FreeOnlineAudioEditor.com
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Free Audio Effects · No signup · Runs in your browser

Add Effects to
Audio, Free

Apply reverb, echo, EQ filters and more to any audio file. Adjust playback speed, set fades, and fine-tune your sound — all in real time, right in your browser.

Tap or drop your audio / video here
MP3 · WAV · M4A · OGG · FLAC · AAC  ·  MP4 · MOV · WebM

Free audio tools

Each tool opens with a dedicated editor and step-by-step guide.

Transcript Editor
Edit audio by deleting words — AI generates a transcript, and your text deletions directly cut the audio.
Try it free
Trim Audio
Crop and shorten any audio file — drag the waveform handles to set exact start and end points.
Try it free
Cut Audio
Slice out any section, remove silence, or chop clips with the one-click slice tool.
Try it free
Merge & Mix Tracks
Combine multiple audio files on one timeline — merge, crossfade, and layer clips from different sources.
Try it free
Extract from Video
Rip the audio track from any MP4, MOV, or WebM video file directly in your browser.
Try it free
Effects & EQ
Add reverb, echo, EQ filter and adjust playback speed in real time.
Try it free
AI Noise Reduction
Instantly remove background hums, static, and fan noises from voice recordings.
Try it free
Audio to Video
Turn audio into beautiful glowing waveforms. Export for TikTok, Instagram & YouTube.
Try it free

Why use this editor

Export WAV & MP3
Download your finished edit as a lossless WAV or compressed MP3 file.
100% Private
Everything runs in your browser. Your files never leave your device.
Free & No Signup
No account, no watermark, no time limit. Open and start editing now.

How it works

1
Upload your file
Tap the upload area or drag & drop any audio or video file from your device.
2
Trim, cut & mix
Slice segments, drag to reorder, apply effects and set fades — all in your browser.
3
Export & download
Download your finished audio as a WAV or MP3 file. No email or account needed.
Ready to edit your audio?
Free, private, and no signup required.

Frequently Asked Questions

Is this audio editor really free?
Yes! There are no hidden fees, no subscriptions, and no watermarks on your exported files.
Do I need to download any software?
No, everything runs entirely within your web browser. You don't need to install any plugins or extensions.
Are my audio files secure?
Yes, 100%. The editing happens locally on your device. Your files are never uploaded to our servers, ensuring complete privacy.
What file formats are supported?
You can import MP3, WAV, M4A, OGG, FLAC, AAC, as well as extract audio from MP4, MOV, and WebM videos. You can export to WAV or MP3.
Does it work on mobile?
Absolutely! The interface is fully responsive and works beautifully on iPhones, iPads, and Android devices.

How to use

  1. 1
    Upload your audio or video file
    Drop any MP3, WAV, M4A, OGG, FLAC, or video file into the editor. It loads instantly in your browser.
  2. 2
    Apply effects in the mixer panel
    Use the mixer panel on the right to add reverb, echo/delay, low-pass/high-pass/band-pass EQ, adjust volume, and set fade in/out. Hit Play to hear your changes in real time.
  3. 3
    Apply per-clip effects (optional)
    Select a specific clip on the waveform to apply effects to just that segment — ideal for mixing tracks with different treatment.
  4. 4
    Export with effects baked in
    Click Export → WAV or MP3. All effects are rendered into the final file at full quality.

Frequently asked questions

Add Studio Effects to Audio Online

Enhance your sound with professional-grade studio effects right in your web browser. Our free online audio effects editor allows you to add lush reverb, rhythmic delay (echo), and apply precise low-pass or high-pass EQ filters to any MP3, WAV, or M4A file.

Perfect for fixing muffled podcast recordings, adding atmosphere to a vocal track, or creating stylized sound design. All effects are applied non-destructively, meaning you can adjust knobs and sliders in real-time while listening to the playback. When you achieve the perfect sound, export to MP3 or WAV instantly—no software installation required.

Other free audio tools

Trim AudioCut AudioMerge AudioExtract Audio from VideoFull Editor