Audio Lab

FFmpeg.wasm audio tools for mastering, conversions, and creative tweaks—free, in-browser, and free from watermarks.

What this category does

Audio Lab helps you fFmpeg.wasm audio tools for mastering, conversions, and creative tweaks—free, in-browser, and free from watermarks.

What you get

Audio Lab gives you a local, searchable index of browser-first tools to open next, and helps you move directly into each route without leaving this page.

Total tools: 19

Live tools: 19

Audio Compressor

Control dynamics with attack, release, ratio, and makeup gain tuned for speech or music.

Visit Audio Compressor

Embed Cover Art

Add or replace album artwork inside MP3 and other metadata-friendly formats.

Visit Embed Cover Art

Crossfade Mixer

Blend two songs with adjustable overlap for smooth DJ-style transitions.

Visit Crossfade Mixer

10-Band Equalizer

Shape frequency response with a precise FFmpeg-based parametric EQ.

Visit 10-Band Equalizer

Fade In / Fade Out

Apply professional fade ramps to the start or end of any track.

Visit Fade In / Fade Out

FLAC to MP3 Converter

Transcode lossless FLAC recordings into lightweight MP3 files on your device.

Visit FLAC to MP3 Converter

M4A to MP3 Converter

Convert iPhone voice memos or Apple Music downloads into portable MP3 audio.

Visit M4A to MP3 Converter

Audio Metadata Editor

Inspect and update ID3 tags, titles, artists, and albums without re-exporting.

Visit Audio Metadata Editor

MP3 to FLAC Converter

Rewrap MP3 audio into FLAC containers for archival or editing pipelines.

Visit MP3 to FLAC Converter

MP3 to OGG Converter

Turn MP3 tracks into OGG Vorbis for game engines, web apps, and open codecs.

Visit MP3 to OGG Converter

MP3 to WAV Converter

Expand MP3 audio into uncompressed WAV for DAWs and precise editing.

Visit MP3 to WAV Converter

Noise Gate

Remove quiet background noise by clamping signal below a threshold.

Visit Noise Gate

OGG to MP3 Converter

Convert OGG files into MP3 for broader device compatibility.

Visit OGG to MP3 Converter

Pitch Shifter

Raise or lower pitch without altering tempo for voiceovers and music ideas.

Visit Pitch Shifter

Ringtone Maker

Trim, fade, and export ringtone-length clips for iOS and Android.

Visit Ringtone Maker

Time-Stretch Audio

Slow down or speed up tracks while maintaining pitch fidelity.

Visit Time-Stretch Audio

Trim & Join Audio

Cut unwanted sections and merge clips into a single timeline.

Visit Trim & Join Audio

Vocal Remover

Isolate vocals or instrumentals using phase cancellation and EQ tricks.

Visit Vocal Remover

WAV to MP3 Converter

Encode WAV stems into MP3 using browser-based FFmpeg pipelines.

Visit WAV to MP3 Converter