444 Hz Tuner
444hz.app
Free browser pitch changer for MP3, WAV, AAC, M4A and FLAC. Detect a song's A4 tuning and retune it to 444 Hz or 432 Hz with no tempo change.
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Music AppsRetune, compress and cut your audio and video
Free music and media tools that run in your browser. Detect a song's tuning and retune it to 444 Hz or 432 Hz, shrink audio, video and image files without uploading them anywhere, and turn a widescreen music video into vertical Shorts cut on the beat.
Made for musicians and media teams
Your pitch, your choice
444 Hz Tuner reads a song's existing A4 tuning and retunes it to 444 Hz or 432 Hz with no change in tempo — for worship teams, producers and listeners who prefer an alternative concert pitch.
Files small enough to send
Compress My Media shrinks audio, video and images in batches, with preview before download — useful when a recording of a Mass or a rehearsal is far too large to email or upload.
Nothing leaves your computer
Every one of these tools runs locally in your browser. Your music and video are never uploaded to a server, and there is nothing to install.
The apps
Live
Compress My Media
compressmymedia.com
Compress audio (MP3, WAV, M4A, AAC, FLAC), video (MP4, MOV, MKV, WEBM, AVI) and images locally in your browser. Batch queues, compression levels, previews and instant downloads.
My Shorts Studio
myshortsstudio.com
Upload a 16:9 music video and get 3-5 algorithm-tuned 9:16 Shorts, cut on the beat and reframed scene by scene. Runs entirely in your browser.
Retune a song right now
Drop in an MP3, WAV, AAC, M4A or FLAC and hear it at 444 Hz or 432 Hz — free, in your browser, with no upload.
Visit 444hz.app