PASELLY is a Japanese business productivity service that helps small businesses and freelancers manage customer relationships, sales opportunities, and business documents in one place. Its core features are free to use and include tools for creating estimates, invoices, delivery notes, purchase orders, and receipts. Users can convert one document type into another, combine documents into a single PDF, and send paperwork by email or payment link. A postal service is also available for printing and mailing documents.

The platform supports customer and product records, inquiry forms, sales conversations, and visual pipelines for tracking deals and progress. Reports help users review sales by product, customer, or staff member. Documents can be prepared in four languages and six currencies, supporting international transactions. PASELLY also offers templates for business travel policies, smartphone and PC apps, and features such as document-open notifications. Security options include passkey login, two-factor authentication, and encrypted connections. Paid plans or services incur charges when users choose to sign up for them.