Free Online Video Converter
Convert video files between MP4, WebM, MOV, MKV, AVI, FLV, WMV, 3GP, and GIF. Extract audio tracks to MP3, WAV, FLAC, and more.
Video Converter with 177 conversion routes. Convert video files between MP4, WebM, MOV, MKV, AVI, FLV, WMV, 3GP, and GIF.
All Video Conversions
177 conversion routes available — click any to convert instantly
Convert 3GP
Convert AVI
Convert FLV
Convert HEVC
Convert Matroska
Convert QuickTime
Convert MP4
Convert WebM
Frequently Asked Questions
ChangeThisFile supports MP4, WebM, MOV, MKV, AVI, FLV, WMV, 3GP, and GIF. You can convert between any combination of these formats, plus extract audio tracks to MP3, WAV, FLAC, M4A, AAC, OGG, Opus, WMA, and AIFF.
Video conversions upload your file to the server for processing with FFmpeg, then the file is auto-deleted immediately after conversion. Files are encrypted in transit via HTTPS, never stored, never shared, and never analyzed. Only server-side processing can handle the complexity of video transcoding.
The maximum file size for video conversions is 25MB on the free tier and 500MB on Pro. For larger files, consider using a desktop application like HandBrake or FFmpeg directly.
Most video conversions complete in under 2 minutes. The exact time depends on the file size, source format, and target format. Conversions between similar codecs (like MP4 to MKV) are faster because they can often remux without re-encoding.
Yes. ChangeThisFile supports extracting audio tracks from any video format. For example, you can convert MP4 to MP3, MOV to WAV, or MKV to FLAC. The audio extraction preserves the original audio quality when possible.
MP4 with H.264 encoding is the most universally compatible video format. It plays on virtually every device, browser, and social media platform. WebM is a good alternative for web-only use with smaller file sizes.
Yes. ChangeThisFile can convert GIF animations to MP4 or WebM video files. Video formats are significantly smaller than GIF for the same content — often 90% smaller. This is useful for sharing animations on platforms that support video but not GIF.
Converting between formats involves re-encoding, which can reduce quality slightly. The converter uses optimized FFmpeg settings to minimize quality loss. For the best results, avoid converting a video multiple times — always start from the highest-quality source file.
No. Video conversions run on the ChangeThisFile server using FFmpeg. You just upload your file through the browser, and the converted file downloads automatically. No plugins, extensions, or desktop software needed.
Yes. ChangeThisFile works on any device with a modern web browser, including iPhones, Android phones, and tablets. Just visit the converter page, select your video file, and the conversion happens on the server.
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