diff --git a/.github/workflows/tests_primary.yml b/.github/workflows/tests_primary.yml
index 86365a6345..b117bb2267 100644
--- a/.github/workflows/tests_primary.yml
+++ b/.github/workflows/tests_primary.yml
@@ -55,7 +55,7 @@ jobs:
     - run: npx playwright install --with-deps ${{ matrix.browser }} chromium
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test -- --project=${{ matrix.browser }}
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-${{ matrix.os }}-node${{ matrix.node-version }}"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-${{ matrix.os }}-node${{ matrix.node-version }}"
     - run: node tests/config/checkCoverage.js ${{ matrix.browser }}
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
@@ -87,7 +87,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test -- --project=chromium
       env:
         PWTEST_CHANNEL: chromium-tip-of-tree
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.os }}-chromium-tip-of-tree"
+        PWTEST_BOT_NAME: "${{ matrix.os }}-chromium-tip-of-tree"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -131,11 +131,11 @@ jobs:
     - run: npx playwright install --with-deps
     - run: npm run ttest -- --shard ${{ matrix.shard }}
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.os }}-node${{ matrix.node-version }}"
+        PWTEST_BOT_NAME: "${{ matrix.os }}-node${{ matrix.node-version }}"
       if: matrix.os != 'ubuntu-latest'
     - run: xvfb-run npm run ttest --  --shard ${{ matrix.shard }}
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.os }}-node${{ matrix.node-version }}"
+        PWTEST_BOT_NAME: "${{ matrix.os }}-node${{ matrix.node-version }}"
       if: matrix.os == 'ubuntu-latest'
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
@@ -162,7 +162,7 @@ jobs:
     - run: npx playwright install --with-deps
     - run: npm run test-html-reporter
       env:
-        PWTEST_BLOB_REPORT_NAME: "web-components-html-reporter"
+        PWTEST_BOT_NAME: "web-components-html-reporter"
     - name: Upload blob report
       if: always()
       uses: ./.github/actions/upload-blob-report
@@ -172,7 +172,7 @@ jobs:
     - run: npm run test-web
       if: always()
       env:
-        PWTEST_BLOB_REPORT_NAME: "web-components-web"
+        PWTEST_BOT_NAME: "web-components-web"
     - name: Upload blob report
       if: always()
       uses: ./.github/actions/upload-blob-report
@@ -206,7 +206,7 @@ jobs:
     - name: Run extension tests
       run: npm run test -- --workers=1
       env:
-        PWTEST_BLOB_REPORT_NAME: "vscode-extension"
+        PWTEST_BOT_NAME: "vscode-extension"
       working-directory: ./playwright-vscode
     - name: Upload blob report
       if: always()
@@ -240,11 +240,11 @@ jobs:
     - run: npm run itest
       if: matrix.os != 'ubuntu-latest'
       env:
-        PWTEST_BLOB_REPORT_NAME: "package-installations-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "package-installations-${{ matrix.os }}"
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run itest
       if: matrix.os == 'ubuntu-latest'
       env:
-        PWTEST_BLOB_REPORT_NAME: "package-installations-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "package-installations-${{ matrix.os }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
diff --git a/.github/workflows/tests_secondary.yml b/.github/workflows/tests_secondary.yml
index 61429074c2..2a49d46a3b 100644
--- a/.github/workflows/tests_secondary.yml
+++ b/.github/workflows/tests_secondary.yml
@@ -42,7 +42,7 @@ jobs:
     - run: npx playwright install --with-deps ${{ matrix.browser }} chromium
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test -- --project=${{ matrix.browser }}
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-${{ matrix.os }}"
     - run: node tests/config/checkCoverage.js ${{ matrix.browser }}
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
@@ -74,7 +74,7 @@ jobs:
     - run: npx playwright install --with-deps ${{ matrix.browser }} chromium
     - run: npm run test -- --project=${{ matrix.browser }}
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-${{ matrix.os }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -106,12 +106,12 @@ jobs:
       if: matrix.browser == 'firefox'
       shell: bash
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-windows-latest"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-windows-latest"
     - run: npm run test -- --project=${{ matrix.browser }}
       if: matrix.browser != 'firefox'
       shell: bash
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-windows-latest"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-windows-latest"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -175,11 +175,11 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test -- --project=${{ matrix.browser }} --headed
       if: always() && startsWith(matrix.os, 'ubuntu-')
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-headed-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-headed-${{ matrix.os }}"
     - run: npm run test -- --project=${{ matrix.browser }} --headed
       if: always() && !startsWith(matrix.os, 'ubuntu-')
       env:
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-headed-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-headed-${{ matrix.os }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -210,7 +210,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_MODE: ${{ matrix.mode }}
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.mode }}"
+        PWTEST_BOT_NAME: "${{ matrix.mode }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -247,7 +247,7 @@ jobs:
       env:
         PWTEST_TRACE: 1
         PWTEST_CHANNEL: ${{ matrix.channel }}
-        PWTEST_BLOB_REPORT_NAME: "tracing-${{ matrix.channel || matrix.browser }}"
+        PWTEST_BOT_NAME: "tracing-${{ matrix.channel || matrix.browser }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -273,7 +273,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_CHANNEL: chrome
-        PWTEST_BLOB_REPORT_NAME: "chrome-stable-linux"
+        PWTEST_BOT_NAME: "chrome-stable-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -300,7 +300,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: chrome
-        PWTEST_BLOB_REPORT_NAME: "chrome-stable-windows"
+        PWTEST_BOT_NAME: "chrome-stable-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -326,7 +326,7 @@ jobs:
     - run: npm run ctest
       env:
         PWTEST_CHANNEL: chrome
-        PWTEST_BLOB_REPORT_NAME: "chrome-stable-mac"
+        PWTEST_BOT_NAME: "chrome-stable-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -357,12 +357,12 @@ jobs:
       if: matrix.os == 'ubuntu-20.04'
       env:
         PWTEST_CHANNEL: chromium-tip-of-tree
-        PWTEST_BLOB_REPORT_NAME: "tip-of-tree-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "tip-of-tree-${{ matrix.os }}"
     - run: npm run ctest
       if: matrix.os != 'ubuntu-20.04'
       env:
         PWTEST_CHANNEL: chromium-tip-of-tree
-        PWTEST_BLOB_REPORT_NAME: "tip-of-tree-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "tip-of-tree-${{ matrix.os }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -393,12 +393,12 @@ jobs:
       if: matrix.os == 'ubuntu-latest'
       env:
         PWTEST_CHANNEL: chromium-tip-of-tree
-        PWTEST_BLOB_REPORT_NAME: "tip-of-tree-headed-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "tip-of-tree-headed-${{ matrix.os }}"
     - run: npm run ctest -- --headed
       if: matrix.os != 'ubuntu-latest'
       env:
         PWTEST_CHANNEL: chromium-tip-of-tree
-        PWTEST_BLOB_REPORT_NAME: "tip-of-tree-headed-${{ matrix.os }}"
+        PWTEST_BOT_NAME: "tip-of-tree-headed-${{ matrix.os }}"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -424,7 +424,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ftest
       env:
         PWTEST_CHANNEL: firefox-beta
-        PWTEST_BLOB_REPORT_NAME: "firefox-beta-linux"
+        PWTEST_BOT_NAME: "firefox-beta-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -451,7 +451,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: firefox-beta
-        PWTEST_BLOB_REPORT_NAME: "firefox-beta-windows"
+        PWTEST_BOT_NAME: "firefox-beta-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -477,7 +477,7 @@ jobs:
     - run: npm run ftest
       env:
         PWTEST_CHANNEL: firefox-beta
-        PWTEST_BLOB_REPORT_NAME: "firefox-beta-mac"
+        PWTEST_BOT_NAME: "firefox-beta-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -503,7 +503,7 @@ jobs:
     - run: npm run ctest
       env:
         PWTEST_CHANNEL: msedge
-        PWTEST_BLOB_REPORT_NAME: "edge-stable-mac"
+        PWTEST_BOT_NAME: "edge-stable-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -530,7 +530,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: msedge
-        PWTEST_BLOB_REPORT_NAME: "edge-stable-windows"
+        PWTEST_BOT_NAME: "edge-stable-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -556,7 +556,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_CHANNEL: msedge
-        PWTEST_BLOB_REPORT_NAME: "edge-stable-linux"
+        PWTEST_BOT_NAME: "edge-stable-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -582,7 +582,7 @@ jobs:
     - run: npm run ctest
       env:
         PWTEST_CHANNEL: msedge-beta
-        PWTEST_BLOB_REPORT_NAME: "edge-beta-mac"
+        PWTEST_BOT_NAME: "edge-beta-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -609,7 +609,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: msedge-beta
-        PWTEST_BLOB_REPORT_NAME: "edge-beta-windows"
+        PWTEST_BOT_NAME: "edge-beta-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -635,7 +635,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_CHANNEL: msedge-beta
-        PWTEST_BLOB_REPORT_NAME: "edge-beta-linux"
+        PWTEST_BOT_NAME: "edge-beta-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -661,7 +661,7 @@ jobs:
     - run: npm run ctest
       env:
         PWTEST_CHANNEL: msedge-dev
-        PWTEST_BLOB_REPORT_NAME: "edge-dev-mac"
+        PWTEST_BOT_NAME: "edge-dev-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -688,7 +688,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: msedge-dev
-        PWTEST_BLOB_REPORT_NAME: "edge-dev-windows"
+        PWTEST_BOT_NAME: "edge-dev-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -714,7 +714,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_CHANNEL: msedge-dev
-        PWTEST_BLOB_REPORT_NAME: "edge-dev-linux"
+        PWTEST_BOT_NAME: "edge-dev-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -740,7 +740,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run ctest
       env:
         PWTEST_CHANNEL: chrome-beta
-        PWTEST_BLOB_REPORT_NAME: "chrome-beta-linux"
+        PWTEST_BOT_NAME: "chrome-beta-linux"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -767,7 +767,7 @@ jobs:
       shell: bash
       env:
         PWTEST_CHANNEL: chrome-beta
-        PWTEST_BLOB_REPORT_NAME: "chrome-beta-windows"
+        PWTEST_BOT_NAME: "chrome-beta-windows"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -793,7 +793,7 @@ jobs:
     - run: npm run ctest
       env:
         PWTEST_CHANNEL: chrome-beta
-        PWTEST_BLOB_REPORT_NAME: "chrome-beta-mac"
+        PWTEST_BOT_NAME: "chrome-beta-mac"
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
       shell: bash
@@ -833,7 +833,7 @@ jobs:
     - run: xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test -- --project=chromium
       env:
         PLAYWRIGHT_CHROMIUM_USE_HEADLESS_NEW: 1
-        PWTEST_BLOB_REPORT_NAME: "headless-new"
+        PWTEST_BOT_NAME: "headless-new"
     - run: node tests/config/checkCoverage.js chromium
     - run: ./utils/upload_flakiness_dashboard.sh ./test-results/report.json
       if: always()
diff --git a/.github/workflows/tests_service.yml b/.github/workflows/tests_service.yml
index 6450c4c3a1..d9b13ca13c 100644
--- a/.github/workflows/tests_service.yml
+++ b/.github/workflows/tests_service.yml
@@ -27,7 +27,7 @@ jobs:
       env:
         PWTEST_MODE: service2
         PWTEST_TRACE: 1
-        PWTEST_BLOB_REPORT_NAME: "${{ matrix.browser }}-${{ matrix.service-os }}-service"
+        PWTEST_BOT_NAME: "${{ matrix.browser }}-${{ matrix.service-os }}-service"
         PLAYWRIGHT_SERVICE_ACCESS_KEY: ${{ secrets.PLAYWRIGHT_SERVICE_ACCESS_KEY }}
         PLAYWRIGHT_SERVICE_URL: ${{ secrets.PLAYWRIGHT_SERVICE_URL }}
         PLAYWRIGHT_SERVICE_OS: ${{ matrix.service-os }}
diff --git a/docs/src/test-reporters-js.md b/docs/src/test-reporters-js.md
index f7cc0e3aee..ed4424f3e1 100644
--- a/docs/src/test-reporters-js.md
+++ b/docs/src/test-reporters-js.md
@@ -215,13 +215,13 @@ Blob reports contain all the details about the test run and can be used later to
 npx playwright test --reporter=blob
 ```
 
-By default, the report is written into the `blob-report` directory in the package.json directory or current working directory (if no package.json is found). The output directory can be overridden in the configuration file:
+By default, the report is written into the `blob-report` directory in the package.json directory or current working directory (if no package.json is found). The report file name is `report.zip` or `report-<shard_number>.zip` when [sharding](./test-sharding.md) is used. Both output directory and report file name can be overridden in the configuration file:
 
 ```js title="playwright.config.ts"
 import { defineConfig } from '@playwright/test';
 
 export default defineConfig({
-  reporter: [['blob', { outputDir: 'my-report' }]],
+  reporter: [['blob', { outputDir: 'my-report', fileName: `report-${os.platform()}.zip` }]],
 });
 ```
 
diff --git a/packages/playwright/src/reporters/blob.ts b/packages/playwright/src/reporters/blob.ts
index 4cf401e698..f15fe6f87d 100644
--- a/packages/playwright/src/reporters/blob.ts
+++ b/packages/playwright/src/reporters/blob.ts
@@ -16,7 +16,7 @@
 
 import fs from 'fs';
 import path from 'path';
-import { ManualPromise, calculateSha1, createGuid, getUserAgent, removeFolders, sanitizeForFilePath } from 'playwright-core/lib/utils';
+import { ManualPromise, calculateSha1, createGuid, getUserAgent, removeFolders } from 'playwright-core/lib/utils';
 import { mime } from 'playwright-core/lib/utilsBundle';
 import { Readable } from 'stream';
 import type { EventEmitter } from 'events';
@@ -29,6 +29,7 @@ import { resolveReporterOutputPath } from '../util';
 type BlobReporterOptions = {
   configDir: string;
   outputDir?: string;
+  fileName?: string;
 };
 
 export const currentBlobReportVersion = 1;
@@ -51,6 +52,8 @@ export class BlobReporter extends TeleReporterEmitter {
   constructor(options: BlobReporterOptions) {
     super(message => this._messages.push(message), false);
     this._options = options;
+    if (this._options.fileName && !this._options.fileName.endsWith('.zip'))
+      throw new Error(`Blob report file name must end with .zip extension: ${this._options.fileName}`);
     this._salt = createGuid();
   }
 
@@ -58,7 +61,7 @@ export class BlobReporter extends TeleReporterEmitter {
     const metadata: BlobReportMetadata = {
       version: currentBlobReportVersion,
       userAgent: getUserAgent(),
-      name: config.botName || process.env.PWTEST_BLOB_REPORT_NAME,
+      name: config.botName,
       shard: config.shard ?? undefined,
       pathSeparator: path.sep,
     };
@@ -82,11 +85,11 @@ export class BlobReporter extends TeleReporterEmitter {
     const zipFile = new yazl.ZipFile();
     const zipFinishPromise = new ManualPromise<undefined>();
     const finishPromise = zipFinishPromise.catch(e => {
-      throw new Error(`Failed to write report ${this._reportName + '.zip'}: ` + e.message);
+      throw new Error(`Failed to write report ${this._reportName}: ` + e.message);
     });
 
     (zipFile as any as EventEmitter).on('error', error => zipFinishPromise.reject(error));
-    const zipFileName = path.join(outputDir, this._reportName + '.zip');
+    const zipFileName = path.join(outputDir, this._reportName);
     zipFile.outputStream.pipe(fs.createWriteStream(zipFileName)).on('close', () => {
       zipFinishPromise.resolve(undefined);
     }).on('error', error => zipFinishPromise.reject(error));
@@ -99,19 +102,17 @@ export class BlobReporter extends TeleReporterEmitter {
 
     const lines = this._messages.map(m => JSON.stringify(m) + '\n');
     const content = Readable.from(lines);
-    zipFile.addReadStream(content, this._reportName + '.jsonl');
+    zipFile.addReadStream(content, 'report.jsonl');
     zipFile.end();
 
     await finishPromise;
   }
 
   private _computeReportName(config: FullConfig) {
-    let reportName = 'report';
-    if (process.env.PWTEST_BLOB_REPORT_NAME)
-      reportName += `-${sanitizeForFilePath(process.env.PWTEST_BLOB_REPORT_NAME)}`;
+    let reportName = this._options.fileName ?? 'report.zip';
     if (config.shard) {
       const paddedNumber = `${config.shard.current}`.padStart(`${config.shard.total}`.length, '0');
-      reportName += `-${paddedNumber}`;
+      reportName = `${reportName.slice(0, -4)}-${paddedNumber}.zip`;
     }
     return reportName;
   }
diff --git a/packages/playwright/src/reporters/merge.ts b/packages/playwright/src/reporters/merge.ts
index 442e55f26d..f206c592e8 100644
--- a/packages/playwright/src/reporters/merge.ts
+++ b/packages/playwright/src/reporters/merge.ts
@@ -321,7 +321,7 @@ function mergeEndEvents(endEvents: JsonEvent[]): JsonEvent {
 
 async function sortedShardFiles(dir: string) {
   const files = await fs.promises.readdir(dir);
-  return files.filter(file => file.startsWith('report') && file.endsWith('.zip')).sort();
+  return files.filter(file => file.endsWith('.zip')).sort();
 }
 
 function printStatusToStdout(message: string) {
diff --git a/packages/playwright/types/test.d.ts b/packages/playwright/types/test.d.ts
index eae28c116b..72d542f2b2 100644
--- a/packages/playwright/types/test.d.ts
+++ b/packages/playwright/types/test.d.ts
@@ -19,7 +19,7 @@ import type { APIRequestContext, Browser, BrowserContext, BrowserContextOptions,
 export * from 'playwright-core';
 
 export type ReporterDescription =
-  ['blob'] | ['blob', { outputDir?: string }] |
+  ['blob'] | ['blob', { outputDir?: string, fileName?: string }] |
   ['dot'] |
   ['line'] |
   ['list'] | ['list', { printSteps?: boolean }] |
diff --git a/tests/installation/playwright.config.ts b/tests/installation/playwright.config.ts
index fc3dda9023..d2de1754fb 100644
--- a/tests/installation/playwright.config.ts
+++ b/tests/installation/playwright.config.ts
@@ -24,7 +24,7 @@ const reporters = () => {
   const result: ReporterDescription[] = process.env.CI ? [
     ['dot'],
     ['json', { outputFile: path.join(outputDir, 'report.json') }],
-    ['blob'],
+    ['blob', { fileName: `${process.env.PWTEST_BOT_NAME}.zip` }],
   ] : [
     ['list'],
     ['html', { open: 'on-failure' }]
@@ -34,6 +34,7 @@ const reporters = () => {
 
 const outputDir = path.join(__dirname, '..', '..', 'test-results');
 export default defineConfig({
+  botName: process.env.PWTEST_BOT_NAME,
   globalSetup: path.join(__dirname, 'globalSetup'),
   outputDir,
   testIgnore: '**\/fixture-scripts/**',
diff --git a/tests/library/playwright.config.ts b/tests/library/playwright.config.ts
index fcaac7f726..c9530d156b 100644
--- a/tests/library/playwright.config.ts
+++ b/tests/library/playwright.config.ts
@@ -46,7 +46,7 @@ const reporters = () => {
   const result: ReporterDescription[] = process.env.CI ? [
     ['dot'],
     ['json', { outputFile: path.join(outputDir, 'report.json') }],
-    ['blob'],
+    ['blob', { fileName: `${process.env.PWTEST_BOT_NAME}.zip` }],
   ] : [
     ['html', { open: 'on-failure' }]
   ];
@@ -80,6 +80,7 @@ if (mode === 'service2') {
 }
 
 const config: Config<CoverageWorkerOptions & PlaywrightWorkerOptions & PlaywrightTestOptions & TestModeWorkerOptions> = {
+  botName: process.env.PWTEST_BOT_NAME,
   testDir,
   outputDir,
   expect: {
diff --git a/tests/playwright-test/playwright-test-fixtures.ts b/tests/playwright-test/playwright-test-fixtures.ts
index b5bc38c631..76ca67537b 100644
--- a/tests/playwright-test/playwright-test-fixtures.ts
+++ b/tests/playwright-test/playwright-test-fixtures.ts
@@ -217,7 +217,6 @@ export function cleanEnv(env: NodeJS.ProcessEnv): NodeJS.ProcessEnv {
     PW_TEST_REPORTER_WS_ENDPOINT: undefined,
     PW_TEST_SOURCE_TRANSFORM: undefined,
     PW_TEST_SOURCE_TRANSFORM_SCOPE: undefined,
-    PWTEST_BLOB_REPORT_NAME: undefined,
     TEST_WORKER_INDEX: undefined,
     TEST_PARALLEL_INDEX: undefined,
     NODE_OPTIONS: undefined,
diff --git a/tests/playwright-test/reporter-blob.spec.ts b/tests/playwright-test/reporter-blob.spec.ts
index c58bcd669d..71db0f2194 100644
--- a/tests/playwright-test/reporter-blob.spec.ts
+++ b/tests/playwright-test/reporter-blob.spec.ts
@@ -1173,23 +1173,11 @@ test('preserve steps in html report', async ({ runInlineTest, mergeReports, show
   await expect(page.getByText('expect.toBe')).toBeVisible();
 });
 
-test('same project different suffixes', async ({ runInlineTest, mergeReports }) => {
-  const files = {
-    'echo-reporter.js': `
-      import fs from 'fs';
-
-      class EchoReporter {
-        onBegin(config, suite) {
-          const projects = suite.suites.map(s => s.project()).sort((a, b) => a.metadata.reportName.localeCompare(b.metadata.reportName));
-          console.log('projectNames: ' + projects.map(p => p.name));
-          console.log('reportNames: ' + projects.map(p => p.metadata.reportName));
-        }
-      }
-      module.exports = EchoReporter;
-    `,
+test('support fileName option', async ({ runInlineTest, mergeReports }) => {
+  const files = (fileSuffix: string) => ({
     'playwright.config.ts': `
       module.exports = {
-        reporter: 'blob',
+        reporter: [['blob', { fileName: 'report-${fileSuffix}.zip' }]],
         projects: [
           { name: 'foo' },
         ]
@@ -1199,16 +1187,14 @@ test('same project different suffixes', async ({ runInlineTest, mergeReports })
       import { test, expect } from '@playwright/test';
       test('math 1 @smoke', async ({}) => {});
     `,
-  };
+  });
 
-  await runInlineTest(files, undefined, { PWTEST_BLOB_REPORT_NAME: 'first' });
-  await runInlineTest(files, undefined, { PWTEST_BLOB_REPORT_NAME: 'second', PWTEST_BLOB_DO_NOT_REMOVE: '1' });
+  await runInlineTest(files('one'));
+  await runInlineTest(files('two'), undefined, { PWTEST_BLOB_DO_NOT_REMOVE: '1' });
 
   const reportDir = test.info().outputPath('blob-report');
-  const { exitCode, output } = await mergeReports(reportDir, {}, { additionalArgs: ['--reporter', test.info().outputPath('echo-reporter.js')] });
-  expect(exitCode).toBe(0);
-  expect(output).toContain(`projectNames: foo,foo`);
-  expect(output).toContain(`reportNames: first,second`);
+  const reportFiles = await fs.promises.readdir(reportDir);
+  expect(reportFiles.sort()).toEqual(['report-one.zip', 'report-two.zip']);
 });
 
 test('preserve botName on projects', async ({ runInlineTest, mergeReports }) => {
@@ -1218,7 +1204,7 @@ test('preserve botName on projects', async ({ runInlineTest, mergeReports }) =>
 
       class EchoReporter {
         onBegin(config, suite) {
-          const projects = suite.suites.map(s => s.project()).sort((a, b) => a.metadata.reportName.localeCompare(b.metadata.reportName));
+          const projects = suite.suites.map(s => s.project()).sort((a, b) => a.botName.localeCompare(b.botName));
           console.log('projectNames: ' + projects.map(p => p.name));
           console.log('botNames: ' + projects.map(p => p.botName));
         }
@@ -1227,7 +1213,7 @@ test('preserve botName on projects', async ({ runInlineTest, mergeReports }) =>
     `,
     'playwright.config.ts': `
       module.exports = {
-        reporter: 'blob',
+        reporter: [['blob', { fileName: '${botName}.zip' }]],
         botName: '${botName}',
         projects: [
           { name: 'foo' },
@@ -1240,8 +1226,8 @@ test('preserve botName on projects', async ({ runInlineTest, mergeReports }) =>
     `,
   });
 
-  await runInlineTest(files('first'), undefined, { PWTEST_BLOB_REPORT_NAME: 'first' });
-  await runInlineTest(files('second'), undefined, { PWTEST_BLOB_REPORT_NAME: 'second', PWTEST_BLOB_DO_NOT_REMOVE: '1' });
+  await runInlineTest(files('first'));
+  await runInlineTest(files('second'), undefined, { PWTEST_BLOB_DO_NOT_REMOVE: '1' });
 
   const reportDir = test.info().outputPath('blob-report');
   const { exitCode, output } = await mergeReports(reportDir, {}, { additionalArgs: ['--reporter', test.info().outputPath('echo-reporter.js')] });
@@ -1306,7 +1292,7 @@ test('blob report should include version', async ({ runInlineTest }) => {
 
 async function extractReport(reportZipFile: string, unzippedReportDir: string): Promise<any[]> {
   await extractZip(reportZipFile, { dir: unzippedReportDir });
-  const reportFile = path.join(unzippedReportDir, path.basename(reportZipFile).replace(/\.zip$/, '.jsonl'));
+  const reportFile = path.join(unzippedReportDir, 'report.jsonl');
   const data = await fs.promises.readFile(reportFile, 'utf8');
   const events = data.split('\n').filter(Boolean).map(line => JSON.parse(line));
   return events;
diff --git a/utils/generate_types/overrides-test.d.ts b/utils/generate_types/overrides-test.d.ts
index 7b5e8e8e12..382d4dacbe 100644
--- a/utils/generate_types/overrides-test.d.ts
+++ b/utils/generate_types/overrides-test.d.ts
@@ -18,7 +18,7 @@ import type { APIRequestContext, Browser, BrowserContext, BrowserContextOptions,
 export * from 'playwright-core';
 
 export type ReporterDescription =
-  ['blob'] | ['blob', { outputDir?: string }] |
+  ['blob'] | ['blob', { outputDir?: string, fileName?: string }] |
   ['dot'] |
   ['line'] |
   ['list'] | ['list', { printSteps?: boolean }] |