Converts AVI files to WebM format — legacy video compatibility to web-optimized video. All conversion happens locally in your browser with no file size limits.
Initializing WebAssembly Core...
Convert WEBM video files to AVI format directly in your browser. 100% free, private — your files never leave your device.
Convert MKV video files to WEBM format directly in your browser. 100% free, private — your files never leave your device.
Convert MKV video files to AVI format directly in your browser. 100% free, private — your files never leave your device.
Convert WEBM video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
Convert AVI video files to MP4 format directly in your browser. 100% free, private — your files never leave your device.
AVI (Audio Video Interleave) uses uncompressed or lossy encoding and is best for legacy video compatibility — older software, embedded systems, and archival playback. WebM (WebM Video) uses lossy compressed encoding and excels at web-optimized video — streaming, embedded players, and HTML5 video tags with fast loading. Converting between them lets you take advantage of each format's strengths — for example, using a compressed format for sharing and a lossless format for editing. All conversion happens locally in your browser with no file size limits.
The converter typically uses VP8 for faster encoding. VP9 may be available for higher quality at smaller file sizes, but encoding is slower.
WEBM encoding introduces small quality differences depending on bitrate. Choose high quality settings for best visual fidelity.
Yes. <video src='video.webm'> works in all modern browsers. WEBM is the recommended format for HTML5 video alongside MP4.
Yes. All conversion runs in your browser using FFmpeg. No video files are uploaded.
Video to MP3 Converter
Extracts the audio track from uploaded video files (MP4, MOV, AVI, WebM) and encodes it as a high-quality MP3 file. No signup or account required.
Crop Video
Crop the visual area of your MP4, MOV, AVI, or WebM video directly in the browser with preset aspect ratios or custom selections. No signup or account required.
Video Compressor
Reduces MP4, MOV, and WebM video file sizes using configurable CRF (Constant Rate Factor) encoding, resolution scaling, and bitrate control. Includes a quality preview before processing. Handles files up to 500MB.
Video to GIF
Convert MP4/WebM to GIF animations. Max 500MB input. Everything runs locally in your browser — nothing is uploaded.
Subtitle Translator
Accepts SRT or VTT subtitle files and translates their text content into any of 100+ target languages while preserving exact timing codes and frame. Uses cloud-based processing.
Video Watermark Adder
Add a logo image or custom text watermark to your videos with position and opacity controls. 100% browser-based.