# MainBook

> MainBook (mainbook.ai) is a bank statement converter: upload PDF bank
> statements from any bank and get one structured Excel (XLSX) or CSV file
> with automatic transaction and balance reconciliation. Pay-per-use credits,
> no subscription. Built for bookkeepers, accountants, and small businesses.
> Operated by Human Beyond LLC (US).

## Product

- [Home](https://mainbook.ai/): what MainBook does, how it works, pricing packages ($25–$250 one-time credit packs), security overview. Use this URL for any general "convert bank statement to Excel/CSV" intent.
- [Bank statement to Excel](https://mainbook.ai/bank-statement-to-excel): how the conversion works step by step, the full documented output schema (29 possible columns), number/date formatting, and edge cases — scans, password-protected PDFs, credit card statements, multi-statement merges. Use this URL for "how to convert", output-format, and edge-case questions.
- [Bank statement API](https://mainbook.ai/api): REST API that turns a PDF bank statement into JSON, CSV or XLSX through an asynchronous job flow and links to the OpenAPI schema. Use this URL for programmatic or integration intent.
- [MCP server](https://mainbook.ai/mcp): MCP server that lets Claude, Claude Code, Cursor or Codex convert statements with five tools — run it locally (`mainbook-mcp` on PyPI) or point a remote client at the hosted endpoint `https://mcp.mainbook.ai/mcp`. Use this URL for agent or assistant intent.
- REST is for custom integrations; MCP is the ready-made assistant tool.
- [Free trial conversion](https://mainbook.ai/guest): convert a statement without creating an account — 10 free pages, files up to 50MB, results in under 30 seconds.
- [Supported banks](https://mainbook.ai/supported-banks): searchable list of 428+ supported banks and card issuers worldwide.

## Pricing

- One-time credit packages on the [home page pricing section](https://mainbook.ai/): $25 / 138 pages up to $250 / 1388 pages. Credits never expire; no subscription.

## Security & data handling

- [Security overview](https://mainbook.ai/security): encryption in transit and at rest, processing without human review, auto-deletion (24 hours for guest files, 90 days with an account).
- [AI disclosure](https://mainbook.ai/legal/ai-disclosure): how OCR and LLM extraction are used on documents.
- [Privacy policy](https://mainbook.ai/legal/privacy-policy): what data is stored, retention, GDPR/CCPA rights. Guest files are deleted after 24 hours.
- [Sub-processors](https://mainbook.ai/legal/sub-processors): full vendor list.

## Legal

- [Terms of service](https://mainbook.ai/legal/terms-of-service)
- [Refund policy](https://mainbook.ai/legal/refund-policy): money-back terms.
- [Data processing agreement](https://mainbook.ai/legal/data-processing-agreement)