HAR Sample Files
Verified downloads with technical metadata and integrity checks.
Format Overview
HAR (.har) files capture browser network activity as structured request and response records. Use sample HAR files to test waterfall analysis, request replay tooling, timing inspection, and browser-network debugging workflows.
Top Workflows for HAR
- Browser waterfall analysis and third-party request debugging.
- Captured-session replay for APIs and webhooks.
- Timing and request/response inspection across front-end workflows.
Common Mistakes
- Treating HAR as just JSON and ignoring timing or request-body fields.
- Testing only server logs and missing browser-side capture details.
- Skipping captured error sessions when validating replay tooling.
Validation Methodology
- Validate extension and MIME detection before processing.
- Benchmark performance with small and larger files.
- Test malformed-input handling and error messaging.
Recommended Download Sizes
Featured Real-World Fixtures
Checkout API HAR
Captured HAR session for API replay and timing analysis.
har_checkout_api_trace_sample.har · 1.8 KB
Webhook Retry HAR
HAR fixture for webhook retry debugging and error-path inspection.
har_webhook_retry_session_sample.har · 1.8 KB
Browser Waterfall HAR
Page-load HAR fixture for asset waterfall and third-party request analysis.
har_browser_asset_waterfall_sample.har · 2.9 KB
Workflow Packs
API Replay Fixture Pack
Bundle of HAR, HTTP, cURL, and NDJSON fixtures for request replay workflows.
api_replay_fixture_pack.zip · 3.3 KB
Browser Network Capture Pack
Bundle of HAR, logs, traces, and NDJSON fixtures for network debugging.
browser_network_capture_fixture_pack.zip · 2.3 KB
Fixture Matrix
Use the curated HAR matrix to choose the right clean, edge-case, and broken fixtures for this format.
Download Files
| Filename | Size | MIME | SHA256 | Download |
|---|---|---|---|---|
|
har_browser_asset_waterfall_sample.har
.har
|
2.9 KB | application/octet-stream |
41c5f1050f13ae51b4ae7037690924c51a668551c8fd7fc8d6497ce91f39c504 |
Download |
|
har_checkout_api_trace_sample.har
.har
|
1.8 KB | application/octet-stream |
0f5b094fc9672b6f753d6884dbf305fdebe9daa9740e8d8b2c21148e412683d1 |
Download |
|
har_webhook_retry_session_sample.har
.har
|
1.8 KB | application/octet-stream |
f09ee4781a1b1de989bba7c19b6a0af9228be22bf6dc6d08eaeeea474d793020 |
Download |
Checksum Verification
Use checksums to confirm file integrity after download.
shasum -a 256 your_file_name_here
# Compare output with SHA256 values listed above.