How to convert WEBM to closed captions with automated transcription
Sign up for a free Sonix trial account—includes 30 minutes of free WEBM to captions conversion.
Upload the WebM Video File file(s) (*.WEBM) from your computer, Dropbox, Google Drive, or by dragging it on the page.
Choose the language spoken in the uploaded WEBM file. We support over 37 different languages including Russian, Chinese, Spanish, and English. Click the 'Start Transcribing Now' button.
Sonix will then automatically transcribe the audio from your WEBM file and convert it to a simple text format. Grab a cupcake, it will take only a few minutes.
Use the Sonix AudioText Editor to polish your transcript before we convert it to a caption file. Simply type in your browser to correct any words in your transcript.
Click the 'Export' button. Choose either 'Subrip subtitle file (.srt)' or 'WebVTT file (.vtt)' from the dropdown to download the closed caption version of your WEBM file. You can also adjust the character length and time duration length of each caption.
That's it! Your WEBM file has now been converted to closed captioning and is ready for the next step in your workflow!
Thousands of incredible customers use SOnix to create closed captions from their WEBM files
Convert WEBM video files to subtitle
Frequently Asked Questions for WebM Video File (*.WEBM)
What is a WEBM file?
WEBM is an open, high-quality video standard that is usually used for delivering online videos using the HTML <video> tag. WEBM is a container file format: the video stream is usually compressed with the VP8 codec and the audio stream is compressed with the Ogg Vorbis codec. The WEBM container format itself is based off of the popular Matroska container (MKV files). Since WEBM is an alternative to the patented H.264 and MPEG4 formats and widely supported by most major web browsers, it is used in both commercial and non-commercial applications. The WEBM file format was created by Google to store video content and implement compression standards optimized for video streaming over broadband and mobile internet connections. Thus, royalty-free video compression technologies were used (VP8/VP9 and Ogg Vorbis). In addition, WebVTT subtitle tracks can we included within a WEBM file. WEBM files are also widely supported by Chrome, Safari, Firefox, and Internet Explorer.
Does Sonix transcribe video files with a *.WEBM file extension?
Yes, Sonix does automatically transcribe video files with a .WEBM file extension. Sonix is an online video to text converter. Convert any audio (mp3, m4a, wav, ...) or video (webm, mp4, mov, avi, ...) file to text without installing any software! Sonix quickly and accurately transcribes *.WEBM files and converts them to text in a subtitle format.
Know anyone who needs to convert WebM Video File (.WEBM) to subtitle?
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Other ways to convert your WEBM video files with Sonix
Create closed captions from your WebM Video File files with Sonix
Sonix transcribes your audio and video files in over 37 languages so they are easy to search, edit, and share. Sonix is an online, fully-automated speech to text service that quickly converts WebM Video File files to captions. Sign up today and start transcribing.
Includes 30 minutes of free transcription