Create Mosaic Tiles From Photos Create tile mosaic effects with customizable tile size and gap.

What Is Image Mosaic?

Divides an image into colored tiles with visible gaps, similar to ceramic mosaic. Each tile shows the average color of its pixels.

Why Use Image Mosaic?

• Adjustable tile size and gap
• Realistic ceramic look
• Average color per tile
• More artistic than pixelation

Common Use Cases

Artistic Prints

Mosaic-style artwork.

Privacy Masking

Obscure details artistically.

Design Backgrounds

Mosaic textures.

Decorative Art

Digital tilework designs.

Technical Guide

Divides into NxN tiles, averages RGB per tile, fills canvas with gap color, draws inset colored rectangles.

Tips & Best Practices

• 1
  10-20 fine, 30-50 bold tiles
• 2
  1-3px gap for realistic grout
• 3
  Dark gap simulates ceramic grout
• 4
  Colorful images work best

Related Tools

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Frequently Asked Questions

Q Different from pixelation?

Mosaic adds gaps between tiles for a more artistic look.

Q What does gap do?

Adds spacing between tiles like ceramic grout.

Q What tile size?

10-20 detail, 30-50 bold effect.

Q Change tile shape?

Square tiles only.

About This Tool

Image Mosaic is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.