[genome-announce] Hub Space: Host Your Track Hubs Directly on the Genome Browser

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Jairo Navarro Gonzalez

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Feb 3, 2026, 8:49:31 PM (3 days ago) Feb 3
to genome-...@soe.ucsc.edu
Hello everyone,

We are excited to introduce Hub Space, a new hosting service that enables users to upload and visualize track hub files directly on the UCSC Genome Browser without relying on third-party hosting services such as Dropbox, Google Drive, or AWS.

Hub Space Features:
Each account is allocated 10 GB of storage space. While we strive to maintain uninterrupted access, please maintain your own backups. Data persistence over the long term is not guaranteed. To request additional storage space, please contact us.

How to Use Hub Space:
There are two primary ways to upload your files:

  1. Single file upload: Upload individual binary-indexed files (bigBed, bigWig, BAM, VCF, and other supported formats) for immediate visualization.
  2. Complete hub upload: Upload the entire track hub, along with all supporting files (hub.txt, bigWig, bigBed, etc.), to visualize the hub.

If a hub.txt file is not provided when uploading data files, one is automatically generated. The generated hub.txt file is configured with the useOneFile trackDb setting, and as a result, each hub is limited to a single genome assembly. Editing the generated hub.txt file directly on the UCSC Genome Browser is not yet supported. To customize the hub configuration or data display, replace the generated hub.txt file with your own.

To get started with Hub Space, visit the Track Data Hubs page and click on the "Hub Space" tab. We would love to hear your feedback on this new feature. Please contact us and let us know what you think!

We would like to thank Chris Lee and Jairo Navarro Gonzalez for releasing this feature.

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