Convert to WebM
Convert MID, MIDI, M1V, MPV and 52 more supported formats to WebM online. Choose a file and download a genuine .webm result.
Drop a file to convert it to WebM
We'll detect the input format and show the right settings for a genuine .webm result.
WebM is an open web video format designed for modern browsers, websites, and online applications. This destination page brings every supported route to WebM together, so you can begin with the file you already have.
The source picture and audio are decoded and written into a WebM result. This page presents the settings relevant to that source and destination combination.
WebM plays in current Chrome, Edge, Firefox, and Safari, plus VLC and compatible video-editing tools.
Choose a WebM Converter
Open a specific route when you already know your input format.
Frequently Asked Questions
How do I convert a file to WebM?
Choose a supported file on this page. Crest Convert detects its format and shows the matching WebM settings here. Review the available options, start the conversion, and download the finished .webm file without leaving the page.
Which files can I convert to WebM?
This page supports 56 input formats, including MID, MIDI, M1V, MPV, MP2, AMR, AIFF, and FLAC. The available routes are listed below so you can also open a specific converter directly.
What is WebM best used for?
WebM is an open web video format designed for modern browsers, websites, and online applications. This destination page brings every supported route to WebM together, so you can begin with the file you already have.
What is preserved when I convert to WebM?
The source picture and audio are decoded and written into a WebM result. This page presents the settings relevant to that source and destination combination.
Which applications can open WebM files?
WebM plays in current Chrome, Edge, Firefox, and Safari, plus VLC and compatible video-editing tools.
Can I convert several files to WebM?
Yes. After Crest Convert identifies the source format, you can add more compatible files on this page, process the batch, and download the completed results individually or together when ZIP download is available.
Is converting files to WebM secure?
Yes. Browser conversions stay on your device. Files that require server processing are transferred over an encrypted connection, handled securely, and automatically deleted shortly after conversion. No account is required.
How do I convert a file to WebM?expand_more
Choose a supported file on this page. Crest Convert detects its format and shows the matching WebM settings here. Review the available options, start the conversion, and download the finished .webm file without leaving the page.
Which files can I convert to WebM?expand_more
This page supports 56 input formats, including MID, MIDI, M1V, MPV, MP2, AMR, AIFF, and FLAC. The available routes are listed below so you can also open a specific converter directly.
What is WebM best used for?expand_more
WebM is an open web video format designed for modern browsers, websites, and online applications. This destination page brings every supported route to WebM together, so you can begin with the file you already have.
What is preserved when I convert to WebM?expand_more
The source picture and audio are decoded and written into a WebM result. This page presents the settings relevant to that source and destination combination.
Which applications can open WebM files?expand_more
WebM plays in current Chrome, Edge, Firefox, and Safari, plus VLC and compatible video-editing tools.
Can I convert several files to WebM?expand_more
Yes. After Crest Convert identifies the source format, you can add more compatible files on this page, process the batch, and download the completed results individually or together when ZIP download is available.
Is converting files to WebM secure?expand_more
Yes. Browser conversions stay on your device. Files that require server processing are transferred over an encrypted connection, handled securely, and automatically deleted shortly after conversion. No account is required.