Eighteen free tools for the decisions that are easy to get wrong: what to charge, what content earns, whether a campaign pays, and when to meet a client on the other side of the world. Everything runs in your browser — no signup, and nothing you type is saved or sent anywhere.
Freelancing and rates
Pricing your time, invoicing for it, and finding out what actually reaches your account.
Freelancing
Freelance Rate Calculator
Work backwards from the income you want to the hourly rate you need to charge.
Freelancing
Hourly to Salary Calculator
Convert an hourly rate to annual, monthly and weekly income using real working weeks.
Freelancing
Invoice Generator
Build and print a professional invoice with unlimited line items and tax.
Freelancing
Time Zone Meeting Planner
Find the hour that works across every client location, on a visual grid.
Business and advertising
Margins, break-even points, and whether your ad spend is actually profitable.
Business
Profit Margin Calculator
Margin, markup and profit from cost and price, plus the price for a target margin.
Business
Break-Even Calculator
Units and revenue needed to cover fixed costs, with your margin of safety.
Advertising
Ad Metrics Calculator
CPM, CPC, CTR, CPA and conversion rate from one set of campaign figures.
Content and creators
What audiences are worth across blogs, video, email and social.
Blogging
Blog Revenue Forecaster
What a blog earns across ads, affiliate commissions and your own products.
Creators
Engagement Rate Calculator
Social engagement by followers and by reach, against typical benchmarks.
Email List Revenue Calculator
What a list earns per campaign and what each subscriber is worth.
Growth
Traffic Growth Projection
Where steady monthly growth takes you, and how long it takes to double.
Apps, SEO and writing
Mobile revenue, search snippets, campaign tracking and word counts.
Writing
Word Counter & Reading Time
Words, characters, sentences and paragraphs with reading and speaking time.
Every tool gives an estimate to work from, not a guarantee. Treat the output as a starting point for your own numbers.