rMux — App Store rankings

About this app

The developer's US App Store description, in full.

rMux is the essential video editor for your Mac: open a clip, trim what you don't need, pick a format, and save. Whenever it can, it works without re-encoding, so it's lightning fast and doesn't lose a shred of quality. TRIM WITHOUT LOSING QUALITY • Set a start and end point on the timeline and save just the part you need. • Keyframes are marked on the timeline: the video is copied as is, with no re-encoding, in seconds. • Switch containers (MP4, MOV, MKV, WebM, AVI) while leaving video and audio untouched. CONVERT YOUR WAY • H.264 and HEVC with your Mac's hardware acceleration, or AV1, VP9, and ProRes. • Constant quality, two-pass bitrate, or a target file size. • Advanced options: level, keyframe interval, track title. EVERY TRACK UNDER CONTROL • For each audio track, choose to copy it, convert it (AAC, AC3, MP3, Opus, FLAC, PCM), or leave it out. • Adjust the volume in dB and fix audio/video delay, even without re-encoding. • Edit the language, title, and default track, or extract a track to its own file. SUBTITLES YOUR WAY • Import SRT and ASS/SSA files, even with legacy character encodings. • Add them as a track viewers can turn on, or burn them into the picture with the size, color, and position you choose. • Shift the timing, edit individual lines, and save the result as SRT. • Extract subtitles already in the video. CROP AND CORRECT • Crop right on the preview, resize, rotate, and flip. • Deinterlace, denoise, sharpen, correct color, and apply .cube LUTs, with a before/after preview. • Save a frame as an image or extract the video without its audio. MERGE VIDEOS • Line up several clips and join them into a single file. • If they match, rMux joins them without re-encoding; otherwise it conforms them to the first clip's resolution and frame rate. WORK IN THE BACKGROUND • Queue several exports and keep working: the queue carries on even if you close the window. • Progress on the Dock icon and a notification when it's done. PRIVATE AND NATIVE • Everything happens on your Mac: no uploads, no account, no tracking. • Your original is never modified: rMux always creates a new file. • Open videos by dragging them into the window or onto the Dock icon, or with "Open With…" in Finder. • Light, dark, or automatic appearance; customizable keyboard shortcuts; interface in English and Italian.

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