Article · Wikipedia archive · Last revised Jun 25, 2026

HAR (file format)

The HTTP Archive format, or HAR, is a JSON-formatted archive file format for logging of a web browser's interaction with a site. The common extension for these files is .har. The format is used, among other tools, by the HTTP Archive project to collect and analyze web performance data.

Last revised
Jun 25, 2026
Read time
≈ 1 min
Length
103 w
Citations
Source

The HTTP Archive format, or HAR, is a JSON-formatted archive file format for logging of a web browser's interaction with a site. The common extension for these files is .har. The format is used, among other tools, by the HTTP Archive project to collect and analyze web performance data.

Support

The HAR format is supported by various software, including:

See also

See also

References

References

External links