Burn-in or embed subtitles into your video
Drag & drop video file here
Supports MP4, MKV, AVI, MOV, WebM and more
Drag & drop your WEBM file and subtitle file
Adjust font, size, color, and position of your subtitles
Save your WEBM video with burned-in subtitles
WebM Video Format
WebM is an open, royalty-free video format developed by Google, optimized for web use. It uses VP9 or AV1 for video and Opus for audio, offering efficient compression ideal for HTML5 video and web applications.
Common reasons to add subtitles to WEBM videos
Save as WEBM for maximum compatibility across all devices and platforms.
WEBM is widely supported across all major web platforms and social media.
Use WEBM as an intermediate format for video editing workflows.
WEBM plays natively on virtually every smartphone and tablet.
Your videos and subtitle files never leave your device.
Hardware-accelerated subtitle burn-in for WEBM videos.
Add SRT and VTT subtitles to MP4, MOV, AVI, MKV, WebM and more.