certifi
Python package for providing Mozilla's CA Bundle.
certifi has been downloaded 36,427,085,027 times in total on PyPI, including 1,262,424,175 in the last 30 days. The latest version is 2026.5.20, released May 20, 2026. It is distributed under the MPL-2.0 license.
Version2026.5.20
Downloads
36.43G
LicenseMPL-2.0
AuthorKenneth Reitz
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal2026.*2025.*
Range
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Granularity
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CI traffic
Stack: OffCI: Included3 / 76 series
Selected total9.91G
36.4GAll-time
1.3GLast 30 days
48.5MLast 24 h
489.71/sPer second
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Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0153.0%
2026.7.22
2.6G downloadsDownloads2.6G53.0% - 0227.6%
2026.6.17
1.4G downloadsDownloads1.4G27.6% - 033.9%
2026.2.25
194.0M downloadsDownloads194.0M3.9% - 042.3%
2026.5.20
115.2M downloadsDownloads115.2M2.3% - 052.0%
2026.4.22
97.5M downloadsDownloads97.5M2.0% - 062.0%
2026.1.4
97.4M downloadsDownloads97.4M2.0% - 071.3%
2025.11.12
62.4M downloadsDownloads62.4M1.3% - 081.2%
2025.1.31
60.9M downloadsDownloads60.9M1.2% - 096.8%
Other
340.4M downloadsDownloads340.4M6.8%
Guess the next day
Thirteen recent days of certifi downloads. Drag the green handle on the right to guess where day fourteen lands.