Observed arrival · 2026-08-30

SpeedLine Creator, a Manga Effect Workbench

speedlinecreator.com Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

A browser tool for designing adjustable manga-style speed lines and focus lines, then exporting them as transparent PNGs or image sequences.

Landing page captured for the 2026-08-30 issue.

Field notes

The application previews adjustable focus and motion lines in real time, with controls for frame rate, aspect ratio, texture, branching, glow, and noise. It exports transparent PNGs or numbered image sequences, with output limited to a 7680-pixel long side before proportional reduction. Background-image processing is described as browser-local, while presets remain in site data and can disappear if the cache or cookies are cleared.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

ƒJavaScriptBrowser-side code central

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The Unserved Branch

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