Do I gain quality by converting an MP3 to WAV?

No. WAV stores what it is given, so a WAV made from a lossy file is a much larger container holding the same already-reduced audio. Convert to WAV from a lossless or uncompressed source when the aim is genuinely better fidelity.

16-bit or 24-bit for a project?

24-bit if the file is going to be edited, mixed or processed more than once, because the extra headroom keeps rounding error out of the result. 16-bit for anything finished and being handed to someone else.

Why is the WAV so much bigger than the source?

Because it is uncompressed. Nothing is thrown away, so size follows directly from the sample rate, the channel count and the bit depth. A three-minute stereo track at 44.1 kHz and 16-bit lands near 30 MB.

Can the WAV keep my tags and cover art?

No, and the tool does not pretend otherwise. Preserving metadata sends the job through the wider encoder path, but WAV has no standard field set for tags or pictures, so alternate formats are the honest choice when the labels matter.

Does the sample rate ever get increased?

Never above the source. The tool clamps the requested rate to the file's own so the output cannot claim detail that was not recorded. Lowering it is applied normally, with the audio resampled in the browser.

WAV Converter

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Universal audio format converter with batch support

WAV Converter writes uncompressed PCM audio into the WAV container, at 16-bit or 24-bit depth. It is the format to choose when the file is going into an editor rather than a phone.

What is WAV Converter?

Drop a file, choose the bit depth, and write. The files the tool produces are the same shape as the audio a recording engineer would expect: uncompressed PCM, sample-accurate and immediately editable.

The controls:

A bit depth of 16-bit or 24-bit, where 16 is the delivery standard and 24 is the one to pick for work that will be processed again.
Advanced settings for channel mode, sample rate and metadata, the same panel every converter here shares.
A reported output size and the settings that produced it, so the cost of a depth change is visible before you commit to it.

WAV has its own in-process writer, which makes it one of the three formats that can convert without any encoder download: the browser decodes the source, the writer lays the samples into the WAV structure, and the file is handed back. Asking for 24-bit, mixing to mono, or resampling all stay inside that path, because the Web Audio layer and the writer both handle them natively. Only metadata preservation escalates, and for a good reason: WAV never had a proper tagging standard, so there is nothing in the writer that could carry tags or artwork even if you wanted it to. When the job does go through the wider encoder set, the PCM codec is chosen to match the depth you asked for.

Depth is a dynamic-range decision rather than a quality label. Sixteen bits give an ideal quantiser about 96 dB of range, which comfortably covers anything a listener will ever hear, while 24 bits give roughly 146 dB and cost half again the file size. The extra room is not for listening louder; it is for surviving repeated processing, because each stage that rounds a sample adds a little error and a 24-bit file has far more distance between its quietest detail and its noise floor. That is why an editing session runs at 24 bits and the delivered master is written at 16.

Size is where WAV is honest and unforgiving. Sixteen-bit stereo at 44.1 kHz costs roughly 10 MB per minute, and 24-bit at the same rate costs around 16 MB per minute, because there is no compression at any point. Doubling the channel count or the sample rate doubles the file again, so a six-channel 24-bit mix at 48 kHz grows by a factor of three over a plain stereo version. That is the trade for storing every sample exactly as it was decoded. Converting a lossy source to WAV cannot improve it: the file gets much larger and contains precisely the audio it was given, including whatever the earlier encoder removed.

Where it stops:

No compression, so a long recording becomes a very large file.
Artwork and tags are not supported in the output, and the request to preserve metadata routes around the in-process writer instead.
No dithering stage, so a change from 24-bit to 16-bit simply drops the extra bits rather than shaping the error.
One file per run.
No editing, trimming or normalising on the way through: the samples are written as decoded.

How to use WAV Converter

Drop an audio file onto the panel and wait for it to decode.
Choose 16-bit for finished audio or 24-bit for material that will be edited further.
Adjust the channel mode or sample rate in advanced settings if the target needs them.
Convert, check the reported size, and download the WAV.

When to use WAV Converter vs related tools

WAV Converter is the right destination when the next stage is an editor, a mixer or an archive that must hold an exact copy. FLAC Converter stores the same samples in roughly half the space when you want lossless without the bulk, AIFF Converter is the equivalent choice for Apple-centric production, and Audio File Size Calculator works out what a duration will cost at a given depth and rate before you convert.

Privacy & Security

This tool runs entirely in your browser — no data ever leaves your device. There is no server round-trip, no upload, no logging, and no account required. Your input is processed locally using client-side JavaScript and is never stored, transmitted, or accessible to anyone else. When you close the tab, everything disappears.