Tools
OnVid AI video tools
AI lip sync, video translation, face swap and sound for your clips, plus free in-browser converters for MP4, GIF and MP3.

Add Sound to Video
Add sound to video with AI: sound effects, music and voiceover for any silent video. Add audio to a clip up to 60s in 35 languages and download one MP4.

AI Video Translator
Learn how an ai video translator works to dub your clips, keep your original voice, and sync lips. See how to translate your video into English and more.

WebM to MP4 Converter
Free WebM to MP4 converter: re-encode WebM videos to H.264 MP4 that plays on iPhone and most editors. Runs in your browser, no upload, no watermark.

Video to MP3 Converter
Free video to MP3 converter: extract the audio from any video at 128, 192 or 320 kbps. Runs in your browser, no upload, no sign-up, no watermark.

Video to GIF Converter
Free video to GIF converter: turn the first seconds of any clip into a looping GIF. Pick width and frame rate. Runs in your browser, no watermark.

Video Converter
Free video converter: switch between MP4, MOV, WebM, MKV and AVI, or save a GIF or MP3. Runs in your browser, no upload, no sign-up, no watermark.

Video Compressor
Free video compressor: shrink MP4, MOV and more with light, balanced or strong compression and an optional 1080p to 480p cap. Runs in your browser.

MP4 to MP3 Converter
Free MP4 to MP3 converter: save the audio from any MP4 as an MP3 at up to 320 kbps. Runs in your browser, so nothing is uploaded. No sign-up.

MP4 to GIF Converter
Free MP4 to GIF converter: make a looping GIF from the first 3 to 15 seconds of an MP4, 320 to 640 px wide. Runs in your browser, no watermark.

MOV to MP4 Converter
Free MOV to MP4 converter: turn iPhone and QuickTime MOV files into MP4 in your browser. H.264 videos convert without re-encoding. No upload.

MKV to MP4 Converter
Free MKV to MP4 converter: turn MKV files into MP4 right in your browser. H.264 videos keep full quality with no re-encoding. No upload, no watermark.

Loop Video Online
Loop video free: repeat any clip 2, 3, 5 or 10 times in one file. Runs in your browser, so nothing is uploaded. No sign-up and no watermark.