Colbo

Net-to-gross income calculator for Dutch freelancers in 2026

Colbo is een gratis online tool voor Nederlandse ZZP'ers om hun netto inkomen te berekenen op basis van de belastingregels van 2026. De berekening draait lokaal in de browser, er is geen account nodig en er worden geen gegevens opgeslagen. Naast de calculator biedt de site een kennisbank met artikelen over belasting, aftrekposten, pensioen, AOV, mobiliteit en bedrijfsvoering. De site bevat ook verwijzingen naar externe diensten zoals zakelijke lease, brandstofpassen en AOV-verzekeringen.

12 alternatives to Colbo

Ranked by how well each tool replaces Colbo: shared features, audience, price and popularity.

Sinao
Simplify your daily accounting & invoicing and manage your business with ease.
Covers 1 of 15 key features.
Free planApi access
78 out of 100 match$12/mo
e-Boekhouden.nl
Bookkeeping and invoicing made simple, in Dutch.
Covers 4 of 15 key features.
Free planReportingTemplatesSearchData exports
60 out of 100 matchFree
Jortt
Online accounting software for Dutch sole traders and small businesses.
Covers 0 of 15 key features.
Free plan
57 out of 100 match$21.95/mo
GetMyInvoices
Automated invoice management – all invoices automatically collected and seamlessly exporte
Covers 4 of 15 key features.
Free planApi accessDocumentationData exportsSearch
55 out of 100 matchFree
Cuéntica
Online accounting software for freelancers and small businesses.
Covers 3 of 15 key features.
Free planReportingAnalyticsData exports
53 out of 100 matchContact sales
Dinero
Accounting software for sole traders and small businesses.
Covers 2 of 15 key features.
Free planReportingData exports
53 out of 100 matchFree
FastBill
Cloud invoicing and accounting software for German freelancers and small businesses.
Covers 4 of 15 key features.
TemplatesReportingData exportsSearch
52 out of 100 matchContact sales
Bench
Online bookkeeping service pairing a dedicated bookkeeper with software for U.S. small and
Covers 1 of 15 key features.
Data exports
52 out of 100 match$199/mo
Buhl Software
German software for tax returns, personal finance, and accounting.
Covers 5 of 15 key features.
Free planTemplatesReportingSearchData exports
52 out of 100 matchContact sales
Taxfix
Tax app for filing German tax returns
Covers 5 of 15 key features.
Free planTemplatesReportingDocumentationFree tier
52 out of 100 matchContact sales
SteuerGo
Electronic tax return submission service for German taxpayers.
Covers 4 of 15 key features.
Free planMobile apps ios androidWeb appData exportsTemplates
52 out of 100 matchContact sales
sevdesk
Cloud-based accounting software for freelancers and small business owners.
Covers 4 of 15 key features.
Free planTemplatesReportingData exportsSearch
52 out of 100 matchFree