certifi

Python package for providing Mozilla's CA Bundle.

certifi has been downloaded 35,788,684,882 times in total on PyPI, including 1,628,855,009 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
35.79G
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 total10.35G
35.8GAll-time
1.6GLast 30 days
40.7MLast 24 h
472.45/sPer second

Version distribution

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

  • 01

    2026.7.22

    2.2G downloads
    41.5%
  • 02

    2026.6.17

    1.7G downloads
    32.6%
  • 03

    2026.5.20

    454.0M downloads
    8.7%
  • 04

    2026.2.25

    199.3M downloads
    3.8%
  • 05

    2026.4.22

    102.7M downloads
    2.0%
  • 06

    2026.1.4

    96.6M downloads
    1.8%
  • 07

    2025.1.31

    65.5M downloads
    1.3%
  • 08

    2025.11.12

    63.1M downloads
    1.2%
  • 09

    Other

    367.6M downloads
    7.0%

Guess the next day

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

TRUTH40.7M30.7MTUEWEDTHUFRISATSUNMONTUEWEDTHUFRISATSUN