Six optional steps around one video: keep only the parts you want, change the shape, add a logo, burn in captions, replace or remove the sound, and put an intro, outro or thumbnail around it. Switch off anything you do not need. Nothing is uploaded — the whole job happens on your own device.
The reason to use this rather than the separate tools is not the clicking. Doing six things in six tools means the video is decoded and encoded six times, and every pass costs a little quality. Here each frame is composited once — reshaped, logo, caption — and encoded once, so the result is cleaner as well as quicker. The single-purpose tools stay, because most people want one thing and a page that does one thing is easier to find and faster to use.
Things worth knowing before you start
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Caption timings and cutting interact:
if you keep only some sections, a caption written for 01:55 of the original lands earlier in the finished video. Tell it which the timings refer to and they are shifted to match. Captions falling in parts you cut are left out rather than shown at the wrong moment.
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Captions go on your material, not on the intro:
a caption drawn over an intro logo is never what was meant, so captions are applied to the main video only. The logo, being branding, is drawn on everything.
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Everything is matched to the main video:
an intro of a different size or shape is scaled and fitted rather than refused, and silence is generated for anything without sound so the audio does not end early and drift.
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Music replaces rather than mixes:
the original sound is not written at all when music is chosen. A track longer than the video is trimmed with a short fade-out; a shorter one plays out and leaves silence rather than looping.
Why one pass beats six
Chaining six single-purpose tools to cut, reshape, brand, caption and rescore a video means decoding and re-encoding it six separate times, and every one of those passes throws away a little quality. The [msm_tool slug="video-studio"] does the same six jobs differently: every frame is composited once — cut, reshaped, logo and caption applied together — and encoded once. The result is both cleaner and faster than the same six steps run in sequence, which is why this exists alongside the single-purpose tools rather than replacing them; most people only want one of the six, and a page built around one job is easier to find and quicker to use than a page built around all of them.
The one genuinely tricky part: captions across a cut
Removing sections from a video shifts everything after the cut earlier, and a caption written against the original timeline needs to move with it. The timing basis is stated rather than guessed: tell it the captions refer to the original video or to the finished one, and they are handled accordingly. A caption that falls entirely inside a section you removed is left out rather than shown at the wrong moment, and one that straddles a cut boundary ends at that boundary instead of running on into material that no longer exists.
What the logo touches that captions do not
Captions are written onto the main material only — never onto an intro, outro or held thumbnail, because a caption drawn over a title card is never what was intended. The logo is treated as branding rather than content, so it is drawn onto everything, intro and outro included.
Mismatched pieces are matched to the main video, not rejected
An intro or outro clip in a different size, shape or frame rate is scaled and fitted to the main video rather than refused. Where a piece has no audio track at all — a still thumbnail, a silent clip — silence is generated in its place, because leaving a gap would make the audio finish early and drift out of sync with everything after it.
Music replaces the original sound rather than sitting under it
Choosing music means the original audio is not written at all — there is no mixing or level-balancing to get wrong, because nothing is being balanced against anything else. A track longer than the finished video is trimmed with a short fade-out at the cut point; a shorter one plays through and leaves silence afterwards rather than looping back to the start.
Where the sound can go missing
MP4 audio needs the AAC codec, and AAC encoding is not available in Firefox on any platform, or in any browser on desktop Linux. Where that applies, the page says so before the run starts rather than after a long encode finishes silently. Chrome, Edge and Safari keep the sound.