Guides and explainers on getting more out of the tools — which format to ship, what a score means, and where browser tools beat uploads.
The rule applied is purely mechanical — capitalise every whitespace-separated run — not the editorial convention most style guides actually follow. Why snake_case drops accented characters rather than converting them, and why converting to uppercase here is permanent, unlike a CSS styling choice.
Read moreA file can only start at a keyframe, so landing the cut on the exact second asked for means re-encoding rather than copying. Why a ten-second trim from an hour-long file still decodes the whole hour of audio, and why timestamps are rebased to zero.
Read moreMost social platforms never show a separate subtitle track at all, which is the real reason the words get drawn onto the frames instead. Why every line gets an outline whether you ask for one or not, and what a caption running past the end of the video is actually telling you.
Read moreSix single-purpose tools chained together means six decode-and-encode passes and six generations of quality loss. How captions get remapped across a cut, why the logo reaches the intro but captions do not, and where the sound can go missing.
Read moreIt is the total output held in memory before the ZIP is written, not the length of the source video. Fill-and-crop versus blurred fill for turning widescreen into vertical, why a two-second remainder gets dropped, and how to pick a clip length.
Read moreRemoving a middle part means marking the section before it and the section after it, not deleting anything. Why the result is one continuous file rather than several stitched together, and how this differs from both the trimmer and the merger.
Read moreNo levels, no ducking, because there is only ever one audio source in the result. What happens when a track runs longer or shorter than the video, why the real risk here is copyright rather than audio quality, and why Firefox and desktop Linux cannot use this tool at all.
Read moreClips can only share a container if they share a resolution, frame rate and codec, which is why every one gets rebuilt to match rather than simply stitched together. Why the output shape follows the first clip by default, and why stretching a mismatched clip is deliberately not offered.
Read moreYouTube and Instagram ignore whatever thumbnail is stored in a file and take their own at upload, which is why this holds the image as actual seconds of video instead. How an outro placed mid-video splits and resumes the main footage, and why the main video gets re-encoded too.
Read more1080 for a vertical shape means 1080 wide and 1920 tall — an earlier version read it backwards. Blurred fill versus fill-and-crop versus fit-with-bars, and why a bigger output never actually adds detail.
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