Audio & Video

Combine and concatenate multiple audio files into a single track.

Cut and trim audio files visually using high-resolution waveforms.

Record audio from your microphone with a real-time waveform visualizer.

Pitch-shift audio files or live recordings with funny vocal effects in-browser.

Convert typed text into realistic spoken audio using your browser's local voice engine.

Change the playback speed and pitch of audio files locally.

Boost audio track volume in decibels with an optional anti-clipping dynamics limiter.

Extract raw audio tracks from video files (MP4, WebM) client-side.

Remove audio tracks from video files locally.

Convert video clips into animated GIFs offline.

Slow down and pitch-shift audio files convolved with synthetic acoustic room reverberations.

Create 8-bit chiptune sound effects with customizable wave types, envelopes, vibrato, and presets.

Play and sweep pure audio frequencies from 20Hz to 20kHz with live oscilloscope feedback.

Generate binaural brainwave frequencies mixed with ambient ocean, wind, rain, and storm noise.

Upload audio files to decode, customize, and export visual waveform images.

Shift subtitle timestamps forward or backward and stretch/compress playback ratios.