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Highlights
- Tune radial and speed lines in real time with instant preview.
- Designed for comic panels and animation plates.
- Export still PNGs or numbered frame sequences.
- Switch frame rate to match your preview and export needs.
- Aspect presets (16:9, 1:1, etc.) plus fit-to-background options.
- Double-click any slider thumb to reset that parameter to its default.
Guide
- Parameter values and appearance may change without notice.
- Phones get brush texture, basic controls, and PNG export. Wear and frame sequences stay on the desktop version.
- Background images are processed in your browser; image data is not uploaded to our servers.
- Free for personal and commercial use.
- Selling or redistributing generated assets as-is is prohibited by the Terms.
- Presets are stored locally; clearing site data may remove them.
- Performance depends on your device and browser state.
- The long side is capped at 7680px; larger exports are scaled down proportionally.
Changelog
- 2026-10-04 Rebuilt the phone version as a single picture-first screen.
- 2026-09-26 Photos and illustrations from your phone can now be used as the background.
- 2026-09-17 Added a dedicated phone editor with PNG export and brush texture controls.
- 2026-08-30 The site moved to speedlinecreator.com. The old address redirects automatically.
- 2026-08-18 Added brush texture (sumi). Reorganized background and line parameters.
- 2026-07-20 Added undo. Adjusted some calculations and reorganized parameters for clearer controls.
- 2026-07-17 App-only fullscreen, a new line wear effect, and improved noise/waviness rendering.
- 2026-07-11 Added tip split and split count for radial lines, so thick rays can fray into natural needle tips.
- 2026-04-10 Double-click a slider thumb to reset that control to its default.
- 2026-03-25 Added preset save/load and a line glow mode.