THE PASTEZAP TOOLKIT
Audio Tools
Trim, convert, join and process short recordings on your device.
Choose from 10 focused tools. Each page shows supported formats, practical examples and input limits before you begin. No account is required.
10 tools in Audio Tools
Audio Format Converter
Convert audio between WAV, MP3, OGG, M4A and FLAC locally.
Audio Compressor
Re-encode audio at your chosen sample rate and bitrate.
Audio Trimmer
Cut an exact numeric start/end interval from a local audio file.
Audio Reverser
Reverse the sample order of an audio track and export it.
Audio Loudness Normalizer
Apply FFmpeg EBU R128 loudness normalization to a local recording.
Audio Speed and Pitch Changer
Change audio speed and pitch independently with explicit ratios and semitones.
Audio Merger
Join audio files in the displayed order with standardized stereo resampling.
Stereo Center Cancellation
Subtract left and right stereo channels to reduce centrally mixed material.
Video Audio Extractor
Extract a local video audio track into WAV, MP3, OGG, M4A or FLAC.
Microphone Recorder and WAV Editor
Record microphone audio, inspect its waveform, trim or remove intervals and export WAV.