Built by Plutio
Why use these tools?
These are not generic calculators pulled from a template library. Every tool is built with the same logic that powers Plutio's full business management platform, used by thousands of freelancers worldwide.
Professional-grade calculations
The Tax Calculator uses actual US self-employment tax formulas, including the 15.3% SE tax, federal income brackets, and standard deduction calculations. The Rate Calculator factors in your annual expenses, desired profit margin, vacation days, and realistic billable hours to give you a rate that actually works, not a number pulled from thin air.
Zero friction, zero signup
No popups asking for your email. No "free trial" that expires in 14 days. No credit card required. Just open the tool and use it. When you are done, close the tab. If you want to save your work, the Invoice Generator stores your draft locally in your browser.
100% private by design
Everything runs client-side in your browser. Your invoice details, tax estimates, and rate calculations never leave your device. We do not collect, store, or have access to any data you enter. When you close the tab, the only record is what you downloaded.
How these tools work
1. Open the tool. No signup, no login, no waiting. The tool loads instantly in your browser.
2. Enter your information. Each tool has a simple form with clear labels. Most fields are optional, so you can get a quick estimate or fill in every detail.
3. Get your result. Calculations happen in real time as you type. The Invoice Generator shows a live preview. The Tax Calculator updates your estimated bill. The Rate Calculator shows your hourly, daily, and project rates.
4. Download or save. Export your invoice as a PDF. Copy your rate calculations. Your data stays in your browser until you choose to download it.
Who these tools are for
These tools are designed for people who need quick answers without committing to another software subscription:
- Freelancers starting out who need to send their first invoice but do not want to sign up for invoicing software yet.
- Independent consultants who want to estimate quarterly taxes before meeting with their accountant.
- Side hustlers who need to calculate what to charge for a one-off project without overthinking it.
- Small agency owners who want a clean, professional invoice template for occasional use outside their main system.
- Anyone tired of gated calculators that demand your email before showing you the result.
If you need these tools connected to projects, proposals, contracts, and time tracking, Plutio's full platform offers integrated versions that share data automatically.
