Manga Background Maker

Manga Speed Lines Generator

Create fast motion backgrounds for anime edits, comic panels, and high-energy thumbnails. Speed lines are rendered from seeded canvas strokes, so changing the seed gives a new layout while export remains deterministic.

Preparing editor...

How to use

Make a speed lines PNG in three steps

Tune the template controls until the background matches your panel or thumbnail.

Upload a transparent PNG, JPG, or WEBP and place the subject on the canvas.

Choose an export size and download a static PNG. No login or upload server required.

Best uses

Where speed lines backgrounds work best

Action thumbnails

Use radial speed lines behind a character or product to signal motion, chase scenes, attacks, or fast reveals.

Panel transitions

Switch direction to left, right, top, or bottom when a manga panel needs a clear sense of travel.

Creator overlays

Export a clean PNG background for video thumbnails, meme panels, or social posts that need speed without animation.

How it works

Canvas rules behind this template

The canvas draws seeded strokes from a direction or from a radial center, so the same seed recreates the same line layout.

Line count changes density, thickness changes visual weight, and length controls how far each motion mark travels.

Jitter adds hand-drawn variation without moving the uploaded subject layer.

Tips

Quick ways to improve the PNG

Use radial mode for impact, and horizontal or vertical modes for clear movement direction.
Lower jitter when you need clean graphic lines around product images.
Try a dark line color on a warm background for classic black-and-white manga energy with better web contrast.

Questions

Speed Lines FAQ

Can I make horizontal or vertical speed lines?

Yes. Direction can be left, right, top, bottom, or radial depending on the kind of motion you need.

What does the seed control?

The seed changes the randomized spacing and offsets while keeping the same parameters reproducible for PNG export.

Can I export transparent speed lines?

This MVP exports a full PNG with a background color. Transparent background export is not included yet.

Templates

Choose a canvas background template

Every card links to its own editor page and SEO URL. The preview is rendered with the same canvas template used for download.

shock

Shock Background

A radial anime impact burst for surprise panels, reaction thumbnails, and comic punchlines.

Live canvas preview

Open template

pattern

Anime Stripe Background

A crisp diagonal emphasis stripe background for colorful anime cards and manga captions.

Live canvas preview

Open template

glitch

Glitch Background

A digital anime glitch background with bars, RGB offsets, and seeded noise.

Live canvas preview

Open template