sbmlutils is a collection of python utilities for working with SBML models implemented on top of libsbml and other libraries with source code available from https://github.com/matthiaskoenig/sbmlutils Features include among othershelper functions for model creation, manipulation, and annotationHTML reports of SBML models at https://sbml4humans.deinterpolation functions to add experimental data to modelsfile converters (XPP) The documentation is available on https://sbmlutils.readthedocs.io If you have any questions or issues please open an issue FundingMatthias König is supported by the Federal Ministry of Education and Research (BMBF, Germany) within the research network Systems Medicine of the Liver (LiSyM, grant number 031L0054) and by the German Research Foundation (DFG) within the Research Unit Programme FOR 5151 QuaLiPerF (Quantifying Liver Perfusion-Function Relationship in Complex Resection - A Systems Medicine Approach)" by grant number 436883643. SBML4Humans was funded as part of Google Summer of Code 2021. Matthias König has received funds from the EOSCsecretariat.eu which has received funding from the European Union's Horizon Programme call H2020-INFRAEOSC-05-2018-2019, grant Agreement number 831644.