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Convert AVI to WEBM files online with our free video converter app. No matter your platform — Windows 10, Mac or iPhone — you can convert AVI audio files with any resolution rapidly.
The most popular video formats are MP4, AVI, MKV, and MOV. MP4 is the most widely supported, balancing quality and file size, while AVI and MKV offer flexibility for high-quality playback, and MOV is optimized for Apple devices. Video files can be edited using video editing software such as Adobe Premiere Pro, Final Cut Pro, or DaVinci Resolve.
Change AVI to WEBM in seconds — drop your file into the upload form, pick WEBM as the output, and hit Convert. Download the result video file right after conversion.
Check our videoAVI (Audio Video Interleave) is a multimedia container format introduced by Microsoft in 1992, widely used for storing video and audio data. It is supported by many media players like Windows Media Player, VLC, and editing tools such as Adobe Premiere and VirtualDub. The format uses a chunk-based structure to store audio and video streams, allowing for synchronization, and supports multiple codecs, though it lacks advanced features like metadata and streaming capabilities found in modern formats.
WEBM is an open, royalty-free multimedia container format designed for web use, primarily for video and audio streaming. It is widely supported by modern web browsers, media players like VLC, and editing tools such as Adobe Premiere Pro and FFmpeg. The format uses VP8 or VP9 video codecs and Opus or Vorbis audio codecs, offering efficient compression, high-quality playback, and features like adaptive streaming and metadata support.
You can also convert AVI into many other file formats. Please see the complete list below.