01
Right-sized output for the use case
Converting from WMV to FLAC aligns the file with the encoding choices the downstream pipeline expects. The result is a deliverable that fits naturally into the destination workflow.
100% local
VIDEO
Convert WMV
to FLAC
Right-sized output for the use case.
Converting from WMV to FLAC aligns the file with the encoding choices the downstream pipeline expects. The result is a deliverable that fits naturally into the destination workflow.
— Drop area
WHY CONVERT
Why convert WMV to FLAC
02
Acceptance by downstream tools
FLAC is the format most receiving systems expect for this kind of content. Converting upstream avoids the rejection and silent re-encoding that often happen when WMV reaches an unprepared pipeline.
03
Lower storage and bandwidth cost
FLAC files are typically smaller than their WMV counterparts, which reduces hosting, transfer, and storage costs at scale. The savings compound when serving the same content to many recipients.
— How to convert
WMV to FLAC in three steps.
- 01
Open LocalConvert
Visit this page on any modern browser — no install, no signup, no plugin.
- 02
Drop or select your WMV file
Drag your WMV into the drop area, or click to pick one from your device.
- 03
Click Convert
Conversion runs entirely in your browser. When it's done, your FLAC file downloads to your device.
QUALITY & FIDELITY
Quality and fidelity
- Lossy source to lossless target: existing artifacts are preserved but no new loss is added.
- Metadata (EXIF/tags) is preserved where the source provides it.
Transparency WMV
✗ FLAC
✗
Color depth 8-bit video 16/24-bit lossless audio
Metadata preserved ✓
FORMAT SPECS
Format specifications
| WMV | FLAC | |
|---|---|---|
| Extensions | .wmv | .flac |
| MIME types | video/x-ms-wmv | audio/flac audio/x-flac |
| Introduced | 1999 | 2001 |
| Maintainer | Microsoft | Xiph.Org Foundation |
| Magic # | 30 26 B2 75 8E 66 CF 11 | 66 4C 61 43 |
| Spec | View spec ↗ | View spec ↗ |
COMPATIBILITY
Where these formats work
| Platform | Windows | macOS | iOS | Android | Chrome | Firefox | Safari | Edge |
|---|---|---|---|---|---|---|---|---|
| WMV | Native | App | App | App | — | — | — | Native |
| FLAC | Native | Native | Native | Native | Native | Native | Native | Native |
WMV
- Windows
- Native
- macOS
- App
- iOS
- App
- Android
- App
- Chrome
- —
- Firefox
- —
- Safari
- —
- Edge
- Native
FLAC
- Windows
- Native
- macOS
- Native
- iOS
- Native
- Android
- Native
- Chrome
- Native
- Firefox
- Native
- Safari
- Native
- Edge
- Native
Why LocalConvert
How LocalConvert compares
| Category | LocalConvert | Cloud converters |
|---|---|---|
| PRIVACY | Files never leave your device. The whole pipeline runs in your browser via WebAssembly. | Files travel to a remote server, sit in queue storage, and may be retained for analytics or moderation. |
| COST | Free, no signup, no daily quotas. | Often free for small files; paid tiers for batch / large / commercial use. |
| LIMITS | Limited only by your device's memory and CPU. Multi-GB raw footage OK on desktop. | Typical 100 MB to 1 GB per-file caps, plus rate limits. |
— The formats
From · WMV
Windows Media Video
Microsoft's legacy video container.
Typical uses
Older Windows video libraries.
To · FLAC
Free Lossless Audio Codec
A lossless audio format that reduces file size ~40–60% versus WAV with bit-perfect playback.
Typical uses
Audiophile libraries, music archives, hi-res audio.
— FAQ
Frequently asked.
Is WMV to FLAC conversion free?
Yes. LocalConvert is completely free, with no signup and no per-file or per-day limits.
Do my files get uploaded anywhere?
No. WMV to FLAC conversion happens entirely inside your browser using WebAssembly — your file never leaves your device.
What's the maximum file size?
There's no fixed cap — the practical limit is your device's available memory. Very large files may take longer or fail on low-RAM devices.
Does it work offline?
Yes — once the page has loaded, WMV to FLAC conversion works without an internet connection. Re-open the page once to cache it.
Will conversion preserve quality?
LocalConvert uses the industry-standard tools (FFmpeg, ImageMagick, Pandoc) — quality matches what professionals use on the command line. Lossy formats will still lose some quality on each re-encode.
— Related
Or convert these.
Browse all conversionsREFERENCES
Format references
Last verified:
100% local conversion.
WMV to FLAC is processed in your browser with WebAssembly. No upload, no tracking, no limits. Your file never leaves your device.