Step 1: Supply your WMV files using the button above or by haul and lay.
Step 2: Click the 'Convert' button to start the conversion.
Step 3: Get your converted FLAC files.
WMV to FLAC Conversion FAQ
How do I extract the audio from a WMV as FLAC?
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Upload the WMV file and the converter demuxes the audio track, then re-encodes it as FLAC. No re-encoding of the video happens — only the audio stream is processed, which keeps it fast even on long videos.
Will the audio quality match the original WMV track?
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Yes — the audio is extracted at the source bitrate where possible. If you pick a higher FLAC bitrate than the source, the file will not improve in quality, just grow in size.
Is the WMV to FLAC conversion reversible?
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You can convert the FLAC back to WMV on this site. If either format involved is lossy, the round-trip is not bit-perfect even though it is visually or audibly close.
Will the FLAC be larger than the WMV?
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Yes — lossless containers store every byte. Expect the FLAC to be 3-8x the size of the WMV. The benefit is no further quality loss on editing or re-encoding.
Does converting WMV to FLAC improve the audio quality?
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No, and it is worth being blunt: nothing can. The WMV already discarded detail during its original encode, and wrapping what remains in a lossless FLAC preserves exactly that — no more. The file gets several times larger and sounds identical. It is still the right move before editing, because FLAC will not add a second generation of artefacts when you export. FLAC gives you WAV fidelity at half the size, with proper metadata tags and embedded artwork, which is why it dominates lossless music libraries. WMV is effectively a dead end: macOS, iOS, Android and every browser need third-party decoders, and some WMV files carry DRM that cannot be converted at all.
Can I tag the FLAC with artist and album information?
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Yes, and it is a genuine gain over WMV, which has nowhere dependable to store any of it. FLAC carries title, artist, album, year, track number and embedded cover art in the container itself, so a music library files it correctly without a manual pass.
Why will some of my WMV files not convert?
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DRM. A subset of WMV files are encrypted by the store or the software that issued them, and encrypted audio cannot be decoded by any converter. Anything you ripped yourself, recorded, or bought without protection converts normally; a licensed purchase will not.
Is there a file-size limit when converting WMV to FLAC?
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Anonymous uploads are capped at a generous default; signed-in free accounts get a higher cap, and Pro accounts have no per-file limit. Browser memory is usually the practical constraint long before our server-side limits kick in.
Can I batch-convert several WMV files to FLAC at once?
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Yes. Drop or pick multiple WMV files in one upload — the converter processes them in parallel and returns a ZIP of the FLAC results. There is no need to repeat the upload step per file.
What happens to my WMV files after the conversion?
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Uploaded files and FLAC outputs are auto-deleted after a short retention window. We do not inspect, share, or train on user files. Direct download links are time-limited and tied to your session.
What apps can play a FLAC file?
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FLAC plays in most music players, browsers, and media libraries. iTunes / Apple Music, VLC, Foobar2000, and phone media apps handle it natively.
Do I need to install software to convert WMV to FLAC?
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No. The converter runs entirely in your browser plus our cloud — no plugin, no install, no admin rights. It works on Windows, macOS, Linux, ChromeOS, iOS, and Android.