GoldSrc Decal Maker runs in your browser · nothing is uploaded

How it works

Everything runs in your browser — your image is never uploaded. The tool builds the tempdecal.wad and a preview, and you download the file to your computer.

What is tempdecal.wad?

A custom spray (decal) format used by GoldSrc games — Half-Life, Counter-Strike 1.6, and Sven Co-op. By default these games ship only a few preset sprays; a tempdecal.wad lets you spray any image you like, including full-color ones.

Where do I put the file?

Copy your tempdecal.wad into the game's folder (the folder containing hl.exe). By default this targets the two most common games:

• Sven Co-op: <Game Folder>\svencoop
• Half-Life: <Game Folder>\valve

Counter-Strike 1.6 instead uses <Game Folder>\cstrike.

To find your Game Folder, open Steam → Library, right-click the game and choose Manage > Browse local files.
Recommended: set tempdecal.wad to read-only (right-click → Properties → check Read-only) so the game can't overwrite your custom spray with a default one.

Sven Co-op

Enable custom sprays: launch the game → Options → Multiplayer → Advanced..., then under Graphics set Custom player sprays to Enabled.

Pick a Decal memory budget that matches your Sven Co-op texture cache:

• 2 MB cache — tightest fit, guaranteed to load on the smallest budget
• 4 MB cache — balanced (recommended default)
• 16 MB cache — crispest detail, needs the larger cache enabled

Pixel-art sprays

To keep pixel art sharp instead of blurry, run this in the in-game console:
gl_texturemode GL_NEAREST_MIPMAP_LINEAR
(This tool also resamples with point sampling when the image has hard edges, which favors crispness.)

Supported image formats

PNG, JPEG, BMP — and generally any raster format your browser can load (except SVG).