FreelancerOS puts your time tracker, invoices, and client notes in a single browser popup. One click to start. One click to invoice.
The problem
Toggl for time. FreshBooks for invoices. Notion for notes. Calendly for scheduling. Every tab switch kills your focus and your margins.
You didn't start freelancing to manage software subscriptions.
What's inside
Built for the way freelancers actually work — in the browser, all day.
Start tracking with one click. Pomodoro mode built in. Timer keeps running even when the popup is closed. Badge shows elapsed time on your toolbar icon.
Select a client, choose a date range, click generate. Your invoice is built from your logged time entries automatically — ready to send in under 60 seconds.
Store client names, rates, and project details. Every time entry links to a project. See exactly how much each client owes you at a glance.
Filter by project, date, or client. See today's hours, this week's total, and your unbilled balance — updated live as you work.
All data stays in your browser. No account required. No servers. No subscription needed to unlock core features. Your data belongs to you.
Export your time data as JSON anytime. Invoice exports as a clean HTML file you can print to PDF or email directly to clients.
How it works
Add FreelancerOS to Chrome. No account. No signup. Takes 20 seconds. Click the icon to open your popup dashboard.
Set up a client name, their hourly rate, and any active projects in Settings. Takes 2 minutes. You'll never re-enter it again.
Hit Start when you begin work. When it's time to invoice, select your client and date range — your invoice is built automatically from your logged entries.
Pricing
Start free. Upgrade when you're ready.
Everything you need to get started.
For serious freelancers who bill full-time.
Reviews
"I cancelled Toggl and FreshBooks the same week I installed this. Does everything I need and it's right there in my toolbar."
"The invoice generation is stupid fast. I used to dread billing day. Now it takes me 3 minutes total for all my clients."
"That it's all local is the killer feature for me. My client data isn't sitting on some startup's server that might go bust next year."
FAQ
Join thousands of freelancers who stopped overpaying for tools they only half use.
⬇ Add FreelancerOS to Chrome — FreeNo account. No credit card. Works in 20 seconds.