ( Guitar, Piano, Flute, etc. )
- Slow Down Audio to Learn a New Language
- Speed Up or Slow Down Your Favorite Music
Audio speed changers can be used to change the playback speed of an audio file fast and easily.
Related: 20 Free Online Audio Editors
Free Online Music Speed Changers
Instructions: Click the image to visit each website.
1. Audio Trimmer Speed Changer
This free online audio speed changer lets you change the tempo of any audio file without changing its pitch. Upload your audio track, choose your tempo, and click Change Speed.
Within seconds you can process the audio and download the music file. Change the speed of music files on the go because it is mobile-friendly. You can also slow down songs to practice your instrument while jamming.
Supported Formats: MP3, WAV, WMA, OGG, AAC, FLAC, etc.
This audio speed changer is both mobile-friendly and easy to use.
2. MP3Cut Change Speed
MP3Cut allows you to increase or decrease the speed of music online fast. It is free and easy to use.
Simply drag your audio file into the window and adjust the slider at the bottom to change the audio speed.
- Supports All Audio Formats
- Safe & Secure
- Upload Up to 10 GB
- Change Music Pitch
- Trim & Cut Audio
- Export as MP3, M4A, FLAC, WAV, M4R
3. True Tone Music Speed Changer
With this music speed changer, you can speed up and slow down music in real-time, change audio pitch, and create audio loops.
You can process audio in real-time on your PC, Mobile, and Apple Devices.
This is a music speed changer and audio pitch shifter app.
- Change Speed & Pitch
- Create Audio Loops
- Export Formats: MP3, M4R, M4A, OGG, OPUS, FLAC, WAV
4. Audio Speed Changer
Free audio tool for speeding up or slowing down audio without affecting pitch.
The BPM will be automatically detected for song files so you can change the BPM to the one you prefer. The tempo can be changed by adjusting the tempo shifter.
The app runs in the browser, no software needs to be installed and is available for mobile devices.
- Live Audio Preview
- Export to WAV, MP3, OGG
- Change BPM
- Trim Audio
5. Music Speed Changer
The music speed changer is an online web app that lets you change the speed of audio files in real-time without affecting the pitch. Or change the pitch of an audio file without changing the speed.
Get started by selecting any audio file on your device and clicking the “Choose Audio File” button.
- Multi-Language Support
- Online & Offline Mode
- Change Tempo & Pitch
- Loop Audio
- Supports Mobile & Tablet Devices
- Time Stretch Feature
- Pitch Shift
6. Audio Alter Tempo Changer
This audio service lets users alter the tempo while maintaining the pitch, of audio files of their choice.
It is easy to adjust the speed of a song without changing the key if you find it too slow. You can also slow down a song, which can be useful if you want to transcribe it.
You can play along with a song while slowing down the music.
- Preserve Pitch
- Live Audio Preview
7. TimeStretch Audio Player
The Time Stretch Player is a free online audio player that lets you loop, speed up, slow down, and pitch shift audio sections.
It is an excellent tool for practicing music or transcribing audio.
- Change Speed, Pitch, Tune
- Quick Keyboard Shortcuts
- Supports: MP3, MP4, OGG
- Best in Google Chrome & Firefox
8. Online Tone Generator
You can use this free online time stretcher tool to change the tempo of audio files without affecting the pitch.
You can either slow your audio file down or speed it up.
Select the audio file you wish to pitch shift from your computer by clicking the “Choose File” button.
After clicking the play button, the playback will begin, and the tempo can be adjusted by using the slider. Tempo changes are useful for a wide range of purposes.
A good example of this would be slowing a song down to play along with it.
- Export Formats: MP3 & WAV format
9. X-Minus Pro
With this tool, you can quickly change the pitch of any audio track, as well as speed it up or slow it down. Use this tool to change the pitch of a song.
- Change Pitch, Temp, Bitrate
- Supported Browsers: Chrome, Opera, Mozilla Firefox, Edge
10. TwistedWave Online
TwistedWave is an audio editor that runs in a browser. This web-based program enables you to record and edit any audio file using only a web browser.
There is no need to download anything, nor do you have to save your work after the session. Select the audio you would like to change and select “Change Pitch and Speed” under Effects.
This tool is limited to edit mono audio files up to 5 minutes in length.
Extra Speed Changers
- Conversion Tool – The tempo (tempo) and pitch (audio key) of music can be changed with this tool.
- Speed Changer – This free audio speed changer app changes the playback key (pitch) and speed (tempo) of music.
What is an Online Audio Speed Changer?
Online music speed changers ( or audio speed changers) are web-based applications that can change the playback speed of audio files online.
An online music speed changer can change the tempo of a song to suit different needs.
We hope you find these free music speed changers helpful.
They can be useful to speed up or slow down audio fast without having to install any software programs.