Free Online 5-Band Equalizer
Shape the tone of any track with five frequency bands.
What is this tool
AudioToolKit equalizes audio online for free with a 5-band equalizer that runs entirely in your browser. Cut or boost five bands — 60 Hz, 250 Hz, 1 kHz, 4 kHz and 12 kHz — between -12 and +12 dB to fix dull, harsh, boomy or thin mixes. Process MP3, WAV, M4A and other files and export the adjusted track as MP3 or WAV without uploading it to a server.
Drag and drop your files here
or
MP3, WAV, M4A, AAC, OGG, FLAC, AIFF, AIF, OPUS, WMA, AMR — up to 25 MB per file
Output
EQ-adjusted MP3 or WAV
Accepted formats
.mp3, .wav, .m4a, .aac, .ogg, .flac, .aiff, .aif, .opus, .wma, .amr
Why use this free tool
An equalizer is the fastest way to fix a tone you do not like: dull, harsh, boomy or thin. Five bands cover the practical range — lows, low mids, mids, presence and air — so you can balance a mix in seconds.
How does the free equalizer work?
- 1
Upload the track.
- 2
Drag the band gains: negative cuts, positive boosts.
- 3
Press Process and download the adjusted track.
Frequently asked questions
What do the five bands cover?
60 Hz (sub/bass), 250 Hz (warmth), 1 kHz (body), 4 kHz (presence) and 12 kHz (air).
Can I cut as well as boost?
Yes. Each band accepts -12 dB to +12 dB, so you can remove rumble or tame harshness.
Is the processing local?
Yes, the equalizer runs in your browser.
Related tools
More answers in the Help Center.