Edit audio · Local tool

Audio Equalizer

Shape frequency balance with a 10-band equalizer that runs entirely in your browser.

Drop a file here or browse

MP3, WAV, FLAC, M4A, OGG — processed locally, never uploaded

About this tool

What it does

An equalizer lets you boost or cut specific frequency ranges so a mix sits better, a vocal stands out, or a muddy recording becomes clearer before you try to identify it. Music Identifier’s Audio Equalizer runs entirely in your browser with the Web Audio API: nothing is uploaded, and you can hear the result immediately. The eight bands cover the range most useful for everyday music work — from low bass energy around 60 Hz through presence and air at 8–16 kHz. Presets for Flat, Bass, Treble, and Vocal give you a fast starting point; every band can still be fine-tuned by hand. Because processing happens locally, the tool works well for private demos, rough mixes, and preparing a short sample for recognition when the original file is too dark, thin, or harsh.

When to use an online audio equalizer

Use an audio EQ when a recording sounds boomy, dull, thin, or crowded. Small cuts to muddy low-mids can improve clarity, while a gentle presence boost may help a vocal or lead instrument stand out. The built-in Flat, Bass, Treble, and Vocal presets are starting points—not one-size-fits-all fixes.

This is a practical eight-band equalizer for quick edits and listening experiments, not a full mastering suite. The filters use fixed center frequencies and moderate bandwidths. Strong boosts can cause clipping, so compare changes at a comfortable volume and export only when the result sounds right.

Practical EQ tips for clearer audio

Start with subtle adjustments and listen to the full phrase rather than judging a frequency band in isolation. A small reduction can often solve muddiness more naturally than a large boost elsewhere. If you are preparing a clip for song recognition, prioritize a clean, recognizable section and avoid extreme processing that changes the character of the recording.

The equalizer is useful for quick tonal experiments, checking how a vocal sits against accompaniment, or reducing distracting low-frequency rumble. Export creates a separate processed WAV, so you can keep the source untouched and compare both versions whenever you need.

Workflow

How to use it

01

Load an audio file

Drop an MP3, WAV, FLAC, or other common format into the panel, or choose a file from your device. The waveform appears once the browser has decoded the audio.

02

Choose a preset or move the bands

Start with Flat, Bass, Treble, or Vocal if you want a known shape. Then adjust individual bands between −12 dB and +12 dB until the balance feels right.

03

Preview and apply

Use playback to compare the current curve with the original. When you are satisfied, apply the equalizer to render a new version of the buffer and download it if you need the file.

04

Use the result elsewhere

The processed clip can be saved or fed into Song Recognizer or other tools on this site without leaving the browser.

Tip: Make one or two small changes at a time, preview the result, and reset to Flat whenever you want to compare against the unprocessed source.

FAQ

Questions about Audio Equalizer

01Does the equalizer upload my audio?+

No. Everything runs locally in your browser using the Web Audio API. Your file is decoded on the device, filters are applied in real time, and nothing is sent to our servers. You can use the tool offline once the page has loaded.

02What do the frequency labels mean?+

Each label is the center frequency of a band in the 10-band equalizer — from low bass (31 Hz, 62 Hz) through midrange (250 Hz–2 kHz) up to air and brilliance (8 kHz, 16 kHz). Low shelves shape the bottom end, peaking filters sculpt mids, and high shelves control treble. Small moves of 2–4 dB are usually enough for natural results.

03Can I damage the audio with high boosts?+

Yes — aggressive boosts can cause clipping, harshness, or a thin, fatiguing sound. Prefer moderate adjustments, listen with the live preview, and pull down neighboring bands if something feels too loud. After heavier EQ, you can run the track through Normalize to restore a healthy overall level.

04Is this a parametric EQ with adjustable Q?+

This version uses fixed musical centers with carefully chosen Q values for fast, practical shaping. It is ideal for cleaning up voice notes, balancing a mix before recognition, or applying genre presets. For full parametric control with free frequency and Q, a desktop DAW is still the better choice.

05Which output format should I choose?+

Use WAV or FLAC when you want a lossless result and plan further editing. MP3 at 320 kbps is a solid default for sharing and everyday listening. Lower MP3 bitrates save space but may soften high frequencies — fine for drafts, less ideal as a final master.

06Do the presets replace manual EQ?+

Presets (Bass Booster, Vocal Boost, Podcast, Rock, and others) are starting points, not fixed rules. Apply a preset, then fine-tune individual bands while previewing. Every track is different — a preset that works on one song may need small corrections on another.