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Free Tools for Accountants 2026: Bank CSV, Data & Math
Accountants deal with a daily flood of statements, exports, and math — and the software bills add up fast. These free tools for accountants handle the grunt work with no signup and no budget: statement conversion, data formats, and money math in your browser.
The accountant stack
| Task | Free tool | Why it wins |
|---|---|---|
| Bank statements | BankToCSV | Statement PDF → CSV for QuickBooks/Xero |
| CSV data | CSV ⇄ JSON | Move data between spreadsheets and systems |
| YAML configs | YAML ⇄ JSON | Convert config and export formats |
| Tax math | Sales Tax Calculator | Add/remove tax at any rate |
| Percentages | Percentage Calculator | Margins, changes, and allocations |
| Discounts | Discount Calculator | Promo and sale pricing checks |
| Date math | Date Difference | Invoice aging and periods |
| PDFs | PDF Merger + Compressor | Combine and shrink client documents |
Why browser-based accountant tools
- No per-seat fees — the whole practice uses them free
- Private — client financials stay in your browser
- Instant — no installs, no learning curve
- Import-ready — CSV output works with QuickBooks and Xero
Workflow tips
- Convert statements monthly with BankToCSV — saves hours at tax time
- Use the Sales Tax Calculator to verify every invoice line
- Merge client documents before submission
- For billing, pair with InvoiceForge; for renewals, LicenseTracker
Build your accountant toolkit — no signup
Start with BankToCSV
Start with BankToCSV
Frequently Asked Questions
Are these accountant tools really free? Yes — the free tiers cover daily use with no watermark.
Is client data uploaded? No — everything runs in your browser, so financials stay on your device.
Does the CSV work with QuickBooks? Yes — BankToCSV output is built for QuickBooks and Xero imports.
What about paid upgrades? Pro plans start at €10/mo with lifetime deals and crypto payments available.