Audio Tools - Convert, Merge, Trim Audio Online Free

Free online audio tools. Convert audio formats, merge audio files, trim, add effects, normalize volume. No signup required.

Merge Audio

Join tracks end-to-end or mix multiple tracks into one seamless audio file.

Trim / Cut Audio

Cut a segment by start/end time. Precisely trim your audio files.

Convert Format

Convert between mp3, wav, m4a, flac, ogg and other audio formats.

Normalize Audio

Match perceived loudness (LUFS) across tracks for consistent volume.

Fade In / Out

Add smooth fade effects on start/end of your audio tracks.

Crossfade

Join tracks with overlap and crossfade for seamless transitions.

Extract Audio

Extract audio from video files and save as mp3, wav, or other formats.

Change Sample Rate

Adjust sample rate and bitrate. Downsample/upsample or change quality.

Split by Silence

Automatically segment long recordings into separate tracks by detecting silence.

Edit Metadata

Read/write ID3 tags, edit artist, album, title, and add cover art.

Generate Waveform

Create waveform previews and spectrograms for UI preview and scrubbing.

Compress Audio

Re-encode files for web streaming. Create web-optimized versions.

Add Effects

Apply echo, reverb, equalizer presets and other basic audio effects.

Batch Processing

Process multiple files in one job. Perform operations on playlists.

Make 3D/8D Audio

Experience immersive 3D, 8D, and 16D audio with spatial panning effects.