The Olfactory Heritage Toolkit offers future-oriented recommendations and methodologies for sensory heritage policies and practices. It is an open access resource created for cultural heritage professionals and policy makers to help them recognize, document and safeguard olfactory heritage and help them to support heritage communities in this effort. The contents of the toolkit are based on the research carried out by the Odeuropa project, developed in close engagement with heritage communities and heritage institutes, and validated through discussions with heritage professionals. This toolkit includes: (1) Olfactory Heritage White Paper & Strategy for the recognition of olfactory heritage (2) Heritage Smell Library (3) References (4) Resources for the Olfactory Heritage Toolkit. The resources are added as separate publications: Bembibre, C., Leemans, I., & Elpers, S. (2024). Olfactory Heritage Toolkit Resource 1. Values of Olfactory Heritage. Zenodo. https://doi.org/10.5281/zenodo.10700320 Bembibre, C., Leemans, I., & Elpers, S. (2024). Olfactory Heritage Toolkit Resource 2. Olfactory Heritage Practices [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10700398 Leemans, I., Troncy, R., Tonelli, S., Bembibre, C., & Tullett, W. (2024). Olfactory Heritage Toolkit Resource 3. Smells with Heritage Value [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10700466 Leemans, I., Tonelli, S., Christlein, V., Troncy, R., Bembibre, C., & Tullett, W. (2024). Olfactory Heritage Toolkit Resource 4. Fragrant Places [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10700509