BiblioTecla is an online bookshop offering books and related cultural material across a broad range of subjects and languages. Its catalogue includes fiction and nonfiction, with sections for history and biographies, philosophy, psychology, politics and sociology, science, and other topics. Shoppers can also browse art and culture items such as posters and albums, cinema-related titles, and books grouped by language, including English, French, Russian and bilingual works, as well as Spanish and general linguistics. A dedicated section highlights Russian themes and authors.

The site presents featured and recently added products with listed prices and an online shopping cart for placing orders. Customers can create an account, log in, save items to a wish list, and proceed through checkout. BiblioTecla provides information about delivery and privacy, along with customer-service and contact pages. The shop interface offers Spanish and English language options and displays prices in euros, pounds sterling and US dollars. Additional site sections include gift certificates, affiliate information and special offers.