Digital Preservation Fees

Digital Preservation Rate
1-99 Files $20 / File*
100+ Files $10 / File
* Each tDAR file comes with 50MB of space. To upload digital resources larger than 50MB, simply purchase additional tDAR files.

Digital Preservation Fee Calculator

# of Files
Total File Size (MB)
Cost $0.00

Redeem a Coupon Code

Service Fees

Curation Services Rate
File Checking, Metadata Drafting, & Basic Quality Control $90 / Hour
Consulting, Programming, & Project Management $180 / Hour

Additional Services

Our full service digital curation covers everything necessary to migrate your paper library or born-digital files into a discoverable, accessible (with you in control of who gets access), searchable, and preserved digital archive in tDAR. Contact us for a quote.

Service packages coming soon.


Digital Antiquity is a not-for-profit center at Arizona State University. Digital preservation fees fund the long-term digital preservation of your files in tDAR; access to your public data and protection of confidential data; data security; customer service; and, advocacy and professional training for proper digital curation of all archaeological materials.

tDAR is a domain repository for archaeology. It preserves data and information about and from archaeological resources, investigations, and related topics. In tDAR data and information are curated, discoverable, accessible, and preserved for future use.  tDAR is developed and maintained by the Center for Digital Antiquity.

Learn How tDAR Works

Create & Edit Metadata

Easy to use forms to add authors, keywords, location and other archaeological information.

Agency & CRM Ready

tDAR includes support for agencies and CRM organizations to manage their archaeological and cultural resource information.

Easy Upload

Drag and drop interface for uploading and managing files.

Share & Cite

All resources in tDAR with files get a DOI for easy citation. Resources are indexed by Google and other major search engines.

Confidential & Secure

You maintain control over who has access to your materials. Files can be marked as embargoed for a short period, or confidential, allowing you to decide who has access to them.


All files in tDAR are constantly checked to ensure that they are valid. Files are migrated to preservation formats automatically to ensure long-term access.