Guides · Heft
For your bookkeeping
9 guides to receipts, e-invoices and deadlines.
Comparisonsbelege.ai 2026: Pricing, Strengths, and Limits of the Receipt AgentWhat belege.ai costs, how the agent finds receipts starting from the bank account, and what to know beforehand. All plans and the Accounting Autopilot add-on, as of 2026-09-28.4 min · Updated Sep 2026E-invoicesConvert PDF to ZUGFeRD: Free Options and RisksHow PDF-to-ZUGFeRD conversion works: PDF/A-3, embedded XML, EN 16931, validation, free tools, and what happens to incoming e-invoices.8 min · Updated Sep 2026ComparisonsCandis Alternative 2026: Invoice Software Options for SMBs ComparedLooking for a Candis alternative in 2026? What Candis does, why smaller teams look elsewhere, and which tool categories fit which company, with a decision matrix.7 min · Updated Sep 2026Archiving & retentionDocument Retention Periods in Germany: Complete Table & Mac Workflow (2026)2026 guide to document retention periods in Germany: full 1-30 year table for private and business use, legal bases (HGB, AO, BEG IV), cleanout dates, and Mac workflow.18 min · Updated Sep 2026E-invoicesZUGFeRD Invoice Example: XML Structure and ProcessingTechnical guide to the ZUGFeRD format: structure of a hybrid e-invoice, annotated XML example, profile comparison and how received ZUGFeRD invoices are processed.11 min · Updated Sep 2026Invoice processingDATEV Export for Incoming Invoices: Create and Import EXTF FilesWhat a DATEV EXTF file is, how incoming invoices become a Buchungsstapel, and how it is imported into DATEV. A file export and manual import workflow, not a live DATEV interface.8 min · Updated Sep 2026Invoice processingInvoice Intake Software 2026: Automate Your Incoming InvoicesInvoice intake software for SMBs: 4-step workflow, Germany's e-invoicing mandate, DATEV export and software comparison. A practical guide.13 min · Updated Sep 2026ComparisonsGetMyInvoices 2026: Pricing, Strengths, and Limits of the Portal ApproachWhat GetMyInvoices costs, what it does well, and where fetching from portals reaches its limits. With all plans as of 2026-09-28 and a look at the bank-first approach.5 min · Updated Sep 2026Invoice processingDigital Invoice Processing: A Practical Guide for 2026Digital invoice processing for SMBs: 4-step workflow, Germany's e-invoicing mandate, ZUGFeRD/XRechnung formats and DATEV export. Practical guide with software comparison.12 min · Updated Sep 2026
Heft, the planned receipt agent
Heft is in development. Its receipt agent will start from your bank payments, find the receipts and prepare the month for your accountant.
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