What will I receive?
MOV to WEBM
The result is WebM with VP9 video and optional Opus audio, up to 720p/30 fps. Subtitles, attachments and capture metadata are removed; this is not a lossless remux.
Convert MOV to WEBM online
Prepare a short SDR MOV clip as WEBM, with output limited to 720p/30 fps.
Automatic deletion
InputMOVOutputWEBM
Step 1 of 3 · Files
Expires in 24 h- Files
- Format
- Result
Select MOV files
From your phone, computer, or drag them here. · 50.0 MB per file · up to 1
The listed formats are accepted. Each file's structure is validated before conversion.
Conversion limits
What limits apply?
One video up to 50 MB and 2 minutes, SDR, maximum 4K/60 fps. Output up to 720p/30 fps. HDR and multiple video or audio tracks are not supported. Subtitles are removed.
Input and output expire automatically after the period shown in the converter. Download your result before then.
Practical guide
Convert MOV to VP9 WebM for web publishing
MOV to WebM re-encodes a short QuickTime clip as VP9 with optional Opus audio. Choose it for a destination requiring WebM, not an automatic size promise.
Validate the clip
One MOV up to 50 MB, two minutes, 4K/60 fps and SDR is accepted.
Know the output
WebM is up to 1280×720/30 fps; audio becomes stereo Opus or is removed.
Accept discarded elements
Subtitles, attachments, chapters and metadata are removed.
Play the result
Check beginning, middle, end and synchronization in the target browser.
For H.264/AAC use MOV to MP4; for MP4 input see MP4 to WebM.
Frequently asked questions
What are the limits?
One file up to 50 MB, two minutes, 4K/60 input and 720p/30 output.
Which codecs are used?
VP9 video and optional Opus audio.
Are subtitles retained?
No. Subtitles, attachments, chapters and metadata are removed.