Convert MP4 and other videos to a web-optimized WEBM format to reduce loading times and improve playback smoothness.
This tool is currently under development. Please check back later!
Video to FLV Converter
Convert MP4, AVI, and other videos to FLV format for legacy playback environments.
Video Frame Extractor
Accurately extract keyframes or capture still images at specific timestamps from your videos. Supports multiple export formats.
Online JWT Parser & Decoder
Parse JWT headers, payloads, and key information online. No installation required—just paste and decode.
Video Watermark Remover
Intelligently remove logos, text, and other watermarks from videos. Supports multiple formats.
Video to GIF Maker
Convert video clips into animated GIFs, perfect for creating memes and sharing on social media.
When web videos load slowly or stutter during playback, it is often due to an unsuitable video format. WEBM is an open format based on VP8/VP9 encoding, specifically designed for web optimization. This tool converts common video formats like MP4 and AVI to WEBM, reducing file size by 30%-50% on average while maintaining excellent image quality.
How do I know if a video is suitable for WEBM conversion?
Animations, tutorial videos, and other low-to-medium dynamic scenes yield the best conversion results. For 4K high-framerate videos, we recommend keeping the original format.
Which is clearer: WEBM or MP4?
At the same bitrate, the image quality is comparable, but WEBM offers a higher compression rate. We recommend choosing WEBM when using VP9 encoding.
Please keep the page active when converting long videos. We recommend trimming the video before converting. Browser incognito/private modes may affect local storage.
Typical conversion example: A 1280×720 MP4 video (5MB) converts to a WEBM file of approximately 3.2MB. For web embedding, we recommend setting the preload="auto" attribute in the video tag. Note that Safari versions below 14 require an additional MP4 fallback source.
