How to Convert Video Formats
Upload your video file (MP4, MOV, AVI, MKV, WebM)
Select your target format from the options
Click Convert — server processing starts immediately
Download your converted video
Popular Conversions
Frequently asked questions
What formats can I convert between?
You can convert between MP4, WebM, MOV, AVI, and MKV formats. All modern video codecs are supported.
Will I lose quality when converting?
Our converter uses high-quality encoding settings to preserve video quality. You can also choose quality presets based on your needs.
How long does conversion take?
Conversion time depends on your video length and device performance. Most videos under 100MB convert in under a minute.
Is conversion done locally?
Yes, all conversion happens in your browser. Your video files never leave your device.
Which format should I choose?
MP4 is best for universal compatibility (mobile phones, TVs, social media). WebM is optimized for web playback. MOV is preferred for Apple devices and Final Cut Pro. AVI and MKV are good for archiving.
Can I convert MOV to MP4?
Yes, converting MOV to MP4 is one of the most popular conversions. The output MP4 will play on virtually any device and platform, including Android, Windows, and web browsers.
Can I convert videos for social media?
Absolutely. Convert to MP4 for TikTok, Instagram, YouTube, and Facebook. All major social platforms prefer MP4 with H.264 encoding.
What is the file size limit?
You can convert videos up to 200MB. Free users get 20 conversions per day.
How do I convert a video to MP4 online?
Drop your file, pick MP4 as the output format, and click Convert Video — the free video converter runs online in your browser and turns MOV, AVI, MKV or WebM into MP4 in seconds. No watermark, no sign-up.
A Free Video Converter That Works Online
This is how to convert a video online without installing anything: upload any file — MP4, MOV, MKV, AVI or WebM — pick an output format, and download the converted video in seconds. The video converter runs in your browser, free, with no watermark.
Because conversion happens locally, your file never leaves your device, and there's no server upload cap — a fast, private alternative to Handbrake for the times you just need one video in a different format.
Convert to MP4 and Every Common Format
MP4 (H.264) is the most compatible format for phones, social platforms and the web, and it's the most requested conversion. This free video converter turns MOV, MKV, AVI and WebM into clean MP4 — and back — so your video plays anywhere.
Pick the output and the converter handles the re-encode automatically.
MOV, MKV, AVI and WebM to MP4
MP4 back to MOV or WebM
Web- and phone-ready output
Extract Audio: Video to MP3
One of the most common conversions isn't video to video — it's video to MP3. Pull the audio out of any clip to save a podcast, a song or a voice memo as an MP3 file, straight from the browser.
No separate audio extractor needed — the converter does it.
Free, Online, No Watermark
Convert video online free — no download like Handbrake, no watermark, no sign-up. It runs on any device, so you can convert a video on an iPhone, Android, Mac or PC the same way, privately.
Your file stays on your device; conversion happens locally.
Everything the Free Video Converter Does
Who Uses the Video Converter?
Anyone stuck with a file in the wrong format:
Convert, Then Do More With Your Video
Vivideo is more than a converter — once your video is in the right format, generate, edit and translate it in the same place.
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What Creators Say About Vivideo
“I went from idea to a published video in under ten minutes. The avatars look unbelievably real.”
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See the Video Converter in Action
Watch a file convert to MP4 in seconds — then convert your own free on Vivideo.
Convert Your Video Free
Change your video to MP4, MOV, WebM or MP3 — online, in your browser, with no watermark.
Want AI to Create Videos For You?
Skip format hassles. AI generates videos in any format you need, ready to share.