Add your WEBM file
Drop one or more .webm 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.
WEBM to MOV
Converting .webm video to .mov means re-encoding the picture and sound into a different container and codec family, and this page does it entirely in your browser. Free, private, and validated — the file never leaves your browser.
Private for supported formats — processed in your browser
Runs on your deviceConvert supported files
Drop WEBM 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 WebM video to QuickTime video
Converting .webm video to .mov means re-encoding the picture and sound into a different container and codec family, and this page does it entirely in your browser. A .webm file is an open, royalty-free video container built specifically for the web. It restricts itself to free codecs, VP8, VP9, or AV1 for video with Vorbis or Opus for audio, so any browser can play a .webm without patent licensing concerns.
A .mov file is Apple's QuickTime movie container, which stores video, audio, text, and timecode tracks in a flexible atom-based layout. iPhones, iPads, and professional cameras that record ProRes all write .mov, so the extension shows up constantly in editing workflows. For this route the practical draw is first-class treatment on every Apple platform and ideal editing intermediate when paired with ProRes — balanced against proRes recordings consume enormous disk space, which is worth knowing before you commit a large batch.
Why convert WEBM to MOV?
The practical trigger for this conversion is usually a mismatch: with .webm, older iPhones and legacy Safari versions cannot play it. Switching to .mov buys you first-class treatment on every Apple platform, which is why it is the better fit for importing iPhone footage into an edit without conversion. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.
WEBM vs MOV at a glance
| Aspect | WebM video (.webm) | QuickTime video (.mov) |
|---|---|---|
| Format type | Container — quality depends on the codecs and settings inside | Container — quality depends on the codecs and settings inside |
| How it stores data | structured as a deliberately restricted subset of Matroska's EBML layout | media lives in a hierarchy of atoms, each declaring its own size and type, which makes the format easy to extend |
| Strongest at | serving HTML5 video without codec license fees | importing iPhone footage into an edit without conversion |
| Weak spot | older iPhones and legacy Safari versions cannot play it | proRes recordings consume enormous disk space |
| Metadata | only a minimal set of Matroska tags such as title and language is defined for WebM; the spec deliberately omits attachments and rich tagging | quickTime metadata atoms and keys, including camera model, location, and timecode data written by iPhones and professional cameras |
Pick MOV as the output
Select .mov in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if MOV is selectable, the route is real and validated.
Convert on your device
Press Convert. The conversion runs on an FFmpeg engine compiled to WebAssembly, executing entirely inside your browser tab.
Verify and download
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid MOV file. Outputs keep the original filename with the .mov extension.
WEBM to MOV questions, answered
Will converting WEBM to MOV lose quality?
Both sides are re-encoded, so expect a small generation loss controlled by the quality setting: webm is container-oriented and mov is container-oriented. For visually or audibly transparent results keep quality high; for smaller files lower it and compare.
Is it private to convert WEBM files here?
Yes — the .webm file is processed inside your browser tab and never uploaded. The conversion runs on an FFmpeg engine compiled to WebAssembly, executing entirely inside your browser tab. Close the tab and the file is gone from memory.
Where will the MOV file work?
macOS and iOS treat .mov as a native format, and Windows plays H.264 variants through modern Media Player builds and most editors. On the web the container is unreliable, so re-wrapping to MP4 remains the standard route for online publishing.
Will the MOV file be bigger or smaller than my WEBM?
It depends on the content: media lives in a hierarchy of atoms, each declaring its own size and type, which makes the format easy to extend. Convert one representative file first and compare before batch-processing a large set.
What happens to the metadata in my WEBM 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, only a minimal set of Matroska tags such as title and language is defined for WebM; the spec deliberately omits attachments and rich tagging; none of it is transmitted anywhere because the file never leaves your browser.
Can I convert MOV back to WEBM?
Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .webm → .mov → .webm is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.