A free price tag is appealing for a newly self-employed professional or a small business watching its costs. But since 1 January 2026, invoices between VAT-registered Belgian businesses must be structured e-invoices: the real question is no longer "is it free?" but "does this tool make me compliant and hold up over time?".
Key takeaways
- Free invoicing software usually covers invoice creation and PDF export, but caps volume, brands your documents, and limits support.
- The decisive point in 2026: most free plans do not handle Peppol invoicing, now required between Belgian businesses.
- Evaluate a free plan against objective criteria tied to your real needs, not on the advertised price alone.
What free invoicing software actually covers
The word "free" rarely hides a complete, unlimited tool. Most free plans target light use: free invoicing software typically lets you create invoices and quotes, manage a handful of clients, and export a clean PDF. That is enough to get started, test an interface, or invoice occasionally.
The restrictions appear as activity grows. They almost always revolve around the same levers, designed to push you toward a paid tier once the tool becomes indispensable.
Where the free limits are
Before adopting a free tool, spot the limits that will weigh on your day-to-day. No single one is a deal-breaker; together they mark the threshold beyond which free no longer suffices.
| Criterion | Free plan (often) | What to check | |
|---|---|---|---|
| Volume | Cap on invoices, clients, or documents/month | Does the cap cover your real volume? | |
| Branding | Provider logo or mention on documents | Can you remove the branding? | |
| Support | Online help, no priority channel | What response time at a tax deadline? | |
| Peppol compliance | Often absent: PDF export only | Sends and receives Peppol BIS via an access point? | |
| Advanced features | Limited bank reconciliation, VAT, multi-currency | Are they necessary for your activity? | |
| Data export | Varies by provider | Can you recover your data if you leave? |
The volume cap is the most direct limit: past a certain number of invoices or clients, the tool blocks or switches to paid. The provider's branding on your documents undermines the image you present to professional clients. The lack of responsive support costs dearly the day a deadline approaches and a technical glitch stops you.
The decisive question in 2026: Peppol invoicing
This is where many free plans show their true limit. The law of 6 February 2024 (published in the Belgian Official Journal on 20 February 2024) wrote into the VAT Code the obligation, for VAT-registered Belgian businesses, to issue structured e-invoices in their B2B exchanges, taking effect on 1 January 2026. The default format is Peppol BIS (UBL), sent over the Peppol network.
But producing a PDF costs a provider little; connecting to the Peppol network through an access point is a recurring cost, rarely absorbed by a free plan. Many free tools therefore stop at the PDF, which is no longer enough for your business-to-business exchanges.
The underlying technical standard, EN 16931, stems from Directive 2014/55/EU of 16 April 2014, which first required EU public bodies to receive and process structured e-invoices. Peppol BIS (UBL 2.1) is one implementation of it. A PDF, even emailed, falls outside this framework.
Evaluating a free plan against your real needs
The right method is not to compare brands or rankings, but to start from your needs and test them against each plan's limits. A free tool that covers exactly your use is a sound choice; the same tool becomes a trap as soon as a function you rely on daily is capped or missing.
Questions to ask before adopting a free tool
Monthly volume
How many invoices and clients per month, and does the free cap suffice?
B2B Peppol compliance
Does the tool send and receive Peppol BIS via an access point?
Professional image
Do your documents carry the provider's branding?
Bank reconciliation and VAT
Are these features available or reserved for paid plans?
Support
Which channel and what response time if you are blocked at a deadline?
Reversibility
Can you export your invoices and data if you switch tools?
The real calculation is not the advertised price but the total cost: time spent working around limits, compliance risk, and a future migration if the tool does not keep up with your needs. A well-chosen free plan saves you time; a poorly chosen one bills it back to you another way.
Peppol-compliant invoicing, with no surprises
YouInv generates, sends, and receives your Peppol BIS invoices, compliant with EN 16931. Try it free and judge for yourself.
Further reading
- How to choose e-invoicing software
- Belgian accounting software: the criteria for choosing well
- Peppol in Belgium: what the 2026 mandate says
- Official source: eInvoicing in Belgium (European Commission)
Is free invoicing software enough in Belgium in 2026?
It depends on your activity. Since 1 January 2026, invoices between VAT-registered Belgian businesses must be structured e-invoices, sent by default in the Peppol BIS format over the Peppol network. A free tool that only produces PDFs does not make you compliant for B2B exchanges. If it connects to a Peppol access point and issues valid Peppol BIS, it can suit low-volume use.
What does free invoicing software usually cover?
Most free plans cover creating invoices and quotes, a limited number of clients or documents per month, and PDF export. Common limits are a volume cap, the provider's branding on your documents, no priority support, and advanced features (bank reconciliation, multi-currency, detailed VAT handling) reserved for paid tiers.
Do free invoicing tools handle Peppol?
Often not. Producing a PDF is cheap and simple; connecting to the Peppol network through an access point is a recurring cost for the provider, rarely absorbed by a free plan. Before you choose, ask for concrete proof: a test send in the Peppol BIS format to an access point, with an acknowledgement of receipt, rather than a mere 'Peppol-compatible' label.
What is the difference between a PDF invoice and a structured e-invoice?
A PDF is an image a human can read but the recipient's software cannot process automatically. A legal e-invoice is a structured file (UBL) that software reads, validates, and integrates without re-keying. Since 2026, it is this structured format, not the PDF, that is required for B2B exchanges between Belgian businesses.
How do I evaluate a free plan against my real needs?
Start from your needs: monthly invoice volume, Peppol compliance required for B2B, bank reconciliation, Belgian VAT handling, and the level of support you expect. Test each need against the free plan's stated limits. If a function you rely on daily is capped or missing, the hidden cost (time, manual workarounds, compliance risk) soon outweighs the saving.
