certifi

Python package for providing Mozilla's CA Bundle.

certifi has been downloaded 34,514,103,053 times in total on PyPI, including 1,933,226,629 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
34.51G
LicenseMPL-2.0
AuthorKenneth Reitz
UpdatedMay 20, 2026

Downloads

Weekly, last 90d.
Includes CI traffic.

VersionsTotal2026.*2025.*
Range
View
Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 76 series
Selected total10.38G
34.5GAll-time
1.9GLast 30 days
75.9MLast 24 h
793.80/sPer second

Version distribution

Share of downloads by released version. Computed over the last quarter.

  • 01

    2026.6.17

    1.7G downloads
    31.2%
  • 02

    2026.5.20

    1.3G downloads
    25.0%
  • 03

    2026.7.22

    1.2G downloads
    22.3%
  • 04

    2026.4.22

    291.6M downloads
    5.5%
  • 05

    2026.2.25

    201.8M downloads
    3.8%
  • 06

    2026.1.4

    98.3M downloads
    1.9%
  • 07

    2025.1.31

    69.2M downloads
    1.3%
  • 08

    2025.11.12

    62.9M downloads
    1.2%
  • 09

    Other

    413.3M downloads
    7.8%

Guess the next day

Thirteen recent days of certifi downloads. Drag the green handle on the right to guess where day fourteen lands.

TRUTH75.9M77.7MFRISATSUNMONTUEWEDTHUFRISATSUNMONTUEWED