Is the Seamless Pattern Generator free to use?

Yes. ToolsTab lets you upload images and generate seamless tiles for free.

Which file types are supported?

You can upload JPG, PNG, WebP, and TIFF images (up to 100MB total per batch).

What tile size should I choose?

Use 3600×3600 for marketplace-friendly tiles, or 2048×2048 for faster generation.

What output format is best?

PNG is best quality, JPG is smaller, and WebP is usually the smallest while keeping good quality.

Bulk generate • Marketplace-ready tile sizes • PNG/JPG/WebP

Seamless Pattern Generator Online for Free

Upload your image(s) and generate a perfectly tileable seamless pattern tile. Choose tile size and output format, then download a single file or a ZIP.

Start now →

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Drag & drop images here

or click to browse • Max total 100MB • JPG/PNG/WebP/TIFF

Settings

Use pills (no dropdowns). Choose tile size and output format.

Tile size

3600×3600 is marketplace-friendly. 2048×2048 is faster.

Custom tile size (px)

× same

Allowed: 256 – 12000

Output format

PNG = best quality • JPG = smaller • WebP = usually smallest

Summary

Files

0

Total size

0

Tile

3600

Format

png

Max total upload size: 100MB. Multiple images download as ZIP.

How it works

Upload one or more images (drag & drop or click to browse).
Choose tile size and output format using the pill buttons.
Click “Generate & Download”.
Single file downloads directly; multiple files download as ZIP.

Generation time depends on image size and batch count. For best results, use high-quality source images.

Tips for seamless patterns

Start clean

Avoid hard edges and keep elements away from borders.

Use 3600

Marketplace-friendly tile size for listing previews.

Pick format

PNG for quality, JPG/WebP for smaller downloads.

Verify seams

Use your Seamless Pattern Checker to spot joins.