GLSL Shader Editor

Write GLSL fragment shaders with live WebGL preview — u_time, u_resolution, and u_mouse uniforms are pre-wired so animation and interactive effects work immediately without boilerplate setup.

Free • No install • Runs in your browser

Edit vertex and fragment GLSL shaders and see the result on a 3D mesh in real time. WebGL / GLSL ES 1.0. Uniforms u_time, u_resolution, and u_mouse are available.

Tip: Tab = 2 spaces, Shift+Tab = outdent. Enter = new line with same indent. Wireframe = compile error; check console (F12).

Drag to rotate. Mouse position is passed as u_mouse (0–1).

About GLSL shaders

Vertex shaders run per vertex and set gl_Position and pass data via varying. Fragment shaders run per pixel and set gl_FragColor. This tool uses sphere, plane, or cube geometry; you can use uv and position in the vertex shader. Use u_time, u_resolution, and u_mouse for effects. More developer tools: 3D Tools and 3D Screenshot Generator.

By Muhammad Abdullah Rauf · Founder, EverydayTools.proUpdated 2026

What is GLSL Shader Editor?

Write GLSL fragment shaders with live WebGL preview — u_time, u_resolution, and u_mouse uniforms are pre-wired so animation and interactive effects work immediately without boilerplate setup.

Free browser-based GLSL shader editor — write fragment and vertex shaders with real-time WebGL rendering. Includes u_time, u_resolution, and u_mouse uniforms for animated and interactive effects. Syntax highlighting, error console, and built-in examples. No install required.

Methodology (shader-preview-tool)

Write GLSL fragment shaders with live WebGL preview — u_time, u_resolution, and u_mouse uniforms are pre-wired so animation and interactive effects work immediately without boilerplate setup.

How to use GLSL Shader Editor

  1. Open or load your file

    Select a supported file or paste shader code as required.

  2. Inspect or adjust view

    Orbit, zoom, or edit parameters to verify the result.

  3. Export or copy output

    Download screenshots or copy diagnostics when ready.

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Frequently Asked Questions

What does GLSL Shader Editor do?

Write GLSL fragment shaders with live WebGL preview — u_time, u_resolution, and u_mouse uniforms are pre-wired so animation and interactive effects work immediately without boilerplate setup.

Are my files uploaded?

Shader code runs in your browser's WebGL context only.

Privacy, accuracy, and trust

Privacy

Shader code runs in your browser's WebGL context only.

Accuracy

Rendering depends on your GPU, browser, and file validity.

Preview only—not a replacement for desktop 3D DCC or slicer software.

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Reviewed by EverydayTools Editorial Team on 2026-05-19.