Free · Private · No signup

Stop undercharging.
Get paid properly.

Most freelancers pick a rate based on what they want to earn, then forget taxes, time off, expenses and all the hours that aren’t billable. These tools force the honest numbers — and help you invoice without handing your data to another SaaS.

Smart Rate Calculator

See the real hourly, daily and weekly rate you need after taxes, expenses, time off and non-billable hours. Formula is shown live.

Invoice Generator

Create a clean PDF invoice in seconds. Everything stays in your browser. No account required.

Late Interest Calculator

Quickly work out interest on an overdue invoice when a client is late.

Why this exists

Built by a student who got tired of seeing freelancers undercharge and then struggle to get paid. The goal is simple: honest rate math and usable invoices without signups, tracking, or another subscription.

Everything runs on your device. No accounts. No email capture. No hidden upsells on the free tools.

Free forever for the core tools · Data stays on your device

AetherForge Toolkit

Smart Rate Calculator

Find the real rate you need after taxes, expenses, time off and non-billable hours.

Recommended Hourly Rate
$122
Day rate: $978 · Weekly: $3,050

Most freelancers only think about the salary they want and forget taxes, non-billable time and expenses. This forces the honest number. Adjust the inputs to match your situation. This is a planning tool, not tax advice.

Invoice Generator

Create a clean PDF invoice in seconds. Everything stays in your browser — nothing is uploaded.

Your details
Client & Invoice
Line items
Subtotal: 0.00
Tax: 0.00
Total: 0.00

PDF is generated entirely in your browser — nothing is uploaded. Use “Save my details” to remember your business info on this device for next time.

Late Payment Interest

Quickly calculate interest owed on overdue invoices.

Interest Owed
$0.00
Total now due: $0.00 · 0 days overdue
Enter both dates to calculate.

Many places allow statutory interest on late commercial payments (often base rate + 8%). Always check the rules that apply to your contract and location. This is a simple calculator only.