Audit your Time and maximize your Results
Stop doing manual calculations. Log your hours, calculate your net income as a freelancer, detect payroll surcharges, and analyze your study performance in seconds.
TimeMaster Pro
How does the intelligence engine work?
We have reduced friction to a minimum so you spend less time logging and more time producing.
Log or Import
Add your start and end intervals manually, paste a free-text list, or drag and drop an Excel file for bulk uploading.
Magic Processing
The system instantly calculates KPIs, time distributions, detects overlaps, and splits your workdays according to your configured rules.
Audit & Export
Get your earnings report (Freelance), surcharges (Employee), or performance (Student) and export it to PDF, Excel, or CSV with one click.
One tool, three professional profiles
Designed to adapt to the exact way you value and monetize your daily effort.
Integrated Freelancer Mode
Enter your hourly rate and let the tool automatically deduct platform commissions and tax withholdings to give you your true net profit.
Payroll & Surcharge Calculation
Forget about checking minute by minute. The algorithm automatically detects how many of your hours apply for night surcharges or Sunday work.
Performance Analysis (Students)
Tag your sessions by subject and immediately discover the dedication percentage and ranking of the subjects where you invest the most effort.
Extreme Privacy (Local Data)
Your finances and schedules belong to you. All mathematical and graphical processing happens on the client side (your browser), with no external databases.
Frequently Asked Questions
Security & Data Retention
Tool Usage
TimeMaster Pro is provided without express warranties. Users retain 100% ownership of any metrics or statistics calculated in this workspace.
Retention Policy
All information persists exclusively in the user’s local browser. Clearing the cache or website data will permanently delete stored projects.
Financial Accuracy
Projected calculations on net earnings and taxes are mathematical estimates. We always recommend validating the results with local legislation and accountants.
How to calculate your effective freelance hourly rate
A freelancer can charge a seemingly attractive project fee and still earn less than expected after revisions, administration, marketing and unpaid communication are counted. To understand your work, record more than the hours spent delivering the final product. Include research, client calls, travel where relevant, invoicing and rework. TimeMaster Pro helps organize time and earnings so you can examine how your schedule relates to revenue; the meaning of the results depends on the assumptions and figures you enter.
Start with billable and non-billable time
Suppose a project pays 600 currency units. You spend 12 hours producing the deliverable, three hours on meetings and another five on changes, quotes and administration. Your effective rate is 600 divided by 20 hours, or 30 units per hour, before taxes and expenses. Looking only at production time would suggest 50 per hour. Neither figure is necessarily a suitable market price, but distinguishing them makes the cost of doing business visible.
Use time records to compare your actual projects
- Define activities consistently: keep categories such as production, communication and revisions stable across projects.
- Account for unpaid effort: proposals, client acquisition and administrative work affect your effective return.
- Compare similar work: a short urgent project and a long predictable assignment may have different overhead.
- Review assumptions: do not mix gross revenue, take-home income and invoiced amounts.
- Maintain source records: where time records support payroll or billing, preserve the original evidence.
Why an overtime or payroll estimate needs checking
Payroll rules depend on jurisdiction, employment arrangement, date, working schedule, applicable agreements and the classification of the hours. A calculator can help organize values, but an automatic number should not be treated as definitive evidence of wages owed. Confirm the legal basis, rate and relevant local conditions before using an estimate for payroll, a labor claim or a formal payment.
Student or personal productivity use
If you are using the tool to understand study habits instead of billing clients, replace revenue with a suitable measure of completed work. Look for recurring patterns rather than interpreting every high-hour day as progress. Long sessions can involve low concentration, and a small number of focused sessions can be productive. Time logs describe activity; they do not directly measure learning quality.
Limitations: a time and income estimate is not accounting, tax or legal advice. Preserve your records and validate important figures. See the other browser tools for spreadsheets, documents and workflow analysis, or open the Spanish version of TimeMaster Pro.