ujson
Ultra fast JSON encoder and decoder for Python
ujson has been downloaded 1,364,179,720 times in total on PyPI, including 30,096,527 in the last 30 days. The latest version is 6.1.0, released Nov 3, 2026. It is distributed under the BSD-3-Clause AND TCL license.
Version6.1.0
Downloads
1.36G
LicenseBSD-3-Clause AND TCL
AuthorJonas Tarnstrom
Downloads
Weekly, last 90d.
Includes CI traffic.
VersionsTotal6.*5.*
Range
View
Granularity
Group by
CI traffic
Stack: OffCI: Included3 / 45 series
Selected total176.54M
1.4GAll-time
30.1MLast 30 days
505.4kLast 24 h
12.07/sPer second
Sponsored
Sponsorships keep pepy free to read
Version distribution
Share of downloads by released version. Computed over the last quarter.
- 0135.4%
5.13.0
31.7M downloadsDownloads31.7M35.4% - 0219.6%
6.0.0
17.6M downloadsDownloads17.6M19.6% - 0317.3%
5.11.0
15.5M downloadsDownloads15.5M17.3% - 046.3%
5.12.1
5.6M downloadsDownloads5.6M6.3% - 054.6%
5.12.0
4.1M downloadsDownloads4.1M4.6% - 064.4%
5.10.0
3.9M downloadsDownloads3.9M4.4% - 072.6%
5.5.0
2.3M downloadsDownloads2.3M2.6% - 082.2%
1.35
2.0M downloadsDownloads2.0M2.2% - 097.6%
Other
6.9M downloadsDownloads6.9M7.6%
Guess the next day
Thirteen recent days of ujson downloads. Drag the green handle on the right to guess where day fourteen lands.