Browser-based audio converter

Convert Audio Files Online

Convert MP3, WAV, M4A, AAC, OGG, FLAC and supported WebM audio in your browser. Choose an output for playback, editing, sharing or lossless storage.

Drop an audio file here

MP3, WAV, M4A, AAC, OGG, FLAC and WebM

Your audio stays in this browser. It is not uploaded to a FlowPick server.

About audio conversion

What audio conversion actually changes

An audio file combines encoded sound with a container or file format. Conversion decodes the source and creates a new output for a player, editor, upload form or archive. WAV to MP3 makes a smaller delivery copy; FLAC to MP3 improves compatibility; MP3 to WAV creates an uncompressed working file but does not restore detail already lost to compression. FlowPick performs this processing locally in your browser.

Common conversions: WAV to MP3 · FLAC to MP3 · OGG to MP3 · MP3 to WAV · M4A to MP3

WAV · FLAC · M4A (AAC) · OGG (Opus)

MP3 · WAV · M4A (AAC) · FLAC · OGG (Opus)

Your audio stays in this browser. It is not uploaded to a FlowPick server.

How to convert audio online

Convert an audio file in three local steps

There is no account, upload queue, or server-side transcoding. Select a file, choose the output that fits your use case, then save the converted result.

1

Choose an audio file

Drop in a WAV, MP3, M4A, OGG, FLAC, AAC, or supported WebM audio file.

2

Pick the output format

MP3 is selected by default. Choose WAV for uncompressed editing, M4A for efficient AAC playback, FLAC for lossless storage, or OGG when your browser supports Opus encoding.

3

Convert and download

The browser checks source decoding and output encoding support, processes the file locally, and gives you a new downloadable file.

Built for practical audio work

Local audio conversion with clear controls

See the target format, quality setting and browser compatibility before processing starts. The result is created for a real playback, editing or delivery workflow—not just given a different extension.

Local processing

The selected file is decoded and encoded in this browser. There is no upload queue or account requirement for the conversion itself.

A useful default

MP3 is preselected because it remains the easiest format to open, share, and upload across devices and services.

Compatibility before work starts

FlowPick checks whether the browser can read the source and make the requested output, instead of presenting a completed-looking result that cannot be saved.

Part of the audio flow

A completed Audio Downloader result can be handed here directly, so downloading and format conversion stay in one browser session.

Convert audio for sharing, editing and archiving

Choose the destination first, then create the format that fits it. These common workflows show when conversion is useful and what it cannot improve.

WAV or FLAC → MP3

Share a recording

Create a smaller, broadly playable copy of an interview, voice note, rehearsal, or lecture for colleagues and listeners.

WAV → MP3 or M4A

Prepare an upload

Make a compressed delivery copy when a publishing platform, CMS, or player does not need a large production master.

MP3 or M4A → WAV

Move into an editor

Use WAV when an editing workflow needs uncompressed PCM. This makes a suitable working file; it does not recover detail lost in the original compressed source.

Supported audio → FLAC

Keep an archive copy

Use FLAC when you want a lossless result from what the browser decoded, while accepting a larger file than MP3 or M4A.

Which audio format should you choose?

The best target depends on where the audio will be used. Converting a lossless source to a lossy format reduces file size, but it cannot add detail that was not in the original recording.

MP3 for broad compatibility

Use MP3 for music players, uploads, sharing, and older devices. It is the default because it is widely accepted and typically much smaller than WAV.

WAV for editing

Use WAV when a DAW, editor, or production workflow needs uncompressed PCM audio. Expect a larger file than compressed formats.

M4A/AAC for efficient playback

Choose M4A when you want a modern compressed file for Apple-oriented workflows or AAC-compatible players.

FLAC for lossless archives

Choose FLAC when preserving decoded audio without further lossy compression matters more than file size.

Format comparison at a glance

Use this as a destination guide. The source quality, browser support, and the app that will open the file still matter.

OutputBest forKeep in mind
MP3Sharing, uploads, everyday playbackLossy compression; choose a higher quality setting if file size allows.
WAVEditing and uncompressed PCM workflowsVery large files compared with compressed formats.
M4A (AAC)Efficient playback and AAC-compatible workflowsLossy; some older devices expect MP3 instead.
FLACLossless storage and compatible playersLarger than MP3/M4A, and not every player supports it.
OGG (Opus)Opus-aware web and open-format workflowsAvailability depends on this browser's encoding support.

What this converter does and does not change

Conversion changes the file container and audio encoding. It does not remove DRM, bypass access controls, restore quality lost in an earlier MP3 or AAC encode, or turn a protected stream into an unrestricted file. Some source codecs and OGG/Opus output combinations depend on the browser's available decoding and encoding support.

Before you convert

Start from the best source you have

Converting a low-bitrate MP3 to WAV or FLAC makes a larger file, not a higher-fidelity recording. When possible, use the original WAV, lossless file, or highest-quality download.

Use a compressed format for delivery

MP3 and M4A are generally better for sending and publishing. WAV is usually a working or production format, not the most convenient final download.

Leave the tab open for long files

Processing uses this device's CPU and memory. Keep the tab open, avoid putting the browser to sleep, and close memory-heavy apps if a large conversion struggles.

Check the exported file before replacing anything

Open the converted copy in the target player or editor first. Keep the original until you have confirmed the duration, playback, and destination compatibility.

More audio and media tools

Audio converter FAQ

Can I convert WAV to MP3?

Yes. Choose a WAV file, keep MP3 selected, then start conversion. The result is re-encoded locally as MP3.

Can I convert OGG or FLAC to MP3?

Yes when the browser can decode the uploaded file. FlowPick checks the source codec before processing and reports a clear error if the browser cannot read it.

Are my audio files uploaded?

No. The conversion worker runs in your browser and FlowPick does not send the selected audio file to a processing server.

Will converting MP3 to WAV improve the sound?

No. WAV avoids a second lossy encode, but it cannot restore detail that was removed when the MP3 was created.

Why is OGG unavailable or failing?

OGG output uses Opus encoding, which depends on browser support. MP3, WAV, M4A/AAC, and FLAC are the more predictable target choices.

Can I convert any audio format?

The tool accepts common audio files, but a result still depends on whether this browser can decode the source codec and encode the selected target. A clear compatibility message appears before or during conversion when that is not possible.

Is there a file-size limit?

FlowPick does not send the file to a conversion server, but processing still uses the memory and performance available in this browser. Very long or high-resolution files can be impractical on a device with limited memory.

Will album artwork and tags be preserved?

Do not rely on this converter to retain embedded artwork, titles, artist tags, chapters, or other container metadata. Check the downloaded file if those details are important to your delivery workflow.