Video Toolbox
Convert, edit, compress and inspect video files without uploading them. All tools run locally in your browser memory with zero server uploads and zero tracking.
Convert video between MP4, WebM, MOV, AVI, MKV, 3GP, FLV, WMV and GIF — free, in your browser.
Trim a video to a chosen start and end time.
Remove a section from a video and join the rest.
Combine multiple video files into one.
Split a video file into equal parts.
Crop a video to a centered region.
Rotate a video by 90, 180 or 270 degrees.
Mirror a video horizontally or vertically.
Scale a video up or down.
Reduce video file size by adjusting quality.
Speed up or slow down a video.
Reverse a video to play backwards.
Capture a single frame from a video as an image.
Generate candidate thumbnail images from a video.
Overlay a logo or image watermark onto a video.
Burn text captions onto a video.
Add a smooth fade-in and fade-out to a video.
Increase or decrease the audio volume of a video.
Remove the audio track from a video.
Extract the audio track from a video as MP3.
Replace the soundtrack of a video with a different audio file.
View embedded tags and technical info of a video file.
Strip embedded tags from a video file.
Check the pixel resolution of a video file.
Check the frame rate and codec of a video file.
Calculate average bitrate from file size and duration.
Estimate video file size from bitrate and duration.
Check the exact length of one or more video files.
Calculate and simplify a video aspect ratio.
Convert a video to a different frame rate.
Analyze the dominant colors and brightness of a video.