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Business tools

Documents and calculations for companies and sole proprietors. Details are filled in by INN and BIC, and the file is ready in a minute. Free, with no registration and no advertising.

  • Free of charge
  • No registration
  • No advertising

Documents

Invoice with a QR code

A PDF in a minute: details by INN and BIC, a payment QR code, the amount in words.

QR code for payment by bank details

An image with a QR code to GOST: the payer scans it in their banking app.

Invoice-contract

An invoice with the terms of the deal: payment means agreement, and no separate contract is needed.

Commercial proposal

A letter with a price table, payment and delivery terms and a validity date.

Request for a commercial proposal

A letter to a supplier: what is needed, in what quantity, when and where.

Company details card

Company details on a single sheet — by INN and BIC.

Payment order

Form 0401060 for paying a counterparty, with details by INN and BIC.

Shipment and closing the deal

Claims and letters

Calculators

Checks

Partner tools

A few more free tools on the website of our partner, Omegakontur. They work right in the browser: photos and texts are not sent anywhere.

Resize photos (opens in a new tab, omegakontur.ru)

Shrink product photos for a catalogue or an email: up to 24 files at once, JPG, PNG, WebP and ICO, downloaded as an archive.

Text comparison (opens in a new tab, omegakontur.ru)

Find the differences between two versions of a contract, specification or letter — by characters, words or lines.

Password generator (opens in a new tab, omegakontur.ru)

Strong password for an employee account: length, character sets, and strength rating.

Frequently asked questions

Need order in your sales rather than one-off documents?

In Kup2B a supplier has its own catalogue and its own price for each counterparty. The buyer places the order themselves, and an invoice with a QR code is generated from the order.

How it works

B2B marketplace: supplier catalogues with a personal price for every counterparty.

PlaceGlossaryArticlesSolutionsIndustriesVideo instructions for sellersVideo instructions for buyersBoxed version

Tools

Invoice with a QR codeQR code for payment by bank detailsCommercial proposalUPDReconciliation statementPenalty and interest calculatorVAT calculatorAmount in wordsProduction calendarBank of Russia exchange ratesAll tools

Contacts

hello@kup2b.ru

Sole proprietor Yu. V. Konovalova INN 590402889790

VKHelpContacts and details

© 2026 Kup2B

Development — Omegakontur

For legal entities and sole proprietors only