AVI to MP4
Turn an old AVI into a modern MP4 that plays on any device, without sending it anywhere – no upload, no sign-up, no watermark added.
- No upload
- No sign-up
- No new watermark
- MP4, MOV, WebM, MKV, AVI
AVI dates from the 1990s. Old camcorders, DivX and Xvid downloads and some Windows screen recorders still produce it. Modern phones, Macs and browsers often will not play it, and the files are large for what they contain.
This converter re-encodes the AVI into MP4 with H.264 video and AAC audio. The result is smaller, plays everywhere and can be shared to social apps or added to a slideshow.
Conversion runs in your browser with FFmpeg WebAssembly. Your file is never sent to a server, no account is needed, and nothing is added.
Interlaced camcorder footage
Old DV AVI files are often interlaced and show comb lines on motion. Converting keeps the frames as they are; deinterlace in an editor if the lines bother you.
Expect a much smaller file
DV AVI is roughly 13 GB per hour. H.264 MP4 at the same resolution is a small fraction of that.
Huge tapes
A full tape capture is far over the browser's memory limit. Cut it into shorter pieces with the video cutter first.
All tools
Watermark removal
Video watermark remover
Draw a box over any watermark, logo or text and download a clean MP4.
TikTok watermark remover
Clean the moving TikTok logo and @username from your own downloaded videos.
Sora watermark remover
Remove the animated Sora and Sora 2 logo from AI videos you generated.
Veo watermark remover
Take the Veo 3 sparkle mark off videos made with Gemini or Google Flow.
Gemini watermark remover
Erase the ✦ sparkle from Gemini images and Veo videos.
Gemini image watermark remover
Fill in the bottom-right sparkle on Gemini and Nano Banana images at full resolution.
Gemini image logo remover
Erase the corner ✦ logo from Gemini-generated images.
Nano Banana watermark remover
Clean the sparkle off Nano Banana / Gemini image outputs.
Gemini video watermark remover
Remove the Gemini sparkle watermark from Veo 3 videos generated in the Gemini app.
Gemini logo remover
Remove the corner logo from Gemini, Veo and Flow video exports.
Gemini video logo remover
Remove the corner logo from Veo 3 videos made in Gemini.
Veo logo remover
Remove the Veo 3 corner logo from generated videos.
Image watermark remover
Fill or blur a logo or text on PNG, JPG and WebP images in your browser.
Remove logo from video
Erase TV channel bugs, stock-footage stamps and screen-recorder logos from a fixed corner.
Remove text from video
Blur or fill captions, dates, usernames and timestamps burned into the picture.
Edit video
Crop video
Drag a crop box or pick 1:1, 4:5, 9:16 or 16:9 and export a clean MP4.
Video cutter
Trim a video to a start and end time, with a fast no-re-encode mode.
Video compressor
Reduce a video's file size by quality or resolution, typically 50–80 % smaller.
Resize video
Scale a video to 1080p, 720p, 480p or social-media sizes while keeping the aspect ratio.
Rotate video
Rotate a video 90, 180 or 270 degrees and fix sideways phone clips.
Flip video
Mirror a video horizontally or vertically to un-mirror selfie clips.
Video speed changer
Speed up or slow down a video from 0.25× to 4× with audio pitch preserved.
Reverse video
Play a short video backwards, with the audio reversed too.
Loop video
Repeat a clip 2–10 times or up to a target duration for Instagram and boomerangs.
Mute video
Remove the audio track from a video in seconds without re-encoding the picture.
Convert
Video converter
Convert MOV, MKV, AVI or WebM to MP4, or MP4 to WebM, in your browser.
MOV to MP4
Convert iPhone and QuickTime MOV files to H.264 MP4 that plays everywhere.
WebM to MP4
Convert VP8/VP9 WebM files to H.264 MP4 for phones, editors and social apps.
MKV to MP4
Convert Matroska MKV files to H.264 MP4 for phones, TVs and editors.
AVI to MP4
Convert old camcorder and DivX/Xvid AVI files to H.264 MP4.
MP4 to WebM
Convert MP4 to a smaller VP9 + Opus WebM for websites and Discord.
Video to GIF
Make a looping GIF from a short video clip, with a palette pass for clean colours.
Frequently asked questions
Does AVI to MP4 reduce quality?
The video is re-encoded to H.264. On the High setting the result matches the source visually and is much smaller.
Will DivX and Xvid files work?
Yes. DivX, Xvid, MJPEG, DV and most other codecs FFmpeg can decode are converted.
Is there a file size limit?
Browsers handle roughly 1 GB in memory. Files under about 300 MB are comfortable.
Is it free?
Yes. No sign-up, no watermark, and the file stays on your device.