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OneFileConverter

10 free tools

Free audio tools

Convert between MP3, M4A, WAV and OGG, make ringtones, join tracks, fix quiet recordings and add fades — all on your device.

Presets & conversions

Ready-made settings for common jobs — each opens its tool already set up.

Coming soon: AI audio tools

New AI tools we’re building — free, like everything here.

Audio to Text

Speech to text with Whisper — TXT, SRT or VTT subtitles.

Soon

AI vocal remover

Split songs into separate vocal and instrumental tracks.

Soon

AI noise remover

Clean background noise, hum and echo out of recordings.

Soon

AI text to speech

Turn text into natural-sounding speech you can download.

Soon

AI audio summarizer

Turn meetings, lectures and podcasts into short notes.

Soon

AI audio translator

Translate speech in recordings into other languages, with a transcript.

Soon

Help with audio tools

Which audio formats are supported?

You can open MP3, M4A, WAV, OGG and FLAC files — and the sound in MP4, MOV and WebM videos — and save as MP3, M4A, WAV or OGG.

Can I get the audio out of a video?

Yes. Video to MP3 saves the sound track of a video as MP3, M4A or WAV, and MP4 to MP3 is set up for MP4 files.

Will converting to MP3 lower the quality?

MP3 is lossy, so a little detail is traded for a much smaller file. At 192 kbps or higher most people can't hear a difference; WAV keeps everything but is far larger.