How do I convert AMR to WAV?

Add your AMR file to the upload area above, then press Convert. The WAV file downloads straight to your device. You do not need an account, and there is no watermark.

Are my files uploaded to a server?

No. This conversion runs entirely inside your browser using WebAssembly, so the file never leaves your device — you can even disconnect from the internet after the page loads and it will still work.

Does converting to WAV reduce quality?

No. WAV is a lossless format, so the conversion preserves exactly what is in your AMR file. Note that it cannot recover detail that was already discarded when the AMR was first created — a lossless container does not undo earlier compression.

How large a file can I convert?

Up to 300 MB per file for this conversion. Because the work happens in your browser, the practical limit is your device's memory — larger files work on a desktop with plenty of RAM and may fail on an older phone.

Can I convert several files at once?

Yes. Add as many as you like and press Convert All. Each file is processed independently, so one failure does not stop the rest, and you can download everything together as a ZIP.

Can I use this on my phone?

Yes. FileTools360 works in mobile browsers on iOS and Android, including choosing files straight from your camera roll. Very large videos may run out of memory on a phone — those are better converted on a laptop.

AudioLosslessRuns in your browser

AMR to WAV Converter

Turn AMR files into WAV in a couple of clicks. Narrowband speech codec from mobile voice recordings. Uncompressed PCM audio. Perfect quality, big files. The conversion is lossless — every pixel, sample or byte in the source is preserved.

On your deviceNever uploadedGone when you close the tabHow this works

Drop your files here

AMR files (.amr) · up to 300 MB each

or paste files from your clipboard

Ready when you are

Drop a AMR file above and FileTools360 will turn it into WAV — right here on your device, without uploading anything.

⌘K to search converters

How to use it

1
Add your AMR files
Drag them onto the upload area, choose them from your device, or paste them from your clipboard. You can queue several at once.
2
Adjust the settings if you want to
The defaults suit most people. Open Advanced to control bitrate, sample rate and channels and start and end times.
3
Convert and download
Press Convert. Everything happens on your own device — nothing is uploaded. Download files one by one, or grab them all as a ZIP.

AMR and WAV explained

AMR is a narrowband speech codec designed for mobile phone calls. It is optimised specifically for the frequency range of the human voice and sounds poor for anything else.

WAV stores uncompressed PCM audio — the raw samples, exactly as captured. A stereo CD-quality minute is roughly 10 MB, which is the price of having no compression whatsoever.

Where AMR files come from: Voice memos and voicemail from older phones.
Where WAV is used: Recording sessions, sample libraries and audio editing.

AMR vs WAV

The two formats solve different problems, which is why converting between them involves trade-offs rather than a straight upgrade.

AMR compared with WAV
Property	Source	Target
Compression	Lossy	Uncompressed
Introduced	1999	1991
Browser support	Poor. Convert to MP3 or WAV to use it.	Universal.

AMR is stronger at: Extremely small files. Adequate for speech intelligibility.
WAV is stronger at: Perfect fidelity with zero compression artefacts. No decoding overhead, so editors scrub instantly. Universally supported.

Why convert AMR to WAV?

People make this switch when they run into the limits of AMR: always — convert to MP3 or WAV so the recording stays usable. WAV is the better fit when recording, editing, mastering, or handing audio to another tool.

Be aware of the size trade-off: WAV is uncompressed, so expect the converted file to be considerably larger than the AMR you started with.

AMR limitations that prompt the switch: Terrible for music. Very limited playback support. Low sample rate ceiling.
What you give up: Very large files. No standard metadata support worth relying on.

Does converting AMR to WAV reduce quality?

Going from AMR to WAV moves already-compressed data into a format that stores it exactly. Nothing is lost from this point on, but nothing is recovered either — the detail AMR discarded when the file was first created is gone permanently. Expect a noticeably larger file for identical visual quality.