📂 Upload HAR File
📁
Drop HAR file here, or click to select
Supports .har / .json formats
Drop HAR file here, or click to select
Supports .har / .json formats
HAR（HTTP Archive）fileVieweris Free OnlineTools， open FastparseandAnalyzeBrowsetoolExport HARfile。dragUploadafteri.e.canviewAllHTTPrequest detailinfo，includingrequestURL、Method、Status、responseTime、request/Response Headers、requestbodySizeetc。AllprocessinBrowsetoolLocalcomplete，HARfilenotwillUploadtoAnyserver。
- Request List：table showAllHTTPrequest，supports URL、Method、Statusfilter
- Timeline： graph showeach requests Time，Fastsetbitslowrequest
- Statusseparate ： graph show2xx/3xx/4xx/5xx thanexample， item then
- Domain Stats： graph show domain requestCountandTotal Traffic
- Size Ranking：TOP20mostbigresponsebodysort ，optimizeloadPerformance
1. inChromein F12openopen Tools，switchtoNetworklabel
2. RefreshpagesideorExecuteoperation，etc requestloadcomplete
3. rightkeyRequest List → "Save all as HAR with content"ExportHARfile
4. willHARfiledragtolocalTools Upload
5. autodynamicparseafteri.e.canviewRequest Listand dimensionstatisticalgraphtable
frontendopen usingHARViewerAnalyzepagesideloadwhen Allrequest，setbitTimemostlong interfaceor source， forpropertyoptimize。
backendopen throughHARfileCheckAPIrequest completeinfo：Request Headers、requestbody、responseStatus、responsecontent，Fastsetbitinterfacequestion。
Security engineers review HAR files for sensitive information leaks, checking for plaintext tokens, passwords, and other sensitive data.
Yes, HAR files may contain sensitive data such as cookies, tokens, and passwords. Do not share HAR files with untrusted third parties. All processing is done locally in your browser — data is never uploaded.
Free OnlineHARfileViewer，parseHTTP Archivefile，canvisualizationnetworkrequestTimeline、Statusseparate 、Domain Stats。supportsdragUpload，Pure FrontendLocalprocess，DatanotUploadserver。. Try now!
No. HAR files are standard JSON format. If encrypted or compressed, they must be decrypted first.