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Visionneur Fichier HAR
Ouvrez une capture réseau HAR et lisez les demandes par timing, taille et statut, avec waterfall et les entrées lentes mises en avant.
🔒 Cet outil fonctionne entièrement dans votre navigateur. Vos fichiers ne sont jamais envoyés sur un serveur.
Developer
HAR File Viewer
Frontend preview — no upload or external service.
Capture summary
148 requests, 4.2 MB transferred, 6.1 s to load event. Three requests over 800 ms, all to the same third-party host; two 404s on fonts.
How Visionneur Fichier HAR works
- Open Visionneur Fichier HAR and review the example state before entering your own values.
- Enter or select the information needed for Visionneur Fichier HAR.
- Review the result and adjust the inputs if you want to compare another case.
Open a HAR network capture and read requests by timing, size, and status, with the waterfall and the slow entries surfaced first. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Visionneur Fichier HAR used for?
Open a HAR network capture and read requests by timing, size, and status, with the waterfall and the slow entries surfaced first.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Visionneur Fichier HAR. Use the result as a planning aid and verify important decisions independently.