diff --git a/.env.example b/.env.example
index 898e99a..44bd284 100644
--- a/.env.example
+++ b/.env.example
@@ -16,9 +16,9 @@ PUB_VERTD_URL=https://vertd.vert.sh
 PUB_DISABLE_ALL_EXTERNAL_REQUESTS=false
 
 # Set to true to disable blocking video conversions of an uploaded file when repeated failures
-# occur within an hour. Useful for local deployments where secure context (HTTPS) may not be
-# available - required for calculating file hashes of videos to block temporarily.
-PUB_DISABLE_FAILURE_BLOCKS=false
+# occur within an hour. Setting to false is only recommended for production deployments where
+# secure context (HTTPS) is available, which is required for calculating file hashes of videos to block temporarily.
+PUB_DISABLE_FAILURE_BLOCKS=true
 
 # Stripe donation settings
 # Please keep these values the same, they support VERT's development!
diff --git a/src/lib/converters/magick/magick.svelte.ts b/src/lib/converters/magick/magick.svelte.ts
index 0368b3a..8e3d4fd 100644
--- a/src/lib/converters/magick/magick.svelte.ts
+++ b/src/lib/converters/magick/magick.svelte.ts
@@ -52,6 +52,8 @@ export class MagickConverter extends Converter {
 		new FormatInfo("eps", false, true),
 		new FormatInfo("psd", true, true),
 
+		new FormatInfo("dcm", true, false),
+
 		// raw camera formats
 		new FormatInfo("arw", true, false),
 		new FormatInfo("tif", true, true),
@@ -151,6 +153,20 @@ export class MagickConverter extends Converter {
 				break;
 		}
 
+		const toRes = (
+			w: number,
+			h?: number,
+		): { value: string; label: string } => {
+			if (w && h) {
+				if (w < h)
+					return { value: `${w}x${h}`, label: `${w}x${h} (V)` };
+				if (w > h) return { value: `${w}x${h}`, label: `${w}x${h}` };
+				return { value: `${w}x${h}`, label: `${w}x${h}` };
+			}
+			if (w) return { value: `${w}x${w}`, label: `${w}x${w}` };
+			return { value: "", label: "" };
+		};
+
 		const quality: SettingDefinition = {
 			key: "quality",
 			label: m["convert.settings.image.quality"](),
@@ -163,28 +179,29 @@ export class MagickConverter extends Converter {
 
 		// TODO: surely there's a better way to do this as well
 		const iconResolutions = [
-			{ value: "16x16", label: "16x16" },
-			{ value: "32x32", label: "32x32" },
-			{ value: "48x48", label: "48x48" },
-			{ value: "64x64", label: "64x64" },
-			{ value: "128x128", label: "128x128" },
-			{ value: "256x256", label: "256x256" },
-			{ value: "512x512", label: "512x512" },
+			toRes(16),
+			toRes(32),
+			toRes(48),
+			toRes(64),
+			toRes(128),
+			toRes(256),
+			toRes(512),
 		];
 		const commonResolutions = [
 			{
 				value: "custom",
 				label: m["convert.settings.common.custom"](),
 			},
-			{ value: "426x240", label: "426x240" },
-			{ value: "640x360", label: "640x360" },
-			{ value: "854x480", label: "854x480" },
-			{ value: "720x1280", label: "720x1280 (V)" },
-			{ value: "1280x720", label: "1280x720" },
-			{ value: "1080x1920", label: "1080x1920 (V)" },
-			{ value: "1920x1080", label: "1920x1080" },
-			{ value: "2160x3840", label: "2160x3840 (V)" },
-			{ value: "3840x2160", label: "3840x2160" },
+			toRes(320, 240),
+			toRes(426, 240),
+			toRes(640, 360),
+			toRes(854, 480),
+			toRes(720, 1280),
+			toRes(1280, 720),
+			toRes(1080, 1920),
+			toRes(1920, 1080),
+			toRes(2160, 3840),
+			toRes(3840, 2160),
 		];
 		const resolution: SettingDefinition = {
 			key: "resolution",
diff --git a/src/lib/workers/magick.ts b/src/lib/workers/magick.ts
index 669cb96..0fe1800 100644
--- a/src/lib/workers/magick.ts
+++ b/src/lib/workers/magick.ts
@@ -300,7 +300,7 @@ const magickConvert = async (
 		}
 	}
 
-	if (fmt === "ICO") && !singleSize) {
+	if (fmt === "ICO" && !singleSize) {
 		const standardSizes = [16, 24, 32, 48, 64, 128, 256, 512];
 
 		let desired = 0;
@@ -318,13 +318,16 @@ const magickConvert = async (
 		}
 
 		if (desired <= 0) desired = Math.max(...standardSizes);
-		if (desired > Math.max(...standardSizes)) desired = Math.max(...standardSizes);
+		if (desired > Math.max(...standardSizes))
+			desired = Math.max(...standardSizes);
 
 		const sizes = standardSizes.filter((s) => s <= desired);
 		if (sizes.length === 0) sizes.push(Math.min(...standardSizes));
 
 		const sourcePng = await new Promise<Uint8Array>((resolve) => {
-			img.write(MagickFormat.Png, (o: Uint8Array) => resolve(structuredClone(o)));
+			img.write(MagickFormat.Png, (o: Uint8Array) =>
+				resolve(structuredClone(o)),
+			);
 		});
 
 		console.log(`encoding sizes for ico: ${sizes.join(", ")}`);
@@ -337,18 +340,27 @@ const magickConvert = async (
 						new MagickReadSettings({ format: MagickFormat.Png }),
 					);
 
-					const scale = size / Math.max(variant.width, variant.height);
+					const scale =
+						size / Math.max(variant.width, variant.height);
 					const newW = Math.max(1, Math.round(variant.width * scale));
-					const newH = Math.max(1, Math.round(variant.height * scale));
+					const newH = Math.max(
+						1,
+						Math.round(variant.height * scale),
+					);
 					variant.resize(newW, newH);
 
 					collection.push(variant);
-					console.log(`added size ${size}x${size} to MagickImageCollection`);
+					console.log(
+						`added size ${size}x${size} to MagickImageCollection`,
+					);
 				}
 
-				collection.write(fmt as unknown as MagickFormat, (o: Uint8Array) => {
-					resolve(structuredClone(o));
-				});
+				collection.write(
+					fmt as unknown as MagickFormat,
+					(o: Uint8Array) => {
+						resolve(structuredClone(o));
+					},
+				);
 			});
 		});
 	}
@@ -362,6 +374,7 @@ const magickConvert = async (
 			const transparency = conversionSettings.transparency as boolean;
 			const metadata = conversionSettings.metadata as boolean;
 
+			// magick-wasm automatically clamps (https://github.com/dlemstra/magick-wasm/blob/76fc6f2b0c0497d2ddc251bbf6174b4dc92ac3ea/src/magick-image.ts#L2480)
 			if (quality) img.quality = quality;
 			if (bitDepth) img.depth = bitDepth;
 			if (!metadata) img.strip();
@@ -399,7 +412,6 @@ const magickConvert = async (
 				img.alpha(AlphaAction.Remove);
 			}
 
-			// magick-wasm automatically clamps (https://github.com/dlemstra/magick-wasm/blob/76fc6f2b0c0497d2ddc251bbf6174b4dc92ac3ea/src/magick-image.ts#L2480)
 			img.write(fmt as unknown as MagickFormat, (o: Uint8Array) => {
 				resolve(structuredClone(o));
 			});