Verified local conversion

OGG to WMA

Re-encoding .ogg audio as .wma changes how the sound is compressed and which players will accept it. Free, private, and validated — the file never leaves your browser.

Private for supported formats — processed in your browser

Convert supported files

Runs on your device

Drop OGG files here

Batch files can each use a different output. Nothing uploads for local conversions.

Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.

About converting Ogg audio to Windows Media audio

Re-encoding .ogg audio as .wma changes how the sound is compressed and which players will accept it. An .ogg file almost always means Vorbis-compressed audio in the Ogg container, the free-software world's answer to MP3. The .ogg extension originally covered any Xiph media; audio kept the name when video moved to .ogv, and game developers and Wikipedia still lean on it heavily.

A .wma file contains Windows Media Audio, Microsoft's proprietary compressed format, wrapped in the same ASF container as WMV video. It shipped with every copy of Windows for a decade, so ripped CDs and store purchases from that era survive as .wma libraries. For this route the practical draw is respectable quality at mid bitrates for its era and still opens on any Windows PC without extra software — balanced against proprietary and effectively abandoned, which is worth knowing before you commit a large batch.

Why convert OGG to WMA?

The practical trigger for this conversion is usually a mismatch: with .ogg, apple's Music app and iOS offer no native playback. Switching to .wma buys you respectable quality at mid bitrates for its era, which is why it is the better fit for converting old ripped-CD libraries to MP3 or FLAC. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.

OGG vs WMA at a glance

AspectOgg audio (.ogg)Windows Media audio (.wma)
Format typeLossy — discards detail it judges invisible to shrink filesLossy — discards detail it judges invisible to shrink files
How it stores datavorbis is an MDCT-based lossy codec tuned through a quality scale (-q) rather than fixed bitratesthe standard codec is a lossy transform coder supporting up to 48 kHz stereo
Strongest atshipping game audio assets without codec royaltiesconverting old ripped-CD libraries to MP3 or FLAC
Weak spotapple's Music app and iOS offer no native playbackproprietary and effectively abandoned
Metadatavorbis comments, the flexible key=value system shared with FLAC and Opus, plus METADATA_BLOCK_PICTURE for embedded cover artaSF attributes mirror ID3 basics such as title, artist, album, and artwork, and Windows Media Player wrote extended library fields on top
01

Add your OGG file

Drop one or more .ogg files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.

02

Pick WMA as the output

Select .wma in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if WMA is selectable, the route is real and validated.

03

Convert on your device

Press Convert. The transcode runs on an FFmpeg engine compiled to WebAssembly, so the audio never leaves your device.

04

Verify and download

Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid WMA file. Outputs keep the original filename with the .wma extension.

OGG to WMA questions, answered

Will converting OGG to WMA lose quality?

A second lossy step always costs a little, because ogg is lossy-oriented and wma is lossy-oriented and each encoder discards detail differently (generation loss). At the default quality the difference is rarely visible; avoid repeated round-trips between .ogg and .wma.

Is it private to convert OGG files here?

Yes — the .ogg file is processed inside your browser tab and never uploaded. The transcode runs on an FFmpeg engine compiled to WebAssembly, so the audio never leaves your device. Close the tab and the file is gone from memory.

Where will the WMA file work?

Windows continues to play .wma through its bundled apps, but macOS, iOS, Android, and all web browsers lack native support. Files protected by Windows Media DRM will not play anywhere now that their license servers are gone.

Will the WMA file be bigger or smaller than my OGG?

It depends on the content: the standard codec is a lossy transform coder supporting up to 48 kHz stereo. Convert one representative file first and compare before batch-processing a large set.

What happens to the metadata in my OGG file?

This converter strips container metadata deliberately (the FFmpeg command runs with metadata mapping disabled) so exported files do not leak recording details. In the source, vorbis comments, the flexible key=value system shared with FLAC and Opus, plus METADATA_BLOCK_PICTURE for embedded cover art; none of it is transmitted anywhere because the file never leaves your browser.

Can I convert WMA back to OGG?

Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .ogg → .wma → .ogg is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.