Zen Convert

Free Online Video Converter

Convert between 7 video formats — no signup, no watermark

Pick the format you have, then choose what to convert it to. Every converter below runs in your browser — no software install, no account required. Supported video formats: MP4, MOV, AVI, MKV, WebM, WMV, FLV.

Convert from MP4

6 target formats

MP4 is the most widely supported video container format, offering excellent compression with H.264 or H.265 codecs while preserving quality. It works on virtually every device, browser, and platform.

Convert from MOV

6 target formats

MOV is Apple's QuickTime container format, widely used in professional video editing workflows. It supports multiple tracks of video, audio, effects and text in a single file with minimal quality loss.

Convert from AVI

6 target formats

AVI is a legacy Microsoft container format that preserves high video quality with minimal compression. It remains popular for archival and Windows-based workflows where compatibility with older software matters.

Convert from MKV

6 target formats

MKV is an open-source container format that can hold an unlimited number of video, audio, subtitle and metadata tracks in one file. It's the go-to format for high-quality movie storage and Blu-ray rips.

Convert from WebM

6 target formats

WebM is a royalty-free, open video format developed by Google specifically for the web. It uses VP8 or VP9 codecs to deliver high-quality video at small file sizes, making it ideal for HTML5 video playback.

Convert from WMV

6 target formats

WMV is Microsoft's proprietary video format, designed for efficient streaming and playback on Windows. It delivers good compression but has limited support on non-Microsoft platforms.

Convert from FLV

6 target formats

FLV was the dominant format for web video during the Adobe Flash era. While Flash is deprecated, FLV files still exist in many legacy systems and require conversion to modern formats for playback.