WMA
→
AMR

Convert WMA to AMR Online

Convert WMA to AMR online. Start with free daily conversions, no install, no watermarks, and visible job status.

WMA to AMR Converter

Upload your WMA file to convert it to AMR format

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How to Convert WMA to AMR

Follow these simple steps

1

Step 1: Upload Your File

Upload your WMA file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

AMR is automatically selected as the output format

3

Step 3: Start Conversion

Click the Convert button to start the conversion

4

Step 4: Download Result

Download your converted AMR file when ready

Convert WMA to AMR - Complete Guide

Converting WMA to AMR stays in the audio file family but changes the traits that decide size, quality, transparency, editability, or device support. WMA is a audio format. Windows Media Audio. AMR is a audio format. Adaptive Multi-Rate. Below is what actually changes in a WMA→AMR conversion, what is preserved, and when AMR is the better choice than keeping WMA.

What changes when you convert WMA to AMR

  • Both WMA and AMR are lossy, so the file is re-compressed during conversion. Keep the output quality or bitrate at or above the source to avoid a visible or audible drop.
  • The audio is re-encoded into the AMR format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.

About the WMA format

WMA (Windows Media Audio) is Microsoft's audio format. While native to Windows, it has limited compatibility elsewhere. Our converter transforms WMA to universal formats.

  • Full name: Windows Media Audio
  • Developer: Microsoft
  • Compression: Lossy/Lossless
  • Opens with: Windows Media Player, VLC

Where WMA is strong: compact audio from the Windows ecosystem.

Typical WMA uses: legacy Windows audio.

About the AMR format

AMR (Adaptive Multi-Rate) is an audio format optimized for voice recordings. It is commonly used by mobile phones for voice memos and recordings.

  • Full name: Adaptive Multi-Rate
  • Developer: 3GPP
  • Compression: Lossy compression
  • Opens with: VLC, QuickTime, FFmpeg

Where AMR is strong: very small files optimized for speech; the standard codec for mobile voice recordings; low bitrate ideal for narrow bandwidth.

Typical AMR uses: phone voice recordings, voicemail and push-to-talk audio, MMS voice messages.

What AMR keeps

  • AMR adds: very small files optimized for speech.

Things to watch out for

  • One AMR limitation to keep in mind: poor quality for music.

When to convert WMA to AMR

  • Convert WMA to AMR for phone voice recordings.
  • Convert WMA to AMR for voicemail and push-to-talk audio.
  • Convert WMA to AMR for MMS voice messages.

WMA vs AMR — format comparison

A quick side-by-side of the structural differences between WMA and AMR, so you can confirm this is the right conversion for your file:

AttributeWMAAMR
TypeAudio fileAudio file
CompressionLossyLossy
Web-friendlyNoNo
Typical file sizeSmallSmall
Best forlegacy Windows audiophone voice recordings

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Need the opposite conversion?

Convert AMR to WMA

Other WMA Conversions

More formats you can convert WMA to

Convert WMA to MP3Convert WMA to WAVConvert WMA to AACConvert WMA to OGGConvert WMA to FLACConvert WMA to M4AConvert WMA to AIFFConvert WMA to OPUSConvert WMA to AC3Convert WMA to AUConvert WMA to CAFConvert WMA to MKAConvert WMA to WVConvert WMA to SPXConvert WMA to OGAConvert WMA to DTSConvert WMA to MP2
View all WMA conversions →

Convert to AMR

Other formats you can convert to AMR

Convert MP3 to AMRConvert WAV to AMRConvert AAC to AMRConvert OGG to AMRConvert FLAC to AMRConvert M4A to AMRConvert AIFF to AMRConvert OPUS to AMRConvert AC3 to AMRConvert AU to AMRConvert CAF to AMRConvert MKA to AMRConvert WV to AMRConvert SPX to AMRConvert OGA to AMRConvert DTS to AMRConvert MP2 to AMR
View all AMR conversions →

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WMA to AMR FAQ

Because both formats are lossy, the file is compressed again. Keep the output quality or bitrate at or above the WMA source and the difference will be minimal.
Upload your WMA file, confirm AMR as the output format, and click Convert. Job status is shown while the file is processed, then you can download the AMR result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The WMA to AMR conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
WMA (Windows Media Audio) is an audio file format. WMA files can be played with various audio players and media applications.
Upload your WMA audio file to the converter, select your desired output format, and click Convert. The job status appears while the audio is processed.
You can start with free daily conversions. Accounts and paid plans are available for higher-volume work, and downloaded files are not watermarked.
You can convert WMA to proof-backed audio outputs such as MP3, WAV, AAC, OGG, FLAC, M4A, WMA, AIFF, OPUS, AC3, AMR, AU, CAF, MKA, WV, SPX, OGA, DTS, and MP2 when the source format is public-supported.
Yes! Our WMA converter works on any device including smartphones and tablets.
Choose the bitrate or output setting that fits your file-size and playback needs. Lossy formats can reduce detail compared with the source.

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