Use free calculators, converters, and generators. All tools process data locally in your browser.
Choose a workflow to find tools for your task.
Pick a goal to filter the tools. All tools stay in your browser.
I need to inspect, fix, or convert data fast
Format, decode, and convert data. JSON, XML, YAML, CSV, encoders, and unit converters.
I need to validate and test before shipping
Check code, APIs, regex, and specs. Find issues before your users do.
I need to design a UI that looks pro
Build palettes, shadows, and gradients. Ship a clean interface.
I need to send money or run a business
Price your work and plan your money. Invoices, pricing, taxes, loans, and unit economics.
I need to get hired — or hire well
Tune your resume, plan interviews, grade job briefs, and run hiring loops.
I need answers fast
Get quick answers. Split bills, plan sleep, pace learning, and count time and money.
I need to generate content, docs, and boilerplate
Create README files, robots.txt, social images, QR codes, invoices, and styled text.
I need to lead my engineering team
Track delivery, plan architecture, and run healthy team rituals.
Evaluate engineering metrics, plan architecture, and manage development teams.
Validate startup ideas, plan product roadmaps, and calculate pricing.
Format code, generate test data, and prepare for technical interviews.
Parse, decode, and convert data formats. All tools process data in your browser.
Generate color palettes, box shadows, gradients, and CSS style rules.
Calculate customer acquisition cost, runway, growth rates, and recurring revenue.
Compare job offers, calculate notice periods, and evaluate salary packages.
Generate Docker configurations, Nginx server rules, and test API endpoints.
Calculate loan payments, investment returns, and income tax estimations.
Get quick answers about time, sleep, meetings, and money decisions.
Create invoices, QR codes, social cards, and styled text in seconds.
Run interviews, source candidates, and open team sessions well.