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Biblio logo: Used, Rare and Collectible Books for Sale

What is an upload filter?

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In reference to your inventory uploads, an upload filter is a custom tool which we build for each bookseller.  It translates uploads containing your listing information for our system.  We can build custom upload filters for a wide range of upload formats.  You can find out more about accepted upload formats here.  If you have any questions about your upload format or filter, please contact

I was delighted with my order and your service. The book arrived in time for the occasion that I needed it for. I was thrilled to be able to find an out-of-print copy.

Margaret, PA