Free Online Audio Converter
Convert between MP3, WAV, M4A, OGG, FLAC, OPUS, and more — with full control over bitrate, sample rate, and channels.
Different devices, podcast hosts, and audio editors want different formats. Media Manipulator handles every common audio format in one place, with fine control over bitrate, sample rate, and channel layout.
How to use it
Upload audio
Drop in any common audio file.
Pick output format
MP3, WAV, FLAC, M4A, OGG, OPUS.
Tune bitrate and rate
Trim or run AI cleanup.
Download
Save the converted audio.
What this tool does
- Converts between MP3, WAV, M4A/AAC, OGG, FLAC, ALAC, OPUS, AC3, DTS.
- Choose bitrate, sample rate, and channel layout.
- Trim and apply EQ, denoise, or AI cleanup in the same upload.
- Outputs valid, ID3-tagged files where applicable.
Why it matters
- Podcast platforms, music services, and audio editors each prefer different formats.
- Smaller files mean smaller storage and faster delivery.
- Lossless formats are critical when audio will be re-edited.
Common use cases
Podcast publishing
WAV master → MP3 episode.
Voice memo sharing
Trim and compress to MP3.
Music archival
Convert MP3 → FLAC (no quality gain) or WAV → FLAC for lossless storage.
Game and app assets
Convert WAV → OPUS for tiny mobile assets.
Advanced details
- MP3 is the universal compressed format — every device plays it.
- FLAC and ALAC are lossless — bigger than MP3, smaller than WAV.
- OPUS (in OGG) is the smallest modern lossy format for voice and music — great when you control the player.
Why Media Manipulator
- Full control over bitrate, sample rate, channels.
- AI cleanup tools (denoise, isolate vocals, remove vocals) in the same upload.
- Free, no signup, no watermarks.
Privacy & file handling
Your uploads are processed on our own servers and are designed to be automatically deleted within 24 hours. We do not share your files with third-party AI providers, and AI features run on a local GPU server we operate. No login or account is required.
Frequently asked questions
What format is best for music?
FLAC for lossless storage, MP3 256–320 kbps for sharing, OPUS for the smallest streamable file.
What format is best for voice?
MP3 at 96–128 kbps is a great podcast default.
Can I trim while converting?
Yes — set start/end seconds in the trim section before submitting.
Is FLAC really lossless?
Yes — FLAC compresses without throwing away any data. Decoding gives a bit-perfect copy of the input.