BUSINESS 01 / 11
MRR to ARR Calculator
Converts monthly recurring revenue into annual recurring revenue, and shows the effect of churn on the annualized number.
FREE OPERATOR SUITE 11 CLIENT-SIDE TOOLS 100% PRIVATE • NO SIGNUP
Helpful Operator Tools & Calculators
A dedicated collection of client-side utilities engineered for SaaS founders, bootstrappers, solo operators, and freelancers. Every tool runs 100% in your browser without telemetry, tracking, or account paywalls.
BUSINESS 02 / 11
Startup Runway Calculator
Calculates how many months of cash a startup has left based on current balance, monthly burn, and expected revenue growth.
BUSINESS 03 / 11
Freelance Rate Calculator
Converts a target annual income into an hourly or project rate, accounting for unbillable time and overhead costs.
BUSINESS 04 / 11
Startup Name Generator
Generates startup name ideas by combining a user's keyword with common prefixes, suffixes, and word patterns, then links out to check domain availability.
BUSINESS 05 / 11
Word Counter and Readability Checker
Counts words, characters, and estimated reading time from pasted text, and scores the text's readability.
BUSINESS 06 / 11
Meta Tag and Open Graph Preview Generator
Lets a user enter a title, description, and image URL, then shows a live preview of how the page will appear in Google search results, on Twitter and X, and on Facebook and LinkedIn.
BUSINESS 07 / 11
Email Subject Line Preview and Length Checker
Shows how an email subject line will display and truncate across desktop Gmail, mobile Gmail, and Outlook, with a live character count.
DEVELOPER 08 / 11
CSS Gradient and Box Shadow Generator
A visual editor for building CSS linear gradients and box shadows, with the generated CSS code shown live and ready to copy.
DEVELOPER 09 / 11
JSON Formatter and Validator
Formats and validates raw JSON, pretty printing it with proper indentation and highlighting syntax errors with a line reference.
BUSINESS 10 / 11
Free Invoice Generator
A form based invoice builder that renders a clean, printable invoice, ready to save as a PDF using the browser print function.
BUSINESS 11 / 11
Startup Equity Split Calculator
Suggests an equity split among co-founders based on weighted contributions such as idea, capital, time commitment, and existing assets brought to the company.