SoundForge

Free audio tools that run in your browser

Convert, trim, normalize, extract, and join audio — all processed locally on your device. Nothing uploads. Nothing is stored.

Convert audio format

Change one or many files between MP3, WAV, OGG, M4A, and FLAC. Drop several to batch-convert and download them as a zip.

Drag audio files here, or

    Trim audio

    Cut a section out of an audio file. Times are in seconds or mm:ss.

    Drag an audio file here, or

    Make an iPhone ringtone

    Turn any song into a ringtone (.m4r). Pick a start point and length (up to 40 seconds), then add it to your phone.

    Drag an audio file here, or

    Apple ringtones can be up to 40 seconds. After downloading the .m4r, add it to your iPhone with Finder (Mac) or iTunes (Windows) — full steps on the ringtone maker guide. On Android, just set any MP3 as your ringtone.

    Normalize loudness

    Even out volume to a standard loudness (EBU R128). Great for podcasts and mixes.

    Drag an audio file here, or

    Extract audio from video

    Pull the audio track out of your own video file (MP4, MOV, WEBM, MKV).

    Drag a video file here, or

    Change speed & pitch

    Speed up or slow down without changing pitch, shift pitch without changing speed, or both at once.

    Drag an audio file here, or

    Change volume

    Make an audio file louder or quieter.

    Drag an audio file here, or

    Fade in & out

    Add a smooth fade-in at the start and/or fade-out at the end. Durations are in seconds (0 = none).

    Drag an audio file here, or

    Reverse audio

    Play a track backwards — great for reverse effects and reveals.

    Drag an audio file here, or

    Vocal remover (karaoke)

    Remove the lead vocal from a stereo song to make a karaoke / instrumental track — instantly, in your browser.

    Drag a stereo audio file here, or

    This uses the fast center-channel method: it works best when the lead vocal is centered, and the result is mono. It needs a stereo file. For studio-grade separation into clean vocal / drums / bass / other stems, an AI splitter is on the way.

    Join audio clips

    Stitch multiple audio files together into one. They'll play in the order listed.

    Drag audio files here, or

      Keep SoundForge free

      Everything here runs on your device, so there are no per-file server costs — which means it can stay free forever. If it saved you time, a small tip keeps the lights on and new tools coming.

      ♥ Buy me a coffee