certifi

Python package for providing Mozilla's CA Bundle.

certifi has been downloaded 30,756,517,931 times in total on PyPI, including 1,662,130,398 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
30.76G
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 / 74 series
Selected total8.87G
30.8GAll-time
1.7GLast 30 days
60.2MLast 24 h
654.74/sPer second

Version distribution

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

  • 01

    2026.2.25

    1.5G downloads
    33.4%
  • 02

    2026.4.22

    1.2G downloads
    26.6%
  • 03

    2026.5.20

    1.1G downloads
    23.2%
  • 04

    2026.1.4

    118.2M downloads
    2.6%
  • 05

    2025.7.14

    78.0M downloads
    1.7%
  • 06

    2025.11.12

    68.0M downloads
    1.5%
  • 07

    2025.1.31

    66.7M downloads
    1.5%
  • 08

    2025.4.26

    55.4M downloads
    1.2%
  • 09

    Other

    375.3M downloads
    8.3%

Guess the next day

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

TRUTH60.2M64.7MSATSUNMONTUEWEDTHUFRISATSUNMONTUEWEDTHU