WAV to WMA Converter

How to Convert WAV to WMA Online

1. Upload Your WAV File: Drag and drop or click "+ Add Files" to select WAV files from your computer. Recordings from Audacity, FL Studio, Ableton Live exports, Windows Sound Recorder captures, and CD-ripped tracks all work. Batch conversion is supported.
2. Pick a Quality Preset (or Custom Bitrate): The Quality Preset dropdown ranges from Very Low to Highest (default). For finer control, switch to Constant Bitrate (typical WMA CBR steps: 48, 64, 96, 128, 160, 192 kbps) or Variable Bitrate. WMA reaches "near-CD" quality at around 128 kbps stereo — roughly one-tenth the size of the source WAV.
3. Set Audio Channel, Sample Rate, and Trim (Optional): Audio Channel defaults to Original (keep the source layout) and can be set to Mono or Stereo. Audio Sample Rate defaults to Original (typically 44.1 kHz from CDs and most DAW exports) and can downsample to 22.05 kHz for voice content. Use Trim with a start time and duration in HH:MM:SS.sss format to keep only the part you need.
4. Convert and Download: Click Convert. Files process on our servers and download individually or as a ZIP — no sign-up, no watermark, no file count limits.

Why Convert WAV to WMA?

WAV is Microsoft and IBM's uncompressed PCM container (published August 1991). At CD quality — 16-bit, 44.1 kHz, stereo — it stores roughly 1,411 kbps, or about 10 MB per minute. WMA (Windows Media Audio) is Microsoft's proprietary lossy codec, first released in 1999 alongside Windows Media Player 6.4. WMA Standard typically delivers transparent stereo at 128-192 kbps — an 8-12× reduction versus WAV with most listeners unable to tell the two apart on consumer playback hardware. Common reasons to convert WAV → WMA:

• Drastically smaller file sizes — A 4-minute WAV at CD quality is ~40 MB. The same song as 128 kbps WMA is ~3.8 MB, and as 192 kbps WMA, ~5.7 MB. That's an 85-90% reduction while remaining ear-pleasing for casual listening.
• Legacy Windows workflows and devices — Windows Media Player 12 (still shipping as the Legacy app on Windows 11), older PlaysForSure-certified MP3 players, in-car CD/USB head units from the mid-2000s, and Xbox 360 / Xbox One media playback all prefer WMA. If a recipient is on a Windows-only pipeline, WMA "just works."
• Voice recordings and dictation archives — WMA Standard at 32-48 kbps mono is excellent for speech (lectures, interviews, depositions) where lossless WAV is overkill and MP3 at the same low bitrate tends to sound worse.
• Smaller streaming and download bundles — WMA at 64 kbps was historically the default for Windows Media Services streaming. Replacing 100 MB of WAV with 8 MB of WMA cuts bandwidth and storage costs for download-heavy sites and intranets.
• Email and chat attachment limits — Gmail caps outgoing attachments at 25 MB, Outlook.com at 20 MB, and most corporate Exchange policies sit between 10-25 MB. A multi-minute WAV often exceeds these; the same content as 128 kbps WMA fits comfortably.
• Asset preparation for older PowerPoint and Windows apps — PowerPoint for Windows historically embedded WMA natively without needing extra codecs. WAV embeds bloat the.pptx; WMA keeps the deck portable.

WAV vs WMA — Format Comparison

WMA Variants and When Each Applies

Most converters — including this one — default to WMA 2 (Standard), since it's the variant every Windows device and most third-party players (VLC, foobar2000) support out of the box.

Frequently Asked Questions

Should I pick WMA or MP3 for music distribution today?

For broad device compatibility — phones, cars, smart speakers, gaming consoles — MP3 still wins. WMA is best when your audience is locked into the Windows ecosystem, your archive lives in Windows Media Player libraries, or you're feeding older PlaysForSure hardware. If you're unsure, see WAV to MP3 for the cross-platform default. WMA at 128 kbps stereo sounds slightly better than MP3 at 128 kbps stereo because Microsoft's psychoacoustic model is more efficient at low bitrates — but the gap closes at 192+ kbps where both are effectively transparent.

Why is the WMA so much smaller than the WAV?

WAV stores every PCM sample at full bit depth: 16 bits × 44,100 samples/sec × 2 channels = 1,411,200 bits per second. WMA Standard uses modified discrete cosine transform (MDCT) plus a psychoacoustic model that drops the audio data your ears can't perceive — masked sounds, ultrasonic content, silence. At 128 kbps WMA you're keeping less than 10% of the original bit rate while preserving the part that matters perceptually. The compression is lossy; the reduction is real.

Will Mac users be able to play the WMA file I send them?

Not with Apple's built-in Music app or QuickTime — neither ships with WMA decoders. Mac users will need VLC (free, plays WMA Standard / Pro / Lossless) or another third-party player. If your audience is mixed Mac/Windows, converting to MP3 or AAC is friendlier. If the recipient is Windows-only, WMA is fine and they'll open it in Windows Media Player 12 (still bundled on Windows 11 as the Legacy app) or the new Media Player.

What bitrate should I pick for spoken-word content?

64 kbps mono is plenty for clean studio dictation; 48 kbps mono is the sweet spot for legal/medical voice archives; 32 kbps mono still produces intelligible speech for hours-long lectures. The human voice's fundamental frequency range (roughly 85-255 Hz) and dominant harmonics (up to ~4 kHz) compress very efficiently. For multi-speaker podcasts with music beds, step up to 96-128 kbps stereo.

Can I produce WMA Lossless from a WAV upload?

This tool's default audio codec is WMA v2 (Standard, lossy), which is what 99% of users want for the size savings. If you need a lossless archival format playable on Windows, FLAC is more widely supported and cross-platform — see WAV to FLAC. WMA Lossless was Microsoft's answer to FLAC but never achieved comparable adoption outside of Windows-only ripping workflows.

Will Audacity / FL Studio / Ableton metadata survive the conversion?

ASF/WMA containers support a metadata block (WM/Title, WM/Artist, WM/AlbumTitle, WM/Year, WM/Genre, embedded artwork). Tags present in the source WAV's INFO chunk or BWF metadata transfer where there's a one-to-one mapping. Audacity and FL Studio bounces often lack tags entirely — in that case the WMA exports tagless and you can add tags after the fact in Windows Media Player, MusicBee, or Mp3tag.

Can I trim a long WAV and export only a section as WMA?

Yes. Expand the Trim section and enter a start time and duration in HH:MM:SS.sss format (00:01:30.500 for one minute thirty and a half seconds). Useful for clipping a single track from a live recording, cutting a sermon down to a single point, or extracting a clean loop for use elsewhere.

What's the maximum WAV file size I can upload?

Anonymous users get the default per-file cap; signed-in users get a larger cap that scales with their tier. Uncompressed WAV grows fast — at CD quality, one hour is ~600 MB and a single 24-bit/96 kHz stereo project hour is ~2 GB. If your file is larger than the upload limit, try compressing WAV first or trim the unused intro/outro before converting.

Is the converse — WMA to WAV — also supported?

Yes. WMA → WAV is a useful path when you want to import a WMA into Pro Tools, Logic Pro, or any editor that prefers uncompressed PCM, since re-encoding a lossy WMA back to PCM doesn't restore lost data but does produce a workable editing source. See WMA to WAV for that direction.