diff --git a/kitty/shaders.c b/kitty/shaders.c
index 7e436d079..b383493e5 100644
--- a/kitty/shaders.c
+++ b/kitty/shaders.c
@@ -755,8 +755,8 @@ setup_texture_as_render_target(unsigned width, unsigned height, GLuint *texture_
     glBindTexture(GL_TEXTURE_2D, *texture_id);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
     // We use GL_RGBA16 to avoid incorrect colors due to quantization loss when
     // blending, see https://github.com/kovidgoyal/kitty/issues/8953
     static struct { bool ok; int fmt; } status = { false, GL_RGBA16};
diff --git a/kitty/shaders/custom/crt.slang b/kitty/shaders/custom/crt.slang
new file mode 100644
index 000000000..725fbe281
--- /dev/null
+++ b/kitty/shaders/custom/crt.slang
@@ -0,0 +1,38 @@
+#language slang 2026
+// Original shader: https://www.shadertoy.com/view/WsVSzV (CC BY NC SA 3.0)
+// Ported to slang for kitty
+
+import kitty_custom_shader_types;
+
+extern static const float warp = 0.25f;  // simulates curvature of CRT monitor
+extern static const float scan = 0.50f;  // simulates darkness between scanlines
+
+public float4 fragment_main(
+    float4 color,
+    KittyTextures t,
+    KittyCustomShaderData d,
+    float4 viewport
+) {
+    // UV within the current viewport (0..1)
+    float2 uv = t.pos;
+
+    // Squared distance from center (drives curvature)
+    float2 dc = abs(0.5f - uv);
+    dc *= dc;
+
+    // Warp UV to simulate CRT screen curvature
+    uv.x -= 0.5f; uv.x *= 1.0f + (dc.y * (0.3f * warp)); uv.x += 0.5f;
+    uv.y -= 0.5f; uv.y *= 1.0f + (dc.x * (0.4f * warp)); uv.y += 0.5f;
+
+    // Original Y pixel coordinate within the viewport (for scanline phase)
+    float fragCoordY = (t.pos.y - viewport.y) * float(d.viewport_size_pixels.y);
+
+    // Scanline darkness at this pixel row
+    float apply = abs(sin(fragCoordY) * 0.25f * scan);
+
+    // Sample the backbuffer at the warped viewport UV
+    float2 sample_uv = viewport.xy + uv * viewport.zw;
+    float3 col = t.backbuffer.Sample(sample_uv).rgb;
+
+    return float4(lerp(col, float3(0.0f), apply), 1.0f);
+}