diff --git a/Makefile b/Makefile
index c1ce48af..5d48f209 100644
--- a/Makefile
+++ b/Makefile
@@ -51,7 +51,8 @@ all: rgbasm rgblink rgbfix rgbgfx
 
 common_obj := \
 	src/extern/getopt.o \
-	src/diagnostics.o
+	src/diagnostics.o \
+	src/usage.o
 
 rgbasm_obj := \
 	${common_obj} \
diff --git a/include/platform.hpp b/include/platform.hpp
index 8e71e71d..f8e55cc3 100644
--- a/include/platform.hpp
+++ b/include/platform.hpp
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: MIT
 
-// platform-specific hacks
-
 #ifndef RGBDS_PLATFORM_HPP
 #define RGBDS_PLATFORM_HPP
 
diff --git a/include/usage.hpp b/include/usage.hpp
new file mode 100644
index 00000000..5ebfcc19
--- /dev/null
+++ b/include/usage.hpp
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+
+#ifndef RGBDS_USAGE_HPP
+#define RGBDS_USAGE_HPP
+
+#include <stdarg.h>
+
+class Usage {
+	char const *usage;
+
+public:
+	Usage(char const *usage_) : usage(usage_) {}
+
+	[[noreturn]]
+	void printAndExit(int code) const;
+
+	[[gnu::format(printf, 2, 3), noreturn]]
+	void printAndExit(char const *fmt, ...) const;
+};
+
+#endif // RGBDS_USAGE_HPP
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index eeaa1dad..2f163cf5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -5,6 +5,7 @@ configure_file(version.cpp _version.cpp ESCAPE_QUOTES)
 set(common_src
     "extern/getopt.cpp"
     "diagnostics.cpp"
+    "usage.cpp"
     "_version.cpp"
     )
 
diff --git a/src/asm/main.cpp b/src/asm/main.cpp
index bf634057..b9209160 100644
--- a/src/asm/main.cpp
+++ b/src/asm/main.cpp
@@ -15,6 +15,7 @@
 #include "extern/getopt.hpp"
 #include "helpers.hpp"
 #include "parser.hpp" // Generated from parser.y
+#include "usage.hpp"
 #include "version.hpp"
 
 #include "asm/charmap.hpp"
@@ -83,41 +84,25 @@ static option const longopts[] = {
     {nullptr,           no_argument,       nullptr,  0  }
 };
 
-// LCOV_EXCL_START
-static void printUsage() {
-	fputs(
-	    "Usage: rgbasm [-EhVvw] [-b chars] [-D name[=value]] [-g chars] [-I path]\n"
-	    "              [-M depend_file] [-MC] [-MG] [-MP] [-MT target_file] [-MQ target_file]\n"
-	    "              [-o out_file] [-P include_file] [-p pad_value] [-Q precision]\n"
-	    "              [-r depth] [-s features:state_file] [-W warning] [-X max_errors]\n"
-	    "              <file>\n"
-	    "Useful options:\n"
-	    "    -E, --export-all               export all labels\n"
-	    "    -M, --dependfile <path>        set the output dependency file\n"
-	    "    -o, --output <path>            set the output object file\n"
-	    "    -p, --pad-value <value>        set the value to use for `ds'\n"
-	    "    -s, --state <features>:<path>  set an output state file\n"
-	    "    -V, --version                  print RGBASM version and exit\n"
-	    "    -W, --warning <warning>        enable or disable warnings\n"
-	    "\n"
-	    "For help, use `man rgbasm' or go to https://rgbds.gbdev.io/docs/\n",
-	    stderr
-	);
-}
-// LCOV_EXCL_STOP
-
-[[gnu::format(printf, 1, 2), noreturn]]
-static void fatalWithUsage(char const *fmt, ...) {
-	va_list ap;
-	fputs("FATAL: ", stderr);
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	putc('\n', stderr);
-
-	printUsage();
-	exit(1);
-}
+// clang-format off: long string literal
+static Usage usage(
+    "Usage: rgbasm [-EhVvw] [-b chars] [-D name[=value]] [-g chars] [-I path]\n"
+    "              [-M depend_file] [-MC] [-MG] [-MP] [-MT target_file] [-MQ target_file]\n"
+    "              [-o out_file] [-P include_file] [-p pad_value] [-Q precision]\n"
+    "              [-r depth] [-s features:state_file] [-W warning] [-X max_errors]\n"
+    "              <file>\n"
+    "Useful options:\n"
+    "    -E, --export-all               export all labels\n"
+    "    -M, --dependfile <path>        set the output dependency file\n"
+    "    -o, --output <path>            set the output object file\n"
+    "    -p, --pad-value <value>        set the value to use for `ds'\n"
+    "    -s, --state <features>:<path>  set an output state file\n"
+    "    -V, --version                  print RGBASM version and exit\n"
+    "    -W, --warning <warning>        enable or disable warnings\n"
+    "\n"
+    "For help, use `man rgbasm' or go to https://rgbds.gbdev.io/docs/\n"
+);
+// clang-format on
 
 // Parse a comma-separated string of '-s/--state' features
 static std::vector<StateFeature> parseStateFeatures(char *str) {
@@ -218,10 +203,7 @@ int main(int argc, char *argv[]) {
 			break;
 
 		case 'h':
-			// LCOV_EXCL_START
-			printUsage();
-			exit(0);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(0); // LCOV_EXCL_LINE
 
 		case 'I':
 			fstk_AddIncludePath(musl_optarg);
@@ -382,10 +364,7 @@ int main(int argc, char *argv[]) {
 
 		// Unrecognized options
 		default:
-			// LCOV_EXCL_START
-			printUsage();
-			exit(1);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(1); // LCOV_EXCL_LINE
 		}
 	}
 
@@ -394,9 +373,9 @@ int main(int argc, char *argv[]) {
 	}
 
 	if (argc == musl_optind) {
-		fatalWithUsage("Please specify an input file (pass `-` to read from standard input)");
+		usage.printAndExit("Please specify an input file (pass `-` to read from standard input)");
 	} else if (argc != musl_optind + 1) {
-		fatalWithUsage("More than one input file specified");
+		usage.printAndExit("More than one input file specified");
 	}
 
 	std::string mainFileName = argv[musl_optind];
diff --git a/src/fix/main.cpp b/src/fix/main.cpp
index 35a8c43e..89a962a9 100644
--- a/src/fix/main.cpp
+++ b/src/fix/main.cpp
@@ -16,6 +16,7 @@
 #include "extern/getopt.hpp"
 #include "helpers.hpp"
 #include "platform.hpp"
+#include "usage.hpp"
 #include "version.hpp"
 
 #include "fix/mbc.hpp"
@@ -57,40 +58,24 @@ static option const longopts[] = {
     {nullptr,            no_argument,       nullptr, 0  }
 };
 
-// LCOV_EXCL_START
-static void printUsage() {
-	fputs(
-	    "Usage: rgbfix [-hjOsVvw] [-C | -c] [-f <fix_spec>] [-i <game_id>] [-k <licensee>]\n"
-	    "              [-L <logo_file>] [-l <licensee_byte>] [-m <mbc_type>]\n"
-	    "              [-n <rom_version>] [-p <pad_value>] [-r <ram_size>] [-t <title_str>]\n"
-	    "              [-W warning] <file> ...\n"
-	    "Useful options:\n"
-	    "    -m, --mbc-type <value>      set the MBC type byte to this value; refer\n"
-	    "                                  to the man page for a list of values\n"
-	    "    -p, --pad-value <value>     pad to the next valid size using this value\n"
-	    "    -r, --ram-size <code>       set the cart RAM size byte to this value\n"
-	    "    -o, --output <path>         set the output file\n"
-	    "    -V, --version               print RGBFIX version and exit\n"
-	    "    -v, --validate              fix the header logo and both checksums (-f lhg)\n"
-	    "\n"
-	    "For help, use `man rgbfix' or go to https://rgbds.gbdev.io/docs/\n",
-	    stderr
-	);
-}
-// LCOV_EXCL_STOP
-
-[[gnu::format(printf, 1, 2), noreturn]]
-static void fatalWithUsage(char const *fmt, ...) {
-	va_list ap;
-	fputs("FATAL: ", stderr);
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	putc('\n', stderr);
-
-	printUsage();
-	exit(1);
-}
+// clang-format off: long string literal
+static Usage usage(
+    "Usage: rgbfix [-hjOsVvw] [-C | -c] [-f <fix_spec>] [-i <game_id>] [-k <licensee>]\n"
+    "              [-L <logo_file>] [-l <licensee_byte>] [-m <mbc_type>]\n"
+    "              [-n <rom_version>] [-p <pad_value>] [-r <ram_size>] [-t <title_str>]\n"
+    "              [-W warning] <file> ...\n"
+    "Useful options:\n"
+    "    -m, --mbc-type <value>      set the MBC type byte to this value; refer\n"
+    "                                  to the man page for a list of values\n"
+    "    -p, --pad-value <value>     pad to the next valid size using this value\n"
+    "    -r, --ram-size <code>       set the cart RAM size byte to this value\n"
+    "    -o, --output <path>         set the output file\n"
+    "    -V, --version               print RGBFIX version and exit\n"
+    "    -v, --validate              fix the header logo and both checksums (-f lhg)\n"
+    "\n"
+    "For help, use `man rgbfix' or go to https://rgbds.gbdev.io/docs/\n"
+);
+// clang-format on
 
 static uint8_t tpp1Rev[2];
 
@@ -727,10 +712,7 @@ int main(int argc, char *argv[]) {
 			break;
 
 		case 'h':
-			// LCOV_EXCL_START
-			printUsage();
-			exit(0);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(0); // LCOV_EXCL_LINE
 
 		case 'i':
 			gameID = musl_optarg;
@@ -835,10 +817,7 @@ int main(int argc, char *argv[]) {
 			break;
 
 		default:
-			// LCOV_EXCL_START
-			printUsage();
-			exit(1);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(1); // LCOV_EXCL_LINE
 		}
 	}
 
@@ -894,11 +873,11 @@ int main(int argc, char *argv[]) {
 
 	argv += musl_optind;
 	if (!*argv) {
-		fatalWithUsage("Please specify an input file (pass `-` to read from standard input)");
+		usage.printAndExit("Please specify an input file (pass `-` to read from standard input)");
 	}
 
 	if (outputFilename && argc != musl_optind + 1) {
-		fatalWithUsage("If `-o` is set then only a single input file may be specified");
+		usage.printAndExit("If `-o` is set then only a single input file may be specified");
 	}
 
 	bool failed = warnings.nbErrors > 0;
diff --git a/src/gfx/main.cpp b/src/gfx/main.cpp
index 9a2b1266..ccf9f109 100644
--- a/src/gfx/main.cpp
+++ b/src/gfx/main.cpp
@@ -18,6 +18,7 @@
 #include "extern/getopt.hpp"
 #include "file.hpp"
 #include "platform.hpp"
+#include "usage.hpp"
 #include "version.hpp"
 
 #include "gfx/pal_spec.hpp"
@@ -98,39 +99,23 @@ static option const longopts[] = {
     {nullptr,            no_argument,       nullptr, 0  }
 };
 
-// LCOV_EXCL_START
-static void printUsage() {
-	fputs(
-	    "Usage: rgbgfx [-r stride] [-ChmOuVXYZ] [-v [-v ...]] [-a <attr_map> | -A]\n"
-	    "       [-b <base_ids>] [-c <colors>] [-d <depth>] [-i <tileset_file>]\n"
-	    "       [-L <slice>] [-l <base_pal>] [-N <nb_tiles>] [-n <nb_pals>]\n"
-	    "       [-o <out_file>] [-p <pal_file> | -P] [-q <pal_map> | -Q]\n"
-	    "       [-s <nb_colors>] [-t <tile_map> | -T] [-x <nb_tiles>] <file>\n"
-	    "Useful options:\n"
-	    "    -m, --mirror-tiles    optimize out mirrored tiles\n"
-	    "    -o, --output <path>   output the tile data to this path\n"
-	    "    -t, --tilemap <path>  output the tile map to this path\n"
-	    "    -u, --unique-tiles    optimize out identical tiles\n"
-	    "    -V, --version         print RGBGFX version and exit\n"
-	    "\n"
-	    "For help, use `man rgbgfx' or go to https://rgbds.gbdev.io/docs/\n",
-	    stderr
-	);
-}
-// LCOV_EXCL_STOP
-
-[[gnu::format(printf, 1, 2), noreturn]]
-static void fatalWithUsage(char const *fmt, ...) {
-	va_list ap;
-	fputs("FATAL: ", stderr);
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	putc('\n', stderr);
-
-	printUsage();
-	exit(1);
-}
+// clang-format off: long string literal
+static Usage usage(
+    "Usage: rgbgfx [-r stride] [-ChmOuVXYZ] [-v [-v ...]] [-a <attr_map> | -A]\n"
+    "       [-b <base_ids>] [-c <colors>] [-d <depth>] [-i <tileset_file>]\n"
+    "       [-L <slice>] [-l <base_pal>] [-N <nb_tiles>] [-n <nb_pals>]\n"
+    "       [-o <out_file>] [-p <pal_file> | -P] [-q <pal_map> | -Q]\n"
+    "       [-s <nb_colors>] [-t <tile_map> | -T] [-x <nb_tiles>] <file>\n"
+    "Useful options:\n"
+    "    -m, --mirror-tiles    optimize out mirrored tiles\n"
+    "    -o, --output <path>   output the tile data to this path\n"
+    "    -t, --tilemap <path>  output the tile map to this path\n"
+    "    -u, --unique-tiles    optimize out identical tiles\n"
+    "    -V, --version         print RGBGFX version and exit\n"
+    "\n"
+    "For help, use `man rgbgfx' or go to https://rgbds.gbdev.io/docs/\n"
+);
+// clang-format on
 
 // Parses a number at the beginning of a string, moving the pointer to skip the parsed characters.
 // Returns the provided errVal on error.
@@ -209,13 +194,13 @@ static void skipWhitespace(char *&arg) {
 
 static void registerInput(char const *arg) {
 	if (!options.input.empty()) {
-		fatalWithUsage(
+		usage.printAndExit(
 		    "Input image specified more than once! (first \"%s\", then \"%s\")",
 		    options.input.c_str(),
 		    arg
 		);
 	} else if (arg[0] == '\0') { // Empty input path
-		fatalWithUsage("Input image path cannot be empty");
+		usage.printAndExit("Input image path cannot be empty");
 	} else {
 		options.input = arg;
 	}
@@ -379,10 +364,7 @@ static char *parseArgv(int argc, char *argv[]) {
 			}
 			break;
 		case 'h':
-			// LCOV_EXCL_START
-			printUsage();
-			exit(0);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(0); // LCOV_EXCL_LINE
 		case 'i':
 			if (!options.inputTileset.empty()) {
 				warnx("Overriding input tileset file %s", options.inputTileset.c_str());
@@ -591,10 +573,7 @@ static char *parseArgv(int argc, char *argv[]) {
 			}
 			break;
 		default:
-			// LCOV_EXCL_START
-			printUsage();
-			exit(1);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(1); // LCOV_EXCL_LINE
 		}
 	}
 
@@ -818,7 +797,7 @@ int main(int argc, char *argv[]) {
 		if (autoOptEnabled) {
 			std::string &image = localOptions.groupOutputs ? options.output : options.input;
 			if (image.empty()) {
-				fatalWithUsage(
+				usage.printAndExit(
 				    "No %s specified",
 				    localOptions.groupOutputs ? "output tile data file" : "input image"
 				);
@@ -875,7 +854,7 @@ int main(int argc, char *argv[]) {
 	           && !localOptions.reverse) {
 		processPalettes();
 	} else {
-		fatalWithUsage("No input image specified");
+		usage.printAndExit("No input image specified");
 	}
 
 	requireZeroErrors();
diff --git a/src/link/main.cpp b/src/link/main.cpp
index 52d52133..9070d187 100644
--- a/src/link/main.cpp
+++ b/src/link/main.cpp
@@ -15,6 +15,7 @@
 #include "itertools.hpp"
 #include "platform.hpp"
 #include "script.hpp" // Generated from script.y
+#include "usage.hpp"
 #include "version.hpp"
 
 #include "link/assign.hpp"
@@ -81,39 +82,23 @@ static option const longopts[] = {
     {nullptr,         no_argument,       nullptr, 0  }
 };
 
-// LCOV_EXCL_START
-static void printUsage() {
-	fputs(
-	    "Usage: rgblink [-dhMtVvwx] [-l script] [-m map_file] [-n sym_file]\n"
-	    "               [-O overlay_file] [-o out_file] [-p pad_value]\n"
-	    "               [-S spec] <file> ...\n"
-	    "Useful options:\n"
-	    "    -l, --linkerscript <path>  set the input linker script\n"
-	    "    -m, --map <path>           set the output map file\n"
-	    "    -n, --sym <path>           set the output symbol list file\n"
-	    "    -o, --output <path>        set the output file\n"
-	    "    -p, --pad <value>          set the value to pad between sections with\n"
-	    "    -x, --nopad                disable padding of output binary\n"
-	    "    -V, --version              print RGBLINK version and exits\n"
-	    "\n"
-	    "For help, use `man rgblink' or go to https://rgbds.gbdev.io/docs/\n",
-	    stderr
-	);
-}
-// LCOV_EXCL_STOP
-
-[[gnu::format(printf, 1, 2), noreturn]]
-static void fatalWithUsage(char const *fmt, ...) {
-	va_list ap;
-	fputs("FATAL: ", stderr);
-	va_start(ap, fmt);
-	vfprintf(stderr, fmt, ap);
-	va_end(ap);
-	putc('\n', stderr);
-
-	printUsage();
-	exit(1);
-}
+// clang-format off: long string literal
+static Usage usage(
+    "Usage: rgblink [-dhMtVvwx] [-l script] [-m map_file] [-n sym_file]\n"
+    "               [-O overlay_file] [-o out_file] [-p pad_value]\n"
+    "               [-S spec] <file> ...\n"
+    "Useful options:\n"
+    "    -l, --linkerscript <path>  set the input linker script\n"
+    "    -m, --map <path>           set the output map file\n"
+    "    -n, --sym <path>           set the output symbol list file\n"
+    "    -o, --output <path>        set the output file\n"
+    "    -p, --pad <value>          set the value to pad between sections with\n"
+    "    -x, --nopad                disable padding of output binary\n"
+    "    -V, --version              print RGBLINK version and exits\n"
+    "\n"
+    "For help, use `man rgblink' or go to https://rgbds.gbdev.io/docs/\n"
+);
+// clang-format on
 
 enum ScrambledRegion {
 	SCRAMBLE_ROMX,
@@ -268,10 +253,7 @@ int main(int argc, char *argv[]) {
 			options.isWRAM0Mode = true;
 			break;
 		case 'h':
-			// LCOV_EXCL_START
-			printUsage();
-			exit(0);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(0); // LCOV_EXCL_LINE
 		case 'l':
 			if (linkerScriptName) {
 				warnx("Overriding linker script %s", linkerScriptName);
@@ -345,10 +327,7 @@ int main(int argc, char *argv[]) {
 			options.is32kMode = true;
 			break;
 		default:
-			// LCOV_EXCL_START
-			printUsage();
-			exit(1);
-			// LCOV_EXCL_STOP
+			usage.printAndExit(1); // LCOV_EXCL_LINE
 		}
 	}
 
@@ -356,7 +335,7 @@ int main(int argc, char *argv[]) {
 
 	// If no input files were specified, the user must have screwed up
 	if (curArgIndex == argc) {
-		fatalWithUsage("Please specify an input file (pass `-` to read from standard input)");
+		usage.printAndExit("Please specify an input file (pass `-` to read from standard input)");
 	}
 
 	// Patch the size array depending on command-line options
diff --git a/src/usage.cpp b/src/usage.cpp
new file mode 100644
index 00000000..b0e068a3
--- /dev/null
+++ b/src/usage.cpp
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MIT
+
+#include "usage.hpp"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+void Usage::printAndExit(int code) const {
+	fputs(usage, stderr);
+	exit(code);
+}
+
+void Usage::printAndExit(char const *fmt, ...) const {
+	va_list args;
+	fputs("FATAL: ", stderr);
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	va_end(args);
+	putc('\n', stderr);
+
+	printAndExit(1);
+}