How do I export a HAR file from my browser?

Open DevTools (F12) and go to the Network tab, then reload the page so the requests are recorded. In Chrome and Edge, click the download arrow ("Export HAR") or right-click a request and choose "Save all as HAR with content". In Firefox, right-click a request and choose "Save All As HAR". In Safari, use the Export button in the Network tab.

What does the report show?

The number of requests, total transferred size and request time, and the number of errors, followed by a table of every request with method, status, URL, content type, size and time. Failed requests are shown in red and the five slowest requests in bold. The HTML file works offline and can be attached to a bug report.

How do I convert HAR to HTML report?

Upload your HAR file above, click Convert, and download the HTML report result instantly. No account or software needed.

Is converting HAR to HTML report free?

Yes. It is free and unlimited for files up to 5 MB, with no account required. Larger files get 3 free conversions per day; beyond that, credit packs start at $3 and credits never expire.

Are my files stored or shared?

No. Files are processed in server memory and deleted immediately after conversion. File contents are never written to disk or retained.

Do I need to install anything?

No software installation needed. OmniConvert runs in the browser — just upload, convert, and download.

OmniConvert

Convert HAR to HTML Report

Free

Turn a HAR network log into a readable HTML report: totals, errors and the slowest requests

Drop a file or click to browse

Accepted: .har

or paste below

Free and unlimited for files up to 5 MB. No account needed.

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Convert /etc/hosts to JSON— Convert an /etc/hosts file to a JSON object mapping IPs to hostname arrays
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Convert DNS zone file to JSON— Parse a BIND-style DNS zone file into structured JSON records
Convert nginx.conf to JSON— Parse nginx configuration directives and blocks into JSON
Convert HAR to Postman Collection— Turn the requests in a HAR network log into a Postman collection (v2.1) you can import and replay

About this conversion

Turn a HAR network log into a readable HTML report: totals, errors and the slowest requests. This converter processes your HAR file server-side and returns a HTML report file instantly — no account, no software installation, and no file storage. Files are deleted from our servers immediately after conversion.

Learn more: HAR file format explained

How to convert HAR to HTML report

1. Upload — drag your HAR file onto the converter above, or click to browse.
2. Convert — press Convert. Processing happens on secure servers in seconds.
3. Download — your HTML report file downloads automatically. No sign-up required.

Convert HAR to HTML report from the command line

curl --fail-with-body \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -F "file=@input.har" \
  -F "conversionId=har-to-html" \
  https://www.omniconvert.cloud/api/convert -o output.html

The API needs a token from a credit pack, and each API conversion uses one credit. Converting on this page stays free. API documentation

Frequently Asked Questions

How do I export a HAR file from my browser?: Open DevTools (F12) and go to the Network tab, then reload the page so the requests are recorded. In Chrome and Edge, click the download arrow ("Export HAR") or right-click a request and choose "Save all as HAR with content". In Firefox, right-click a request and choose "Save All As HAR". In Safari, use the Export button in the Network tab.
What does the report show?: The number of requests, total transferred size and request time, and the number of errors, followed by a table of every request with method, status, URL, content type, size and time. Failed requests are shown in red and the five slowest requests in bold. The HTML file works offline and can be attached to a bug report.
How do I convert HAR to HTML report?: Upload your HAR file above, click Convert, and download the HTML report result instantly. No account or software needed.
Is converting HAR to HTML report free?: Yes. It is free and unlimited for files up to 5 MB, with no account required. Larger files get 3 free conversions per day; beyond that, credit packs start at $3 and credits never expire.
Are my files stored or shared?: No. Files are processed in server memory and deleted immediately after conversion. File contents are never written to disk or retained.
Do I need to install anything?: No software installation needed. OmniConvert runs in the browser — just upload, convert, and download.

No account needed · Credits never expire · Share your token link across devices