Loopstitch is a powerful, fully in-browser audio workstation designed to turn any track, voice clip, or sound effect into a flawless, endlessly repeating loop. By combining advanced zero-crossing alignment—which snaps boundaries to silent intervals to eliminate abrupt transient pops—with studio-grade equal-power crossfading, the editor seamlessly stitches the tail end of your selection back into the beginning without any awkward volume dips or phase cancellation. Perfect for game developers, sound designers, video editors, and music producers, Loopstitch processes all audio locally on your computer for absolute privacy and delivers pristine, uncompressed WAV exports ready to import directly into Unity, Unreal, or your favorite DAW.
Loopstitch
Seamless crossfading Audio Loopmaker
♾️ How Loopstitch Creates Perfect Loops
Standard audio files usually sound disjointed, clicking or popping when they loop because the start and end wave phases do not align or because they contain different sound energies.
The Loopstitch Method:
- Zero-Crossing Snapping: Snaps selection boundaries to points where audio amplitude is exactly neutral to prevent instant transient clicks.
- Symmetrical Tail Crossfading: Takes the final C seconds of your selected zone, fades it out, and mixes it directly into the first C seconds of the selection (which is concurrently faded in).
- Equal-Power Gain Curves: Automatically utilizes trigonometric curves so that combining both ends doesn't produce an awkward dip in volume.
This lets you turn any standard track, drum loop, synth wave, ambient stream, or voice recording into an seamlessly repeating, gapless audio element.
Click here to upload or Drag & Drop your audio file (MP3, WAV, M4A, etc.)
Maximum recommended file size: 50MB
Loading and decoding audio data...
Performing mathematical buffer conversion
Interactive Waveform Stitcher
Loop Settings
Larger durations create a smoother transition blend, while shorter ones preserve more original composition duration.
Audition Engine
Export Processed Loop
WAV files preserve perfect uncompressed audio quality ideal for loop players, DAW sound libraries, and games.