Video & Animation

Bitrate, timecode, safe-area and sprite-timing utilities.

6 tools

Aspect Ratio & Safe-Area Planner Compute title-safe and action-safe rectangles, plus letterbox/pillarbox bars and the largest crop for a target aspect ratio.
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Drop-Frame Timecode Calculator Add and subtract SMPTE timecodes with correct drop-frame handling for 29.97 and 59.94 fps, and convert between timecode and frame counts.
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FFmpeg Command Builder Build common FFmpeg commands for compression, GIFs, trimming, thumbnails and audio extraction.
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GIF / Sprite Sheet Timing Calculator Calculate per-frame delay, sprite-sheet dimensions and a ready-to-use CSS steps() keyframe animation from frame count and fps.
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Video Bitrate & File-Size Estimator Estimate video bitrate and final file size from resolution, fps, codec, motion and duration.
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YouTube Title & Description Preview Preview YouTube title and description truncation and get a reusable description template.
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