diff --git a/src/seed_tools/README.md b/src/seed_tools/README.md
index 27002629..340fd600 100644
--- a/src/seed_tools/README.md
+++ b/src/seed_tools/README.md
@@ -76,16 +76,16 @@ npm run seed_tools -- split_seed_json <seed_json_path> <output_dir>
 - `<output_dir>`: The directory where the individual study files will be
   outputted.
 
-### `validate_seed_pb`
+### `validate_seed`
 
 Validates a seed protobuf.
 
 ##### Syntax
 
 ```bash
-npm run seed_tools -- validate_seed_pb <seed_bin>
+npm run seed_tools -- validate_seed <seed_file>
 ```
 
 ##### Arguments
 
-- `<seed_bin>`: The path to the binary-serialized `seed` protobuf.
+- `<seed_file>`: The path to the binary-serialized `seed` protobuf.
diff --git a/src/seed_tools/commands/validate_seed_pb.test.ts b/src/seed_tools/commands/validate_seed.test.ts
similarity index 52%
rename from src/seed_tools/commands/validate_seed_pb.test.ts
rename to src/seed_tools/commands/validate_seed.test.ts
index 46d2b0d8..1514119d 100644
--- a/src/seed_tools/commands/validate_seed_pb.test.ts
+++ b/src/seed_tools/commands/validate_seed.test.ts
@@ -6,11 +6,23 @@
 import * as fs_sync from 'fs';
 import * as path from 'path';
 import { wsPath } from '../../base/path_utils';
-import validate_seed_pb from './validate_seed_pb';
+import validate_seed from './validate_seed';
 
-describe('validate_seed_pb command', () => {
+describe('validate_seed command', () => {
   const testDataDir = wsPath('//src/test/data');
 
+  let errorMock: jest.SpyInstance;
+  let exitMock: jest.SpyInstance;
+
+  beforeEach(async () => {
+    errorMock = jest.spyOn(console, 'error').mockImplementation();
+    exitMock = jest.spyOn(process, 'exit').mockImplementation();
+  });
+
+  afterEach(async () => {
+    jest.restoreAllMocks();
+  });
+
   describe('valid seeds', () => {
     const validSeedsDir = path.join(testDataDir, 'valid_seeds');
     it.each(fs_sync.readdirSync(validSeedsDir))(
@@ -19,11 +31,10 @@ describe('validate_seed_pb command', () => {
         const testCaseDir = path.join(validSeedsDir, testCase);
         const seedBin = path.join(testCaseDir, 'expected_seed.bin');
 
-        await validate_seed_pb.parseAsync([
-          'node',
-          'validate_seed_pb',
-          seedBin,
-        ]);
+        await validate_seed.parseAsync(['node', 'validate_seed', seedBin]);
+
+        expect(errorMock).toHaveBeenCalledTimes(0);
+        expect(exitMock).toHaveBeenCalledWith(0);
       },
     );
   });
@@ -31,8 +42,14 @@ describe('validate_seed_pb command', () => {
   test('invalid seed', async () => {
     const seedBin = path.join(testDataDir, 'invalid_seed.bin');
     expect(fs_sync.existsSync(seedBin)).toBe(true);
-    await expect(
-      validate_seed_pb.parseAsync(['node', 'validate_seed_pb', seedBin]),
-    ).rejects.toThrow('premature EOF');
+
+    await validate_seed.parseAsync(['node', 'validate_seed', seedBin]);
+
+    expect(errorMock).toHaveBeenCalledWith(
+      expect.stringContaining(
+        'Total probability is not 100 for study AllowCertainClientHintsStudy',
+      ),
+    );
+    expect(exitMock).toHaveBeenCalledWith(1);
   });
 });
diff --git a/src/seed_tools/commands/validate_seed_pb.ts b/src/seed_tools/commands/validate_seed.ts
similarity index 76%
rename from src/seed_tools/commands/validate_seed_pb.ts
rename to src/seed_tools/commands/validate_seed.ts
index cbbd9a21..f8d28de8 100644
--- a/src/seed_tools/commands/validate_seed_pb.ts
+++ b/src/seed_tools/commands/validate_seed.ts
@@ -9,14 +9,14 @@ import { VariationsSeed } from '../../proto/generated/variations_seed';
 import * as seed_validation from '../utils/seed_validation';
 import * as study_validation from '../utils/study_validation';
 
-export default new Command('validate_seed_pb')
+export default new Command('validate_seed')
   .description('Validates seed.bin')
-  .argument('<seed_bin>', 'path to a seed protobuf')
+  .argument('<seed_file>', 'path to a seed protobuf')
   .action(main);
 
-async function main(seedBin: string) {
+async function main(seedFilePath: string) {
   const variationsSeed = VariationsSeed.fromBinary(
-    await fs.readFile(seedBin, { encoding: null }),
+    await fs.readFile(seedFilePath, { encoding: null }),
   );
   const errors = [];
   for (const study of variationsSeed.study) {
@@ -37,11 +37,8 @@ async function main(seedBin: string) {
 
   console.log('Seed studies count:', variationsSeed.study.length);
   if (errors.length > 0) {
-    console.log('Seed validation errors:');
-    for (const error of errors) {
-      console.log(error);
-    }
+    console.error(`Seed validation errors:\n${errors.join('\n---\n')}`);
   }
 
-  process.exitCode = errors.length > 0 ? 1 : 0;
+  process.exit(errors.length > 0 ? 1 : 0);
 }
diff --git a/src/seed_tools/seed_tools.ts b/src/seed_tools/seed_tools.ts
index 937a74bd..3a43331e 100644
--- a/src/seed_tools/seed_tools.ts
+++ b/src/seed_tools/seed_tools.ts
@@ -9,7 +9,7 @@ import check_study from './commands/check_study';
 import compare_seeds from './commands/compare_seeds';
 import create_seed from './commands/create_seed';
 import split_seed_json from './commands/split_seed_json';
-import validate_seed_pb from './commands/validate_seed_pb';
+import validate_seed from './commands/validate_seed';
 
 program
   .name('seed_tools')
@@ -18,5 +18,5 @@ program
   .addCommand(compare_seeds)
   .addCommand(create_seed)
   .addCommand(split_seed_json)
-  .addCommand(validate_seed_pb)
+  .addCommand(validate_seed)
   .parse();
diff --git a/src/test/data/invalid_seed.bin b/src/test/data/invalid_seed.bin
index f2ba8f84..988b4dd5 100644
Binary files a/src/test/data/invalid_seed.bin and b/src/test/data/invalid_seed.bin differ