Free Online Web Video Tools
Choose a video conversion or audio editing tool and process the file in your browser.
All video tools
Video format converter
Convert videos to MP4, WebM, MOV, or MKV
Change video aspect ratio
Fit a video to a new aspect ratio without cropping it
Extract audio from video
Save the sound from a video as a separate audio file
Mute a video
Remove sound from the whole video or selected sections
Adjust video volume
Change the volume of a full video or selected sections
Add audio to video
Add background music or sound effects to a video
Add a watermark to video
Place a logo or image anywhere on a video
Convert MP4 video to WebM
Use WebM for website backgrounds, product demos, and browser-based playback.
Convert MP4 video to MOV
Prepare MP4 footage for software and players that work better with MOV.
Convert MP4 video to MKV
Prepare MP4 footage for software and players that work better with MKV.
Convert WEBM video to MP4
Prepare WEBM footage for software and players that work better with MP4.
Convert WEBM video to MOV
Prepare WEBM footage for software and players that work better with MOV.
Convert WEBM video to MKV
Prepare WEBM footage for software and players that work better with MKV.
Convert MOV video to MP4
Prepare MOV footage for software and players that work better with MP4.
Convert MOV video to WEBM
Prepare MOV footage for software and players that work better with WEBM.
Convert MOV video to MKV
Prepare MOV footage for software and players that work better with MKV.
Convert MKV video to MP4
Prepare MKV footage for software and players that work better with MP4.
Convert MKV video to WEBM
Prepare MKV footage for software and players that work better with WEBM.
Convert MKV video to MOV
Prepare MKV footage for software and players that work better with MOV.
Change MP4 video aspect ratio
Fit MP4 footage to vertical, landscape, square, or 4:3 layouts without cropping.
Change WEBM video aspect ratio
Fit WEBM footage to vertical, landscape, square, or 4:3 layouts without cropping.
Change MOV video aspect ratio
Fit MOV footage to vertical, landscape, square, or 4:3 layouts without cropping.
Change MKV video aspect ratio
Fit MKV footage to vertical, landscape, square, or 4:3 layouts without cropping.
Extract audio from MP4 video
Save speech, music, or other sound from an MP4 video as a separate audio file.
Extract audio from WEBM video
Save speech, music, or other sound from an WEBM video as a separate audio file.
Extract audio from MOV video
Save speech, music, or other sound from an MOV video as a separate audio file.
Extract audio from MKV video
Save speech, music, or other sound from an MKV video as a separate audio file.
Remove audio from MP4 video
Mute an entire MP4 video or remove sound only from selected time ranges.
Remove audio from WEBM video
Mute an entire WEBM video or remove sound only from selected time ranges.
Remove audio from MOV video
Mute an entire MOV video or remove sound only from selected time ranges.
Remove audio from MKV video
Mute an entire MKV video or remove sound only from selected time ranges.
Adjust MP4 video volume
Raise quiet speech or lower loud sections in an MP4 video.
Adjust WEBM video volume
Raise quiet speech or lower loud sections in an WEBM video.
Adjust MOV video volume
Raise quiet speech or lower loud sections in an MOV video.
Adjust MKV video volume
Raise quiet speech or lower loud sections in an MKV video.
Add audio to MP4 video
Mix background music, narration, or sound effects into an MP4 video.
Add audio to WEBM video
Mix background music, narration, or sound effects into an WEBM video.
Add audio to MOV video
Mix background music, narration, or sound effects into an MOV video.
Add audio to MKV video
Mix background music, narration, or sound effects into an MKV video.
Add a watermark to MP4 video
Place a brand logo or source image over an MP4 video.
Add a watermark to WEBM video
Place a brand logo or source image over an WEBM video.
Add a watermark to MOV video
Place a brand logo or source image over an MOV video.
Add a watermark to MKV video
Place a brand logo or source image over an MKV video.

