Audio & Video
A curated list of 16 free browser-based tools for Audio & Video tasks. Processing runs 100% locally in your browser memory for maximum privacy.
Audio Cutter & Trimmer
Cut and trim audio files visually using high-resolution waveforms.
Audio Merger
Combine and concatenate multiple audio files into a single track.
Voice Recorder
Record audio from your microphone with a real-time waveform visualizer.
Video Audio Extractor
Extract raw audio tracks from video files (MP4, WebM) client-side.
Audio Speed Changer
Change the playback speed and pitch of audio files locally.
Video to GIF
Convert video clips into animated GIFs offline.
Video Muter
Remove audio tracks from video files locally.
Audio Volume Booster
Boost audio track volume in decibels with an optional anti-clipping dynamics limiter.
Slowed + Reverb Generator
Slow down and pitch-shift audio files convolved with synthetic acoustic room reverberations.
Audio Tone Generator
Play and sweep pure audio frequencies from 20Hz to 20kHz with live oscilloscope feedback.
Retro Sound Synthesizer
Create 8-bit chiptune sound effects with customizable wave types, envelopes, vibrato, and presets.
Binaural Beats Generator
Generate binaural brainwave frequencies mixed with ambient ocean, wind, rain, and storm noise.
Text to Speech (TTS)
Convert typed text into realistic spoken audio using your browser's local voice engine.
Audio Waveform Image Generator
Upload audio files to decode, customize, and export visual waveform images.
SRT Subtitle Sync Tool
Shift subtitle timestamps forward or backward and stretch/compress playback ratios.
Voice Changer
Pitch-shift audio files or live recordings with funny vocal effects in-browser.