TileSmith — Seamless Tile Toolkit for Aseprite

🧱 Seamless Tiles, No Guesswork

TileSmith turns any pixel art into a perfectly seamless tile — with offset blending, auto mirroring, edge checking, and a live tiled preview. All without leaving Aseprite.

No more alt-tabbing to check if your tile repeats. No more visible seams in your game worlds.

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✦ Features

• Live Tiled Preview — See your tile repeated in a 2x2, 3x3, or 4x4 grid in real-time
• Make Seamless — Offset + blend algorithm that removes seams automatically with adjustable blend width
• Auto Mirror — Horizontal, Vertical, Both, or Quad mirror for instant symmetrical tiles
• Edge Match Check — Highlights mismatched edges in red/blue so you can fix them manually
• Non-modal Dialog — Keep working on your sprite while TileSmith stays open

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✦ Tools Included

Make Seamless	Offsets the image by half and blends the center seam — adjustable blend width (2–16 px)
Auto Mirror	Mirrors your tile horizontally, vertically, both, or as a quad — guaranteed seamless
Edge Match Check	Creates a marker layer showing where top≠bottom (red) and left≠right (blue) with adjustable threshold
Tiled Preview	Live canvas preview showing your tile repeated — instantly see how it looks as a pattern

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✦ How It Works

1. Open your tile sprite in Aseprite
2. Go to Edit → TileSmith — Seamless Tiles
3. Use the tiled preview to see how your tile repeats
4. Click Make Seamless to auto-blend edges, or Auto Mirror for symmetrical tiles
5. Run Edge Match Check to spot any remaining mismatches
6. Hit Refresh Preview after each edit to see your progress

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✦ Perfect For

• Game developers building tilesets for 2D worlds
• Pixel artists creating repeating patterns and textures
• Anyone making backgrounds, terrain, or wallpapers that need to tile
• Quick prototyping of seamless textures from any starting image

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✦ Installation

1. Download the .aseprite-extension file
2. Double-click it — Aseprite installs it automatically
3. Find it under Edit → TileSmith — Seamless Tiles

Requires Aseprite v1.3 or newer. Works best with RGB color mode.

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✦ What You Get

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TileSmith.aseprite-extension

Ready-to-install extension file

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Made by Deer Rock Studios

This product may have bugs; we are improving every day and your feedback would help us. That said, we are not responsible for misuse and do not offer refunds.