Free Audio Joiner
Combine several tracks into one continuous file, with smooth crossfades and no gaps at the joins. Everything runs in your browser.
Merge Audio Tracks Seamlessly in Your Browser
Stitch songs, stems, or recordings together with precise crossfades, automatic silence removal, and private local export.
Merge Audio Files Locally and Privately
Your audio never uploads to a remote server. Decoding, waveform rendering, crossfading, and encoding happen directly in your browser.
Smooth Joins with Equal-Power Crossfades
Blend adjacent tracks with musical equal-power crossfades up to 10 seconds, and automatically trim dead silence where files meet.
Reorder Tracks and Preview Every Transition
Drag clips into sequence, set individual start and end points on responsive waveforms, and audition playback before exporting.
Download in MP3, FLAC, or WAV
Export standard 320 kbps MP3 for fast sharing, lossless 16-bit FLAC for archival quality, or uncompressed WAV for your audio editor.
How to Merge Audio Files in 3 Steps
Combine multiple songs or audio tracks into one continuous file without installing desktop software.
Add Your Audio Tracks
Upload MP3, WAV, M4A, FLAC, or OGG files from your device, or pick finished music from your library.
Arrange and Fine-Tune Transitions
Drag tracks into order, adjust clip boundaries, and set fade-in and fade-out durations on each seam.
Export and Download
Choose MP3, FLAC, or WAV format, then click download to encode and save the merged audio to your device.
Popular Ways to Use the Audio Joiner
From gapless playlists and podcasts to song medleys and voice memos, stitch your audio without hard cuts.
Continuous Playlists and Ambient Mixes
Blend multiple generative ambient tracks, background music, or chillout sessions into one gapless listening experience.
Podcast Episodes and Voice Segments
Assemble intro music, spoken interviews, mid-roll segments, and outro stings into a single publish-ready audio file.
Song Medleys, Demos, and Mixtapes
Stitch song previews, client demo reels, or party medleys together with smooth musical overlaps between tracks.
Voice Memos and Phone Recordings
Combine voice notes, chat clips, or field recordings into one file you can share or keep, without installing a desktop editor.
Audio Joiner FAQ
Common questions about merging audio files, crossfades, formats, and privacy.